{"title":"All Gemstones","description":null,"products":[{"product_id":"1-71-ct-paraiba-type-tourmaline-gia-certified","title":"1.71 ct Paraiba-Type Tourmaline, GIA Certified","description":"\u003cp\u003eA lovely green-blue tourmaline with the characteristic electric color collectors associate with Paraiba-type gems. This transparent oval stone is cut in a modified brilliant style, giving it lively face-up brilliance and a distinctive tropical blue-green appearance.\u003c\/p\u003e\n\u003cp\u003eAccompanied by GIA Tourmaline Report \u003cstrong\u003e5191602078\u003c\/strong\u003e, this loose gemstone is identified as a \u003cstrong\u003ecopper and manganese-bearing tourmaline\u003c\/strong\u003e that may be called \u003cstrong\u003e“Paraiba tourmaline”\u003c\/strong\u003e in the trade.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGemstone Details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Tourmaline\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTrade Name:\u003c\/strong\u003e Paraiba-type Tourmaline\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.71 carats\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eShape:\u003c\/strong\u003e Oval\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCut:\u003c\/strong\u003e Modified Brilliant Cut\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Green-Blue\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 8.69 × 6.16 × 4.91 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eReport:\u003c\/strong\u003e GIA Tourmaline Report 5191602078\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Africa\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA rare and desirable choice for collectors or for a custom jewelry design, this gem offers the prized Paraiba-type color appearance in an elegant oval format, with independent GIA documentation for added confidence.\u003c\/p\u003e","brand":"otzera","offers":[{"title":"Natural","offer_id":50920510488823,"sku":"4396751","price":4750.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/otzera-1-71ct-paraiba-tourmaline-face-up_2aaaa50d-cd2a-42ed-b759-68c6553dc540.jpg?v=1787652654"},{"product_id":"2-48-ct-colombian-emerald","title":"2.48 ct Colombian Emerald","description":"\u003cp\u003eA richly colored Colombian emerald displaying a strong, slightly bluish-green hue. This gem is fashioned as a square emerald cut, showcasing its classic color and natural character in an elegant, balanced form. \u003c\/p\u003e\n\u003cp\u003eAccompanied by \u003cstrong\u003eCarte Blu Report 44080046\u003c\/strong\u003e from Professional Gem Sciences Laboratory, dated \u003cstrong\u003eSeptember 23, 2019\u003c\/strong\u003e, the stone is identified as a \u003cstrong\u003enatural emerald\u003c\/strong\u003e of \u003cstrong\u003eColombian origin\u003c\/strong\u003e. The report describes the emerald as \u003cstrong\u003every well made\u003c\/strong\u003e, with \u003cstrong\u003every good polish\u003c\/strong\u003e, \u003cstrong\u003egood symmetry\u003c\/strong\u003e, and a \u003cstrong\u003emoderate clarity enhancement (F2)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGemstone Details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eGemstone: Natural Emerald\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMineral Species: Beryl\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWeight: 2.48 carats\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eShape: Square\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCut: Emerald Cut\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eColor: Strong Slightly Bluish Green\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTransparency: Transparent\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMeasurements: 7.92–7.84 × 6.16 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTable: 59%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTotal Depth: 78.2%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePolish: Very Good\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSymmetry: Good\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOverall Cut: Very Well Made\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eClarity Enhancement: Moderate\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnhancement Stability: Very Good\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGeographic Origin: Colombia\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReport: Carte Blu \/ PGSL Report 44080046\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA distinctive choice for a collector or custom jewelry design, this emerald combines desirable Colombian origin, substantial carat weight, and a timeless square emerald cut. Its lts light color saturation and the amount of inclusions make it a great entry point for someone looking for a good size emerald at an affordable price.\u003c\/p\u003e","brand":"otzera","offers":[{"title":"Default Title","offer_id":50958390821111,"sku":"2167591","price":1450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/2.48emerald.png?v=1785331891"},{"product_id":"1-27-ct-unheated-cambodian-royal-blue-sapphire","title":"1.27 ct Unheated Cambodian Royal Blue Sapphire","description":"\u003cp class=\"p1\"\u003eA richly saturated natural sapphire with an intense vivid-blue color and a refined antique oval silhouette. This 1.27-carat stone displays the deep, commanding blue associated with fine royal-blue sapphires, balanced by strong transparency and a color that comes to life in sunlight. \u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe sapphire was examined by Professional Gem Sciences Laboratory and identified as originating from \u003cb\u003eCambodia\u003c\/b\u003e. No gemological evidence of heat treatment was detected—an important distinction, as most sapphires in today’s market are routinely heated to improve their color or clarity. The report also awards the stone the laboratory’s special \u003cb\u003e“PGS-type Royal Blue”\u003c\/b\u003e color designation.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eGemstone Details\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li3\"\u003e\n\u003cb\u003eGemstone:\u003c\/b\u003e Natural Sapphire\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\n\u003cb\u003eMineral Species:\u003c\/b\u003e Corundum\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\n\u003cb\u003eWeight:\u003c\/b\u003e 1.27 carats\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\n\u003cb\u003eShape:\u003c\/b\u003e Oval \u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\n\u003cb\u003eCut:\u003c\/b\u003e Mixed cut\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\n\u003cb\u003eColor:\u003c\/b\u003e Vivid Blue\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\n\u003cb\u003eSpecial Color Designation:\u003c\/b\u003e PGS-type Royal Blue\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\n\u003cb\u003eTransparency:\u003c\/b\u003e Transparent\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\n\u003cb\u003eClarity Grade:\u003c\/b\u003e Slightly Included\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\n\u003cb\u003eMeasurements:\u003c\/b\u003e 6.38 × 5.56 × 4.06 mm\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\n\u003cb\u003ePolish:\u003c\/b\u003e Very Good\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\n\u003cb\u003eSymmetry:\u003c\/b\u003e Very Good\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\n\u003cb\u003eOverall Cut Grade:\u003c\/b\u003e Very Well Made\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\n\u003cb\u003eGeographic Origin:\u003c\/b\u003e Cambodia\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\n\u003cb\u003eEnhancement:\u003c\/b\u003e None — no gemological evidence of heat present\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\n\u003cb\u003eLaboratory:\u003c\/b\u003e Professional Gem Sciences Laboratory\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\n\u003cb\u003eReport Number:\u003c\/b\u003e 44080102\u003c\/li\u003e\n\u003cli class=\"li3\"\u003e\n\u003cb\u003eReport Date:\u003c\/b\u003e October 11, 2019\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p4\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eCombining vivid royal-blue color, documented Cambodian origin and an unheated condition, this sapphire offers the qualities sought by both gemstone collectors and jewelry connoisseurs. Its versatile oval shape makes it equally well suited for a custom ring or pendant, while its independent laboratory documentation provides confidence in its identity, origin and treatment status.\u003c\/p\u003e","brand":"otzera","offers":[{"title":"Default Title","offer_id":50974865490167,"sku":"7326518","price":2450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/1-27-ct-cambodian-royal-blue-sapphire-angle-2_97ec3f4f-bb46-45cf-9db6-05afdd3e6d99.jpg?v=1787653431"},{"product_id":"10-32-ct-natural-golden-beryl-heliodor","title":"10.32 ct Natural Golden Beryl — Heliodor","description":"\u003cp class=\"p2\"\u003eA substantial natural golden beryl distinguished by its warm yellow color, impressive size and elegant oval shape. Weighing \u003cb\u003e10.32 carats\u003c\/b\u003e, this transparent heliodor presents a bright, honey-gold appearance with broad flashes of light across the body of the stone.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eHeliodor is the golden-yellow variety of beryl—the same mineral family that includes emerald and aquamarine. Its inviting color and strong transparency make it especially attractive as a collector gemstone, while its generous dimensions give it the presence needed for a distinctive custom jewel. \u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eGemstone Details\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li4\"\u003e\n\u003cb\u003eGemstone:\u003c\/b\u003e Natural Heliodor \/ Golden Beryl\u003c\/li\u003e\n\u003cli class=\"li4\"\u003e\n\u003cb\u003eWeight:\u003c\/b\u003e 10.32 carats\u003c\/li\u003e\n\u003cli class=\"li4\"\u003e\n\u003cb\u003eShape:\u003c\/b\u003e Oval\u003c\/li\u003e\n\u003cli class=\"li4\"\u003e\n\u003cb\u003eCut:\u003c\/b\u003e Modified brilliant cut\u003c\/li\u003e\n\u003cli class=\"li4\"\u003e\n\u003cb\u003eMeasurements:\u003c\/b\u003e 18.75 × 11.27 × 8.26 mm\u003c\/li\u003e\n\u003cli class=\"li4\"\u003e\n\u003cb\u003eTransparency:\u003c\/b\u003e Transparent\u003c\/li\u003e\n\u003cli class=\"li4\"\u003e\n\u003cb\u003eColor:\u003c\/b\u003e Moderate Yellow\u003c\/li\u003e\n\u003cli class=\"li4\"\u003e\n\u003cb\u003eClarity Grade:\u003c\/b\u003e VS1\u003c\/li\u003e\n\u003cli class=\"li4\"\u003e\n\u003cb\u003ePolish:\u003c\/b\u003e Very Good\u003c\/li\u003e\n\u003cli class=\"li4\"\u003e\n\u003cb\u003eSymmetry:\u003c\/b\u003e Excellent\u003c\/li\u003e\n\u003cli class=\"li4\"\u003e\n\u003cb\u003eOverall Cut Grade:\u003c\/b\u003e Very Well Made\u003c\/li\u003e\n\u003cli class=\"li4\"\u003e\n\u003cb\u003eTable:\u003c\/b\u003e 44%\u003c\/li\u003e\n\u003cli class=\"li4\"\u003e\n\u003cb\u003eTotal Depth:\u003c\/b\u003e 73.3%\u003c\/li\u003e\n\u003cli class=\"li4\"\u003e\n\u003cb\u003eEnhancement:\u003c\/b\u003e None — no gemological evidence of enhancement detected\u003c\/li\u003e\n\u003cli class=\"li4\"\u003e\n\u003cb\u003eLaboratory:\u003c\/b\u003e Professional Gem Sciences Laboratory\u003c\/li\u003e\n\u003cli class=\"li4\"\u003e\n\u003cb\u003eReport Number:\u003c\/b\u003e 42120004\u003c\/li\u003e\n\u003cli class=\"li4\"\u003e\n\u003cb\u003eReport Date:\u003c\/b\u003e August 30, 2019\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p5\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eWith its unusually large size, warm golden color and lively cut, this heliodor offers both visual impact and collector appeal. It can be appreciated as a loose specimen or used as the centerpiece of a bold ring, pendant or bespoke jewelry design.\u003c\/p\u003e","brand":"otzera","offers":[{"title":"Default Title","offer_id":50974903599351,"sku":"7553214","price":625.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/10.32GoldenBeryl.png?v=1785158711"},{"product_id":"0-51-ct-natural-muzo-colombian-emerald","title":"0.51 ct Natural Muzo Colombian Emerald","description":"\u003cp class=\"p2\"\u003eA refined natural emerald accompanied by an original Colombian gemological certificate identifying its origin as \u003cb\u003eMuzo, Colombia\u003c\/b\u003e. Weighing approximately \u003cb\u003e0.51 carat\u003c\/b\u003e, the gemstone has been fashioned into a classic rectangular emerald cut with balanced dimensions of 5.50 × 4.39 × 2.80 mm.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eMuzo is one of the most recognized names in the emerald world, historically associated with some of Colombia’s most celebrated green gemstones. Documented Muzo provenance adds an important layer of interest to this emerald, particularly for collectors and buyers who value geographic origin alongside beauty and rarity.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eThe certificate records the stone’s color as green, together with the handwritten notation \u003cb\u003e“bG 4\/3 – VVS III.”\u003c\/b\u003e The stone is accompanied by its original certificate signed by Marcela Jiménez R., a Graduate Gemologist of the Gemological Institute of America.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eGemstone Details\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li4\"\u003e\n\u003cb\u003eGemstone:\u003c\/b\u003e Natural Emerald\u003c\/li\u003e\n\u003cli class=\"li4\"\u003e\n\u003cb\u003eWeight:\u003c\/b\u003e 0.51 carat\u003c\/li\u003e\n\u003cli class=\"li4\"\u003e\n\u003cb\u003eShape:\u003c\/b\u003e Rectangular\u003c\/li\u003e\n\u003cli class=\"li4\"\u003e\n\u003cb\u003eCut:\u003c\/b\u003e Step Cut\u003c\/li\u003e\n\u003cli class=\"li4\"\u003e\n\u003cb\u003eMeasurements:\u003c\/b\u003e 5.50 × 4.39 × 2.80 mm\u003c\/li\u003e\n\u003cli class=\"li4\"\u003e\n\u003cb\u003eColor:\u003c\/b\u003e Green\u003c\/li\u003e\n\u003cli class=\"li4\"\u003e\n\u003cb\u003eGeographic Origin:\u003c\/b\u003e Muzo, Colombia\u003c\/li\u003e\n\u003cli class=\"li4\"\u003e\n\u003cb\u003eTreatment Status:\u003c\/b\u003e Minor Enhancement\u003c\/li\u003e\n\u003cli class=\"li4\"\u003e\n\u003cb\u003eDocumentation:\u003c\/b\u003e Original handwritten Colombian certificate included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p5\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eCompact yet rich in provenance, this emerald offers the appeal of documented Colombian origin in a versatile size. Its rectangular form would lend itself well to a delicate ring, pendant or custom collector-focused jewelry design.\u003c\/p\u003e","brand":"otzera","offers":[{"title":"Default Title","offer_id":50974920573175,"sku":"8361457","price":815.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/0-51-ct-muzo-colombian-emerald-face-up_63085532-ebfc-4c7a-a77b-3de46ab0bb12.png?v=1789009918"},{"product_id":"1-15-ct-natural-ruby-from-sri-lanka-dual-certified","title":"1.15 ct Natural Pinkish Red Ruby from Sri Lanka — Dual Certified","description":"\u003cp class=\"p2\"\u003eThis natural ruby displays a vivid pinkish-red color, with lively flashes of red, pink and magenta visible as the stone moves in the sunlight. Its softly rounded cushion shape gives it a classic appearance, while the mixed-cut faceting helps distribute color and brilliance across the face of the gemstone.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eThe ruby is accompanied by \u003cb\u003etwo independent gemological reports\u003c\/b\u003e. The primary report from Professional Gem Sciences Laboratory records a weight of \u003cb\u003e1.15 carats\u003c\/b\u003e, while an earlier report from Tokyo Gem Laboratory in Thailand records \u003cb\u003e1.16 carats\u003c\/b\u003e. This minor difference is because I fixed a small abrasion on the stone after purchasing it.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eBoth laboratories identify the gemstone as a \u003cb\u003enatural ruby. \u003c\/b\u003eIt is at the far pink end of the spectrum and is not priced as a rich red ruby would be priced for that reason. But names aside, this bright stone emits life from the very first moment you look at it. Both reports confirm evidence of traditional heat enhancement. The PGSL report further attributes the ruby’s geographic origin to \u003cb\u003eSri Lanka, historically known as Ceylon\u003c\/b\u003e, one of the world’s most respected sources of fine ruby and sapphire.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eThe stone was personally acquired during a gemstone-buying trip to Thailand many years ago. This documented history, together with its dual certification, gives the ruby an added sense of provenance and makes it especially appealing as a collectible gemstone.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eGemstone Details\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eGemstone:\u003c\/b\u003e Natural Ruby\u003cbr\u003e\u003cb\u003eMineral:\u003c\/b\u003e Corundum\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 1.15 carats\u003cbr\u003e\u003cb\u003eShape:\u003c\/b\u003e Cushion\u003cbr\u003e\u003cb\u003eCut:\u003c\/b\u003e Mixed Cut\u003cbr\u003e\u003cb\u003eMeasurements:\u003c\/b\u003e 6.58 × 5.23 × 3.71 mm\u003cbr\u003e\u003cb\u003eColor:\u003c\/b\u003e Vivid Purplish Red \/ Pinkish Red\u003cbr\u003e\u003cb\u003ePolish:\u003c\/b\u003e Very Good\u003cbr\u003e\u003cb\u003eSymmetry:\u003c\/b\u003e Very Good\u003cbr\u003e\u003cb\u003eOverall Cut Grade:\u003c\/b\u003e Very Well Made\u003cbr\u003e\u003cb\u003eGeographic Origin:\u003c\/b\u003e Sri Lanka (Ceylon)\u003cbr\u003e\u003cb\u003eEnhancement:\u003c\/b\u003e Standard Heat\u003cbr\u003e\u003cb\u003eTreatment Stability:\u003c\/b\u003e Excellent\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eCertification\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003ePrimary Report:\u003c\/b\u003e Professional Gem Sciences Laboratory\u003cbr\u003e\u003cb\u003eReport Number:\u003c\/b\u003e 3812001536\u003cbr\u003e\u003cb\u003eReport Date:\u003c\/b\u003e October 15, 2019\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eSecondary Report:\u003c\/b\u003e Tokyo Gem Laboratory, Thailand\u003cbr\u003e\u003cb\u003eFile Number:\u003c\/b\u003e 23110261\u003cbr\u003e\u003cb\u003eReport Date:\u003c\/b\u003e November 11, 2013\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eProvenance\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003ePersonally acquired during a gemstone-buying trip to Thailand and retained for many years before being selected for the Otzera collection.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eThe Otzera Perspective\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eThis ruby combines attractive color, documented Sri Lankan origin and an unusually well-supported gemological history. Its dual certification provides added confidence in its natural identity, while its personal buying-trip provenance gives the stone a story that extends beyond its laboratory specifications.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eEach Otzera gemstone is individually selected for its beauty, character and collectible appeal. This ruby is extraordinarily clean and free from inclusions for ruby, making it an attractive stone for a collector with discerning taste.\u003c\/p\u003e","brand":"otzera","offers":[{"title":"Default Title","offer_id":50974973329655,"sku":"1963562","price":2250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/1-15-ct-sri-lanka-ruby-face-up_31bf6205-86c7-4be1-b25f-3eda3b25346a.jpg?v=1789010109"},{"product_id":"2-41-ct-unheated-australian-blue-sapphire","title":"2.41 ct Unheated Australian Blue Sapphire - GIA Certified","description":"\u003cp class=\"p2\"\u003e\u003cb\u003eClassic Shape - Cushion Sugarloaf Cabochon\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eThis distinctive natural sapphire from Australia weighs \u003cb\u003e2.41 carats\u003c\/b\u003e and has been shaped into a beautifully sculptural \u003cb\u003ecushion shape sugarloaf cabochon\u003c\/b\u003e. Its softly rounded square outline and high-domed profile give the stone a strong visual presence while allowing its deep blue color to remain the focal point.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eThe sapphire is described by GIA as \u003cb\u003etransparent blue natural corundum\u003c\/b\u003e, with an Australian geographic origin. Most importantly, the report states \u003cb\u003eno indications of heating\u003c\/b\u003e—an increasingly meaningful distinction in a market where many sapphires are routinely heat treated to improve their color or clarity.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eAt \u003cb\u003e7.33 × 7.28 × 4.56 mm\u003c\/b\u003e, the stone has balanced proportions and an appealing square shape. Its sugarloaf cut gives it a smooth, architectural quality that would work beautifully in a custom ring or pendant, while also making it an interesting standalone addition to a gemstone collection.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eGemstone Details\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eGemstone:\u003c\/b\u003e Natural Sapphire\u003cbr\u003e\u003cb\u003eSpecies:\u003c\/b\u003e Natural Corundum\u003cbr\u003e\u003cb\u003eOrigin:\u003c\/b\u003e Australia\u003cbr\u003e\u003cb\u003eColor:\u003c\/b\u003e Blue\u003cbr\u003e\u003cb\u003eTransparency:\u003c\/b\u003e Transparent\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 2.41 carats\u003cbr\u003e\u003cb\u003eShape:\u003c\/b\u003e Cushion Sugarloaf Cabochon\u003cbr\u003e\u003cb\u003eMeasurements:\u003c\/b\u003e 7.33 × 7.28 × 4.56 mm\u003cbr\u003e\u003cb\u003eTreatment:\u003c\/b\u003e No indications of heating\u003cbr\u003e\u003cb\u003eCertification:\u003c\/b\u003e GIA Sapphire Origin Report No. 5201859064, dated February 1, 2020\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eOtzera Collector’s Note\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eThis sapphire brings together three desirable qualities: a distinctive cabochon form, documented Australian origin, and an unheated treatment status. The result is a gemstone with both visual character and strong gemological documentation—ideal for a collector who values natural materials with an individual identity.\u003c\/p\u003e","brand":"otzera","offers":[{"title":"Default Title","offer_id":50983384285431,"sku":"3509645","price":2150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/otzera-2-41ct-australian-blue-sapphire-sugarloaf-front_b16d7dd7-5a50-4b18-a514-412a8e23d3cc.jpg?v=1789010235"},{"product_id":"2-30-ct-blue-sapphire","title":"2.30 ct Blue Sapphire","description":"\u003cp\u003eThis richly colored natural sapphire weighs \u003cstrong\u003e2.30 carats\u003c\/strong\u003e and displays a dark, slightly over-saturated blue. Cut into a classic oval mixed shape, the stone combines a refined outline with crisp faceting that draws light across its surface and emphasizes its dramatic color.\u003c\/p\u003e\n\u003cp\u003eMeasuring \u003cstrong\u003e9.08 × 6.88 × 4.32 mm\u003c\/strong\u003e, the sapphire has an attractive face-up presence and balanced proportions. \u003c\/p\u003e\n\u003cp\u003eThe stone has undergone \u003cstrong\u003eheat treatment\u003c\/strong\u003e, the widely accepted enhancement used in the sapphire market to improve color. \u003c\/p\u003e\n\u003ch3\u003eGemstone Details\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Natural Blue Sapphire\u003cbr\u003e\u003cstrong\u003eSpecies:\u003c\/strong\u003e Corundum\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.30 carats\u003cbr\u003e\u003cstrong\u003eShape:\u003c\/strong\u003e Oval Mixed Cut\u003cbr\u003e\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 9.08 × 6.88 × 4.32 mm\u003cbr\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Dark Blue\u003cbr\u003e\u003cstrong\u003ePolish:\u003c\/strong\u003e Very Good\u003cbr\u003e\u003cstrong\u003eSymmetry:\u003c\/strong\u003e Very Good\u003cbr\u003e\u003cstrong\u003eOverall Cut Grade:\u003c\/strong\u003e Very Well Made\u003cbr\u003e\u003cstrong\u003eEnhancement:\u003c\/strong\u003e Heat\u003cbr\u003e\u003cstrong\u003eStability:\u003c\/strong\u003e Excellent\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eOtzera Collector’s Note\u003c\/h3\u003e\n\u003cp\u003eWhile overdark and heat enhanced, this sapphire weighs over two carats making it a solid entry level sapphire for new collectors looking to build their collections.\u003c\/p\u003e","brand":"otzera","offers":[{"title":"Default Title","offer_id":50983409746167,"sku":"6230574","price":350.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/2.30sapphire6.png?v=1786018865"},{"product_id":"3-83-carat-antique-yellow-chrysoberyl","title":"3.83 Carat Antique Yellow Chrysoberyl","description":"\u003cp\u003e\u003cstrong\u003eNatural · Unheated · Antique Modified Oval Cut\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBright, distinctive, and full of character, this natural yellow chrysoberyl embodies a pleasing yellow color with lively flashes of chartreuse, lemon, and golden yellow. Its elongated oval outline and antique modified brilliant cutting style give the stone a personality that feels less standardized than a modern commercial cut.\u003c\/p\u003e\n\u003cp\u003eWeighing \u003cstrong\u003e3.83 carats\u003c\/strong\u003e, the gemstone has substantial presence while maintaining an elegant, balanced face-up appearance. The deeper proportions contribute to concentrated color and create bold internal reflections as the stone moves through the light. Its slightly included clarity is consistent with a natural gemstone and does not diminish the overall visual impact of the stone.\u003c\/p\u003e\n\u003cp\u003eChrysoberyl is a distinct mineral species—not a variety of beryl—and is particularly valued by collectors for its brilliance, durability, and relative scarcity in strong, attractive colors. Yellow chrysoberyl is considerably less familiar to the public than sapphire or topaz, making this an appealing choice for a collector seeking something both beautiful and outside the conventional gemstone categories.\u003c\/p\u003e\n\u003cp\u003eMost importantly, the accompanying report states that there is \u003cstrong\u003eno evidence of heat treatment\u003c\/strong\u003e, preserving the gemstone’s natural color character. The combination of its vivid coloration, nearly four-carat weight, antique-style cutting, and untreated status gives this stone meaningful collector appeal.\u003c\/p\u003e\n\u003ch3\u003eWhy Otzera Selected It\u003c\/h3\u003e\n\u003cp\u003eThis chrysoberyl was selected for its unusually energetic color and distinctive cutting personality. It is not a quiet pastel stone: the vivid yellow body color is energized by a subtle green influence that produces a fresh, almost electric appearance. The antique modified oval cut adds individuality and reinforces the sense that this is a one-of-a-kind collectible rather than a standardized commercial gemstone.\u003c\/p\u003e\n\u003ch3\u003eGemstone Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Natural Yellow Chrysoberyl\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.83 carats\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 11.01 × 7.34 × 5.69 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eShape:\u003c\/strong\u003e Oval\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCutting Style:\u003c\/strong\u003e Antique Modified Brilliant\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Strong, Slightly Greenish Yellow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eClarity:\u003c\/strong\u003e Slightly Included\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePolish:\u003c\/strong\u003e Very Good\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSymmetry:\u003c\/strong\u003e Good\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProportions:\u003c\/strong\u003e Good\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Cut Assessment:\u003c\/strong\u003e Well Made, Antique\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTable:\u003c\/strong\u003e 53%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTotal Depth:\u003c\/strong\u003e 77.5%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnhancement:\u003c\/strong\u003e None detected; no evidence of heat\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCertification\u003c\/h3\u003e\n\u003cp\u003eAccompanied by \u003cstrong\u003eCarte Blu Report No. 44080113\u003c\/strong\u003e, issued by Professional Gem Sciences Laboratory on \u003cstrong\u003eMarch 5, 2020\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eCare and Handling\u003c\/h3\u003e\n\u003cp\u003eChrysoberyl is a durable gemstone suitable for jewelry use, although every loose gemstone should be protected from sharp impacts and abrasive contact. Clean gently with warm water, mild soap, and a soft brush. Avoid aggressive chemicals and have the stone examined by a qualified jeweler before setting.\u003c\/p\u003e","brand":"otzera","offers":[{"title":"Default Title","offer_id":50985739256055,"sku":"7485981","price":1775.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/otzera-3-83ct-yellow-chrysoberyl-face-up_7d36d658-372b-4d6f-a57d-909397e775c7.jpg?v=1789009789"},{"product_id":"4-20-carat-vivid-yellow-sapphire","title":"4.20 Carat Vivid Yellow Sapphire","description":"\u003cp\u003e\u003cstrong\u003eNatural · Clean · Very Well Made Oval Cut\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis exceptional natural yellow sapphire combines three qualities that are especially compelling to collectors: \u003cstrong\u003eintense color, clean clarity, and a well-proportioned cut at more than four carats\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIts primary color is described as \u003cstrong\u003evivid slightly orangish yellow\u003c\/strong\u003e, producing a rich, saturated appearance with flashes of golden yellow, amber, and warm citrus. The subtle orange influence adds depth and character, distinguishing the stone from lighter or more commercially common yellow sapphires. Its color is energetic and immediately noticeable, giving the gemstone a strong visual identity both at rest and in motion.\u003c\/p\u003e\n\u003cp\u003eWeighing \u003cstrong\u003e4.20 carats\u003c\/strong\u003e, the sapphire has substantial collector presence. Its balanced oval outline and mixed cutting style create a classic appearance while preserving the stone’s individual personality. The report assigns \u003cstrong\u003eVery Good\u003c\/strong\u003e grades for both symmetry and proportions, with an overall assessment of \u003cstrong\u003eVery Well Made\u003c\/strong\u003e—an important distinction for a gemstone of this size and depth.\u003c\/p\u003e\n\u003cp\u003eThe sapphire is graded \u003cstrong\u003eVery Slightly Included\u003c\/strong\u003e, resulting in an attractively clean face-up appearance. This clarity allows its vibrant color and internal brilliance to remain the dominant visual features, without distracting inclusions competing for attention. \u003c\/p\u003e\n\u003cp\u003eMost significantly, stone has great life to it. Its strong cutting are considerably more difficult to find than routine material. The combination of vivid color, size, transparency, and proportion gives this stone particularly strong desirability as a standalone collectible.\u003c\/p\u003e\n\u003ch3\u003eWhy Otzera Selected It\u003c\/h3\u003e\n\u003cp\u003eThis sapphire was selected for the completeness of its presentation. Many yellow sapphires offer either size, color, or clarity; this stone brings all three together in a well-made oval weighing more than four carats.\u003c\/p\u003e\n\u003cp\u003eIts vivid color is unusually expressive, while the clean clarity and balanced proportions allow that color to be appreciated without compromise. \u003c\/p\u003e\n\u003ch3\u003eGemstone Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Natural Yellow Sapphire\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMineral Species:\u003c\/strong\u003e Natural Corundum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 4.20 carats\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 10.64 × 7.58 × 6.01 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eShape:\u003c\/strong\u003e Oval\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCutting Style:\u003c\/strong\u003e Mixed Cut\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Vivid Slightly Orangish Yellow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eClarity:\u003c\/strong\u003e Very Slightly Included\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePolish:\u003c\/strong\u003e Good\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSymmetry:\u003c\/strong\u003e Very Good\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProportions:\u003c\/strong\u003e Very Good\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Cut Assessment:\u003c\/strong\u003e Very Well Made\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTable:\u003c\/strong\u003e 42%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTotal Depth:\u003c\/strong\u003e 79.3%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnhancement:\u003c\/strong\u003e Standard Heat\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eStability: \u003c\/strong\u003eExcellent\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCollector Appeal\u003c\/h3\u003e\n\u003cp\u003eThe sapphire’s desirability rests on the combination of its \u003cstrong\u003evivid yellow color, clean appearance, substantial weight, and successful cutting\u003c\/strong\u003e. At 4.20 carats, it has the scale to anchor a serious gemstone collection while remaining beautifully proportioned and visually refined.\u003c\/p\u003e\n\u003ch3\u003eCare and Handling\u003c\/h3\u003e\n\u003cp\u003eSapphire is one of the most durable natural gemstones and is well suited for jewelry use. Clean with warm water, mild soap, and a soft brush. Although resistant to everyday wear, the stone should still be protected from sharp impacts and abrasive contact. Have it examined by a qualified jeweler before setting.\u003c\/p\u003e","brand":"otzera","offers":[{"title":"Default Title","offer_id":50985774940407,"sku":"1547363","price":1895.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/4.20yellowsapphirea.png?v=1785415559"},{"product_id":"4-98-carat-antique-ceylon-yellow-sapphire","title":"4.98 Carat Antique Ceylon Yellow Sapphire","description":"\u003cp\u003e\u003cstrong\u003eNatural · Unheated · Sri Lankan Origin\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis natural yellow sapphire is a distinctive antique stone with the individuality and physical character that collectors often seek in older-cut gemstones. Weighing \u003cstrong\u003e4.98 carats\u003c\/strong\u003e, it displays a soft light-yellow color and is accompanied by a laboratory report identifying its geographic origin as \u003cstrong\u003eSri Lanka, historically known as Ceylon\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eRather than following the balanced proportions expected of a modern precision cut, the sapphire has a notably deep, bottom-heavy profile. Its \u003cstrong\u003e81.4% total depth\u003c\/strong\u003e concentrates a substantial portion of the stone’s weight below the girdle, giving it a pronounced three-dimensional presence. This is not a conventionally proportional cut, and its symmetry is graded Fair. However, for the right collector, these irregularities are part of its appeal: they preserve the personality of an earlier cutting tradition and distinguish the stone from more standardized contemporary sapphires.\u003c\/p\u003e\n\u003cp\u003eThe gemstone’s mixed oval cut, softly rounded outline, and substantial pavilion create an unmistakably individual appearance. It feels like a stone shaped around the original crystal rather than cut to conform to a modern commercial template.\u003c\/p\u003e\n\u003cp\u003eMost importantly, the sapphire is \u003cstrong\u003eunenhanced\u003c\/strong\u003e, with no evidence of heat treatment. Natural, unheated yellow sapphires from Sri Lanka are desirable to collectors who value geographic origin, traditional cutting, and minimal intervention.\u003c\/p\u003e\n\u003ch3\u003eWhy Otzera Selected It \u003c\/h3\u003e\n\u003cp\u003eThis sapphire was selected for its authenticity and character rather than technical perfection. Its collectible appeal rests on the combination of:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eAntique cutting character\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSri Lankan—Ceylon—origin\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNo evidence of heat treatment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eA substantial weight approaching five carats\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAn unusually deep profile that clearly separates it from conventional modern cuts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe bulky pavilion is an honest and visible part of the stone. Some buyers may regard it as inefficient cutting, while others will appreciate it as the defining characteristic that gives the sapphire its individuality and historic feel.\u003c\/p\u003e\n\u003ch3\u003eJyotish and Traditional Setting Appeal\u003c\/h3\u003e\n\u003cp\u003eFor buyers interested in \u003cstrong\u003eJyotish gemstone traditions\u003c\/strong\u003e, the sapphire’s exceptional depth may be particularly appealing. Jyotish-style rings are often designed with an open back so that the gemstone can make direct contact with the wearer’s skin. Because this stone has a deep pavilion, it may lend itself naturally to that type of custom setting.\u003c\/p\u003e\n\u003cp\u003eWithin Jyotish tradition, yellow sapphire is associated with Jupiter and is worn in the belief that it supports prosperity, wisdom, positive energy, and good fortune. These are traditional spiritual and astrological beliefs rather than scientifically established effects.\u003c\/p\u003e\n\u003ch3\u003eGemstone Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Natural Yellow Sapphire\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMineral Species:\u003c\/strong\u003e Corundum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 4.98 carats\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 9.75 × 7.98 × 6.50 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eShape:\u003c\/strong\u003e Oval\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCutting Style:\u003c\/strong\u003e Mixed Cut\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Light Yellow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGeographic Origin:\u003c\/strong\u003e Sri Lanka (Ceylon)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePolish:\u003c\/strong\u003e Good\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSymmetry:\u003c\/strong\u003e Fair\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Cut Assessment:\u003c\/strong\u003e Well Made\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTable:\u003c\/strong\u003e 45%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTotal Depth:\u003c\/strong\u003e 81.4%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnhancement:\u003c\/strong\u003e None detected; no evidence of heat\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCertification\u003c\/h3\u003e\n\u003cp\u003eAccompanied by \u003cstrong\u003eCarte Blu Report No. 44080114\u003c\/strong\u003e, dated \u003cstrong\u003eSeptember 23, 2019\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eCare and Setting\u003c\/h3\u003e\n\u003cp\u003eSapphire is highly durable and suitable for regular jewelry wear. Because of this stone’s unusually deep pavilion, it should be evaluated by an experienced jeweler before setting. A custom mounting will likely provide the best balance of protection, comfort, and presentation, particularly when creating an open-backed Jyotish-style ring.\u003c\/p\u003e","brand":"otzera","offers":[{"title":"Default Title","offer_id":50985945858295,"sku":"9245174","price":1175.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/4.98YellowSapphire1.png?v=1785419359"},{"product_id":"4-52-carat-unheated-ceylon-purple-sapphire","title":"4.52 Carat Unheated Ceylon Purple Sapphire","description":"\u003cp\u003e\u003cstrong\u003eNatural · Sri Lankan Origin · Antique Cushion Mixed Cut \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis natural purple sapphire is a substantial and highly individual collector stone, weighing \u003cstrong\u003e4.52 carats\u003c\/strong\u003e and displaying a soft-to-moderate violet color. Its appeal lies not in modern cutting perfection, but in the combination of \u003cstrong\u003eunenhanced color, documented Sri Lankan origin, notable size, and authentic antique cutting character\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe sapphire was fashioned as an antique cushion-shaped mixed cut, with a deep profile and a gently irregular outline. Its proportions and facet arrangement reflect an earlier approach to gemstone cutting, when cutters often prioritized preserving as much valuable rough as possible rather than achieving the strict symmetry and standardized proportions expected today.\u003c\/p\u003e\n\u003cp\u003eAs a result, the stone shows some visible asymmetry and does not present with the uniform precision of a contemporary cushion cut. For collectors of older gemstones, however, these characteristics can be part of its charm. They give the sapphire a distinct identity and preserve evidence of the cutting decisions made around the original crystal.\u003c\/p\u003e\n\u003cp\u003eThe gemstone is graded \u003cstrong\u003eModerately Included\u003c\/strong\u003e, and some inclusions are visible without magnification. These natural internal features should be viewed as part of the stone’s individual character rather than concealed. While they affect transparency in certain areas, the sapphire retains an attractive violet appearance and a strong physical presence.\u003c\/p\u003e\n\u003cp\u003eMost importantly, the accompanying report identifies the stone as originating from \u003cstrong\u003eSri Lanka, historically known as Ceylon\u003c\/strong\u003e, one of the world’s most respected sapphire-producing regions. The report also states that there is \u003cstrong\u003eno gemological evidence of heat treatment\u003c\/strong\u003e. This combination of origin, untreated status, antique cutting, and weight above four carats gives the stone meaningful collector desirability.\u003c\/p\u003e\n\u003ch3\u003eWhy Otzera Selected It\u003c\/h3\u003e\n\u003cp\u003eThis sapphire was selected for the authenticity of its presentation. It is not a standardized modern gemstone, and that is precisely what makes it interesting.\u003c\/p\u003e\n\u003cp\u003eIts collectible qualities include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eA substantial weight of \u003cstrong\u003e4.52 carats\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDocumented \u003cstrong\u003eSri Lankan—or Ceylon—origin\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNo evidence of heat treatment\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAn antique cushion-shaped cutting style\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVisible inclusions that confirm its natural character\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eA deep, weight-retaining cut shaped by traditional cutting priorities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAn individual outline and facet pattern unlike mass-produced modern stones\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCollectors who appreciate historic cutting methods often value the features that modern cutters might attempt to remove. The slight irregularities, depth, and retained weight give this sapphire a sense of history and personality.\u003c\/p\u003e\n\u003ch3\u003eGemstone Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Natural Purple Sapphire\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMineral Species:\u003c\/strong\u003e Corundum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 4.52 carats\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 9.40 × 7.32 × 5.75 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eShape:\u003c\/strong\u003e Antique Cushion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCutting Style:\u003c\/strong\u003e Mixed Cut\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Moderate Violet\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eClarity:\u003c\/strong\u003e Moderately Included\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePolish:\u003c\/strong\u003e Good\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSymmetry:\u003c\/strong\u003e Good, with visible antique-cut irregularity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Cut Assessment:\u003c\/strong\u003e Well Made\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTable:\u003c\/strong\u003e 51%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTotal Depth:\u003c\/strong\u003e 78.6%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGeographic Origin:\u003c\/strong\u003e Sri Lanka (Ceylon)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnhancement:\u003c\/strong\u003e None detected; no gemological evidence of heat\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCertification\u003c\/h3\u003e\n\u003cp\u003eAccompanied by \u003cstrong\u003eCarte Blu Report No. 44090126\u003c\/strong\u003e, dated \u003cstrong\u003eOctober 11, 2019\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eCare and Setting\u003c\/h3\u003e\n\u003cp\u003eSapphire is a durable gemstone suitable for jewelry, but this stone’s inclusions and antique proportions should be considered before setting. A protective custom mounting is recommended, particularly if the stone will be worn frequently. Clean with warm water, mild soap, and a soft brush, and avoid sharp impacts or aggressive ultrasonic cleaning unless the gemstone has first been examined by a qualified jeweler.\u003c\/p\u003e","brand":"otzera","offers":[{"title":"Default Title","offer_id":50986012049655,"sku":"8786352","price":2745.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/purplesapphire.png?v=1786016839"},{"product_id":"sapphire-otz-2026-01625","title":"2.14 ct Blue Sapphire","description":"\u003cp\u003eCool steel-blue color gives this 2.14 ct sapphire a distinctive, understated character. The stone is relatively clean to the eye and offers a substantial size at over two carats. Its cushion mixed cut shows a moderate window and some asymmetry, which are reflected in its Otzera 50 evaluation rather than hidden from view.\u003c\/p\u003e\n\n\u003cp\u003eHeat treatment is present, a standard and widely accepted practice for sapphire. For a collector, the appeal here is the combination of size, clean appearance and an unusual blue tone rather than precision cutting.\u003c\/p\u003e\n\n\u003cp\u003eOtzera 50: 28\/50 — Collectible\u003cbr\u003e\nWeight: 2.14 ct\u003cbr\u003e\nDimensions: 7.65 × 6.68 × 4.73 mm\u003cbr\u003e\nTreatment: Heat\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51034350289143,"sku":"OTZ-2026-01625","price":749.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01625-d.jpg?v=1786957880"},{"product_id":"spessartite-otz-2026-01626","title":"2.14 ct Fanta-Orange Spessartite Garnet","description":"\u003cp\u003eVivid orange color is the defining feature of this 2.14 ct spessartite garnet. The oval mixed cut shows lively brilliance, with only minor windowing and extinction through the table. Small crystal inclusions are not readily visible to the unaided eye, while some light wear at the facet junctions reflects normal handling.\u003c\/p\u003e\n\n\u003cp\u003eFor a collector, the appeal is straightforward: bright \"Fanta-orange\" color, strong face-up presence and a substantial size over two carats.\u003c\/p\u003e\n\n\u003cp\u003eOtzera 50: 35\/50 — Distinguished\u003cbr\u003e\nWeight: 2.14 ct\u003cbr\u003e\nDimensions: 7.96 × 6.30 × 4.21 mm\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51034350354679,"sku":"OTZ-2026-01626","price":825.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01626-a.jpg?v=1786960150"},{"product_id":"purple-sapphire-otz-2026-01627","title":"1.85 ct Unheated Sri Lankan Purple Sapphire","description":"\u003cp\u003eSoft lavender-purple color and an unusual triangular shape give this 1.85 ct sapphire a distinctive collector appeal. The stone is unheated and from Sri Lanka, two details that add meaningful interest beyond its attractive face-up appearance.\u003c\/p\u003e\n\n\u003cp\u003eThe cut is generally well balanced and lively, while fine internal needles and a small cavity near the table edge are visible on closer inspection. These characteristics are reflected openly in its Otzera 50 evaluation rather than hidden from view.\u003c\/p\u003e\n\n\u003cp\u003eOtzera 50: 37\/50 — Distinguished\u003cbr\u003e\nWeight: 1.85 ct\u003cbr\u003e\nDimensions: 9.93 × 6.42 × 4.12 mm\u003cbr\u003e\nOrigin: Sri Lanka\u003cbr\u003e\nTreatment: None\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51034350387447,"sku":"OTZ-2026-01627","price":1250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01627-a.jpg?v=1786961898"},{"product_id":"aquamarine-otz-2026-01628","title":"3.22 ct Blue Emerald-Cut Aquamarine","description":"\u003cp\u003eBright blue color and a classic emerald cut give this 3.22 ct aquamarine a crisp, elegant look with strong face-up presence. Minor windowing and extinction, light polish issues, and a small pavilion feather are reflected in its Otzera 50 evaluation. Otzera 50: 36\/50 - Distinguished.\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51034350420215,"sku":"OTZ-2026-01628","price":965.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01628-b.jpg?v=1786962925"},{"product_id":"red-spinel-otz-2026-01629","title":"1.63 ct Vivid Red Spinel","description":"\u003cp\u003eVivid red color with a subtle pink modifier and exceptional brightness make this 1.63 ct spinel an immediately striking stone. Its oval mixed cut shows very little windowing or extinction, producing strong brilliance across the face of the gem.\u003c\/p\u003e\n\n\u003cp\u003eThe main clarity feature is a cluster of eye-visible crystals through the table. Rather than appearing strongly contrasting, the inclusions sit close to the body color and give the stone a distinctive natural character. At this size, the combination of color and brilliance is the primary collector appeal.\u003c\/p\u003e\n\n\u003cp\u003eThe stone was represented to us as Vietnamese, but that origin has not been independently verified and is therefore not reflected in its Otzera score.\u003c\/p\u003e\n\n\u003cp\u003eOtzera 50: 40\/50 — Distinguished\u003cbr\u003e\nFace-Up Performance: 93%\u003cbr\u003e\nWeight: 1.63 ct\u003cbr\u003e\nDimensions: 8.01 × 6.08 × 4.07 mm\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51034350452983,"sku":"OTZ-2026-01629","price":2450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01629-d.jpg?v=1786964740"},{"product_id":"sunstone-otz-2026-01630","title":"3.20 ctw Matched Oregon Sunstone Pair","description":"\u003cp\u003eRich sunset color gives this matched pair of Oregon sunstones their character. Together the two stones weigh 3.20 carats, with each stone approximately 1.60 ct, and their cushion-shaped modified brilliant cuts are exceptionally well calibrated in size and outline.\u003c\/p\u003e\n\n\u003cp\u003eAcross the pair, orange, golden yellow and warm brown tones shift through the facets, creating the multicolored appearance prized in fine Oregon sunstone. Both stones are clean to the unaided eye, with only minor inclusions visible under magnification. One stone has a small chip at a corner, which is reflected in the Otzera evaluation and disclosed here.\u003c\/p\u003e\n\n\u003cp\u003eFor a collector or jewelry project, the strongest attribute is the pairing itself: two substantial, closely matched Oregon sunstones with complementary color and proportions.\u003c\/p\u003e\n\n\u003cp\u003eOtzera 50: 40\/50 — Distinguished\u003cbr\u003e\nTotal weight: 3.20 ctw (1.60 ct each)\u003cbr\u003e\nApprox. dimensions per stone: 8.08 × 5.95 × 4.20 mm\u003cbr\u003e\nOrigin: Oregon, USA\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51040489570551,"sku":"OTZ-2026-01630","price":975.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01630-d.jpg?v=1787067162"},{"product_id":"citrine-otz-2026-01631","title":"7.81 ctw Custom-Cut Citrine Pair","description":"\u003cp\u003eGolden yellow color and dramatic custom cutting define this 7.81 ctw matched pair of citrines. The two stones weigh 4.01 and 3.80 ct and are closely matched in size and outline. Each has a sculptural modified hexagonal form with pointed, snowflake-like edges and a lively faceting pattern that creates strong movement and brightness.\u003c\/p\u003e\n\n\u003cp\u003eThe pair is clean to the unaided eye, with only subtle color-zoning lines visible from the pavilion. What makes these stones especially collectible is the cutting: this is not a standard commercial shape, but a distinctive custom design executed with a high level of symmetry and craftsmanship.\u003c\/p\u003e\n\n\u003cp\u003eOtzera 50: 38\/50 — Distinguished\u003cbr\u003e\nTotal weight: 7.81 ctw (4.01 ct + 3.80 ct)\u003cbr\u003e\nApprox. dimensions per stone: 12.1 × 10.5 × 6.4 mm\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51040489636087,"sku":"OTZ-2026-01631","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01631-d.jpg?v=1787067019"},{"product_id":"tsavorite-otz-2026-01632","title":"2.14 ctw Matched Tsavorite Garnet Pair","description":"\u003cp\u003eVivid green color and strong brightness give this 2.14 ctw matched pair of tsavorite garnets immediate appeal. The two oval-cut stones weigh 1.12 and 1.02 ct, putting each comfortably over one carat, and their closely matched table sizes and proportions make them especially well suited as a pair.\u003c\/p\u003e\n\n\u003cp\u003eThe stones show lively face-up performance with only minor differences in spread. Surface wear is present, including chips and abrasions along some facet junctions, primarily on the pavilion, and this is reflected in the Otzera evaluation rather than hidden from view.\u003c\/p\u003e\n\n\u003cp\u003eFor a collector or jewelry project, the strongest combination is the saturated green color, substantial individual sizes and the difficulty of finding well-matched tsavorite pairs of this quality.\u003c\/p\u003e\n\n\u003cp\u003eOtzera 50: 38\/50 — Distinguished\u003cbr\u003e\nTotal weight: 2.14 ctw (1.12 ct + 1.02 ct)\u003cbr\u003e\nApprox. dimensions: 6.7–7.0 × 5.0 × 3.1–3.4 mm\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51040489898231,"sku":"OTZ-2026-01632","price":2250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01632-c.jpg?v=1787066931"},{"product_id":"amethyst-otz-2026-01633","title":"9.42 ctw Custom-Cut Amethyst Pair","description":"\u003cp\u003eRich purple color and an unusual architectural cut give this 9.42 ctw matched pair of amethysts a distinctive character. The stones weigh 4.73 and 4.69 ct and are closely matched in size, making the pair well suited for a coordinated jewelry design or gemstone collection.\u003c\/p\u003e\n\n\u003cp\u003eTheir custom shape combines a high, cabochon-like dome with numerous square and step-style facets, creating a checkerboard effect that looks very different from a conventional amethyst cut. The result is playful, sculptural and highly individual.\u003c\/p\u003e\n\n\u003cp\u003eOne stone has a couple of moderate chips on the bottom. These are disclosed here and reflected in the Otzera evaluation rather than hidden from view.\u003c\/p\u003e\n\n\u003cp\u003eOtzera 50: 34\/50 — Collectible\u003cbr\u003e\nFace-Up Performance: 85%\u003cbr\u003e\nTotal weight: 9.42 ctw (4.73 ct + 4.69 ct)\u003cbr\u003e\nApprox. dimensions: 11.6–11.8 × 7.8 × 7.0–7.1 mm\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51040489996535,"sku":"OTZ-2026-01633","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01633-a.jpg?v=1787066744"},{"product_id":"almandite-otz-2026-01634","title":"9.51 ctw Custom-Cut Almandite Garnet Pair","description":"\u003cp\u003eDeep wine-red color and a highly unusual custom shape give this 9.51 ctw matched pair of almandite garnets strong collector character. The stones weigh 4.86 and 4.65 ct and are closely matched in size, with a distinctive four-point silhouette that immediately sets them apart from standard garnet cuts.\u003c\/p\u003e\n\n\u003cp\u003eCheckerboard-style faceting across the crown is paired with a brilliant-cut pavilion, creating flashes of red as the stones move. Their naturally deep tone also produces some areas of extinction and limits overall brightness, which is reflected in the Otzera evaluation. Minor crystals and needles are present but do not define the face-up appearance.\u003c\/p\u003e\n\n\u003cp\u003eFor a collector or jewelry project, the appeal is the combination of substantial size, close matching and a one-of-a-kind custom cut that would translate especially well into a dramatic pair of earrings.\u003c\/p\u003e\n\n\u003cp\u003eOtzera 50: 31\/50 — Collectible\u003cbr\u003e\nFace-Up Performance: 63%\u003cbr\u003e\nTotal weight: 9.51 ctw (4.86 ct + 4.65 ct)\u003cbr\u003e\nApprox. dimensions: 9.8–10.0 × 9.7–9.8 × 5.2–5.6 mm\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51040490094839,"sku":"OTZ-2026-01634","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01634-d.jpg?v=1787066635"},{"product_id":"17-41-ctw-carved-watermelon-tourmaline-suite","title":"17.41 ctw Carved Watermelon Tourmaline Suite","description":"\u003cp\u003eClassic pink-to-green color zoning defines this three-piece 17.41 ctw carved watermelon tourmaline suite from Brazil. Each piece is shaped into a softly rounded leaf form and finished with a floral carving across the face, allowing the saturated pink centers and green outer bands to become part of the design.\u003c\/p\u003e\u003cp\u003eThe larger centerpiece is complemented by two smaller matching carvings, creating a balanced suite with strong visual cohesion. Viewed from the reverse, the natural color banding remains clearly visible, emphasizing the character of the original tourmaline material.\u003c\/p\u003e\u003cp\u003eFor a collector or custom jewelry project, the appeal is the combination of natural watermelon color zoning, coordinated carving and a substantial total weight across three distinctive pieces.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTotal weight:\u003c\/strong\u003e 17.41 ctw\u003cbr\u003e\u003cstrong\u003eApprox. dimensions:\u003c\/strong\u003e 16.63–10.86 × 16.35–12.10 × 3.90–3.65 mm\u003cbr\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Brazil\u003cbr\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Pink, colorless and green\u003cbr\u003e\u003cstrong\u003eTransparency \/ Clarity:\u003c\/strong\u003e Semi-transparent \/ moderately included\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51131686650103,"sku":"OTZ-2026-00326","price":995.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-00326-b.jpg?v=1788921269"},{"product_id":"23-58-ct-natural-pink-tourmaline","title":"23.58 ct Natural Pink Tourmaline","description":"\u003cp\u003e\u003cstrong\u003eCollector's Note\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eExceptional size and vibrant pink color give this 23.58 ct natural tourmaline immediate presence. Its cushion modified brilliant cut has a broad, well-proportioned outline with strong symmetry and lively light return, while the stone presents eye-clean to the unaided eye.\u003c\/p\u003e\u003cp\u003eThe combination of rich color, clarity, impressive size and energetic face-up performance makes this a standout collector gemstone and a dramatic candidate for a one-of-a-kind jewelry design.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGemstone Details\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSpecies: Tourmaline\u003c\/li\u003e\n\u003cli\u003eWeight: 23.58 ct\u003c\/li\u003e\n\u003cli\u003eShape \/ Cut: Cushion Modified Brilliant\u003c\/li\u003e\n\u003cli\u003eDimensions: 18.68 × 17.14 × 11.91 mm\u003c\/li\u003e\n\u003cli\u003eColor: Vibrant Pink\u003c\/li\u003e\n\u003cli\u003eTransparency \/ Clarity: Transparent \/ Eye-clean\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eO50 Collector Evaluation\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOtzera 50: \u003cstrong\u003e41\/50 — Signature\u003c\/strong\u003e\u003cbr\u003eFace-Up Performance Index: \u003cstrong\u003e85%\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTreatment \u0026amp; Origin\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eTreatment and geographic origin are not stated in the current evaluation record.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCare \u0026amp; Setting\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eClean with warm water, mild soap and a soft brush. Avoid sharp impacts or aggressive ultrasonic cleaning unless first examined by a qualified jeweler.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDigital Gem Passport\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOtzera ID: OTZ-2026-01635\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51135147213047,"sku":"OTZ-2026-01635","price":8050.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01635-d_fa30f4b4-e78d-4f9c-bae4-b678f7924bcc.jpg?v=1788979345"},{"product_id":"1-70-ct-merelani-mint-grossularite-garnet","title":"1.70 ct Merelani Mint Grossular Garnet","description":"\u003cp\u003e\u003cstrong\u003eCollector's Note\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA distinctive pastel mint-green color gives this 1.70 ct grossular garnet from the Merelani Hills of Tanzania immediate collector appeal. Its well-proportioned round modified brilliant cut produces lively brilliance and strong face-up light return.\u003c\/p\u003e\u003cp\u003eMerelani mint garnet is encountered in comparatively limited quantities, and this stone combines the variety's soft green color with an attractive 1.70 ct size and bright round presentation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGemstone Details\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSpecies: Garnet\u003c\/li\u003e\n\u003cli\u003eVariety: Grossularite Garnet\u003c\/li\u003e\n\u003cli\u003eWeight: 1.70 ct\u003c\/li\u003e\n\u003cli\u003eShape \/ Cut: Round Modified Brilliant\u003c\/li\u003e\n\u003cli\u003eDimensions: 7.02–7.12 × 5.11 mm\u003c\/li\u003e\n\u003cli\u003eColor: Pastel Green\u003c\/li\u003e\n\u003cli\u003eTransparency \/ Clarity: Transparent \/ Lightly Included\u003c\/li\u003e\n\u003cli\u003eOrigin: Merelani Hills of Tanzania\u003c\/li\u003e\n\u003cli\u003eTreatment: None\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eO50 Collector Evaluation\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOtzera 50: \u003cstrong\u003e40\/50 — Distinguished\u003c\/strong\u003e\u003cbr\u003eFace-Up Performance Index: \u003cstrong\u003e83%\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTreatment \u0026amp; Origin\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOrigin recorded as the Merelani Hills of Tanzania. No treatment is indicated in the evaluation record.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCare \u0026amp; Setting\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eClean with warm water, mild soap and a soft brush. Avoid sharp impacts or aggressive ultrasonic cleaning unless first examined by a qualified jeweler.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDigital Gem Passport\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOtzera ID: OTZ-2026-01636\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51135147245815,"sku":"OTZ-2026-01636","price":1885.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01636-c_14281181-8cea-4366-8ef6-cecaf02ff375.jpg?v=1788979171"},{"product_id":"11-43-ctw-natural-yellow-zircon-pair","title":"11.43 ctw Matched Natural Yellow Zircon Pair","description":"\u003cp\u003e\u003cstrong\u003eCollector's Note\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA luscious matched pair of natural yellow zircons, weighing 5.77 and 5.66 carats respectively. Rich golden-yellow color, lively brilliance and close matching give the pair immediate presence.\u003c\/p\u003e\u003cp\u003eZircon is a distinct natural gemstone, despite the common confusion created by its name. This pair shows exactly why it deserves greater recognition: vibrant color, energetic sparkle, impressive size and two stones that work beautifully together as a collector pair or for a significant jewelry project.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGemstone Details\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSpecies: Zircon\u003c\/li\u003e\n\u003cli\u003eVariety: Natural Yellow Zircon\u003c\/li\u003e\n\u003cli\u003eTotal Weight: 11.43 ctw\u003c\/li\u003e\n\u003cli\u003eIndividual Weights: 5.77 ct + 5.66 ct\u003c\/li\u003e\n\u003cli\u003eShape \/ Cut: Round Modified Brilliant\u003c\/li\u003e\n\u003cli\u003eApprox. Dimensions: 9.20–9.51 × 6.72–7.21 mm\u003c\/li\u003e\n\u003cli\u003eColor: Deep Vivid Yellow\u003c\/li\u003e\n\u003cli\u003eTransparency \/ Clarity: Transparent \/ Eye-clean\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eO50 Collector Evaluation\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOtzera 50: \u003cstrong\u003e41\/50 — Signature\u003c\/strong\u003e\u003cbr\u003eFace-Up Performance Index: \u003cstrong\u003e95%\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTreatment \u0026amp; Origin\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eTreatment and geographic origin are not stated in the current evaluation record.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCare \u0026amp; Setting\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eClean with warm water, mild soap and a soft brush. Avoid sharp impacts or aggressive ultrasonic cleaning unless first examined by a qualified jeweler.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDigital Gem Passport\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOtzera ID: OTZ-2026-01637\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51135147442423,"sku":"OTZ-2026-01637","price":2475.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/YellowZircon1.png?v=1788984929"},{"product_id":"2-22-ct-natural-andradite-garnet","title":"2.22 ct Olive Andradite Garnet","description":"\u003ch3\u003eCollector's Note\u003c\/h3\u003e\u003cp\u003eAn unusual mix of olive-green color with subtle orange and golden flashes gives this 2.22 ct garnet its personality. As the stone is rocked and tilted in sunlight, the shifting secondary hues add warmth and movement beyond its dominant olive appearance.\u003c\/p\u003e\u003ch3\u003eGemstone Details\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Natural Andradite Garnet\u003cbr\u003e\u003cstrong\u003eSpecies \/ Variety:\u003c\/strong\u003e Andradite Garnet\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.22 ct\u003cbr\u003e\u003cstrong\u003eShape \/ Cut:\u003c\/strong\u003e Oval Modified Brilliant\u003cbr\u003e\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 8.68 x 6.81 x 4.96 mm\u003c\/p\u003e\u003ch3\u003eO50 Collector Evaluation\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eOtzera 50:\u003c\/strong\u003e 32\/50 — Collectible\u003cbr\u003e\u003cstrong\u003eFace-Up Performance:\u003c\/strong\u003e 80%\u003c\/p\u003e\u003ch3\u003eTreatment \u0026amp; Origin Disclosure\u003c\/h3\u003e\u003cp\u003eNo treatment or geographic origin is documented in the current Otzera record.\u003c\/p\u003e\u003ch3\u003eDigital Gem Passport\u003c\/h3\u003e\u003cp\u003eAccompanied by an Otzera Digital Gem Passport preserving its identifying details and O50 evaluation.\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51137216512247,"sku":"OTZ-2026-01641","price":928.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01641-andradite-garnet-3.png?v=1789009244"},{"product_id":"2-32-ct-natural-green-sapphire","title":"2.32 ct Green Round Brilliant Sapphire","description":"\u003ch3\u003eCollector's Note\u003c\/h3\u003e\u003cp\u003eThis 2.32 ct sapphire is defined by its unusually clean appearance and precise round brilliant cutting. Its body color is predominantly green, with a subtle blue influence visible from certain angles, giving the stone a distinctive and shifting face-up character.\u003c\/p\u003e\u003ch3\u003eGemstone Details\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Natural Green Sapphire\u003cbr\u003e\u003cstrong\u003eSpecies:\u003c\/strong\u003e Corundum\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.32 ct\u003cbr\u003e\u003cstrong\u003eShape \/ Cut:\u003c\/strong\u003e Round Brilliant\u003cbr\u003e\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 7.70-7.76 x 5.05 mm\u003cbr\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e Heat\u003c\/p\u003e\u003ch3\u003eO50 Collector Evaluation\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eOtzera 50:\u003c\/strong\u003e 33\/50 — Collectible\u003cbr\u003e\u003cstrong\u003eFace-Up Performance:\u003c\/strong\u003e 75%\u003c\/p\u003e\u003ch3\u003eTreatment \u0026amp; Origin Disclosure\u003c\/h3\u003e\u003cp\u003eHeat treatment is documented in the current Otzera record. Geographic origin is not recorded.\u003c\/p\u003e\u003ch3\u003eDigital Gem Passport\u003c\/h3\u003e\u003cp\u003eAccompanied by an Otzera Digital Gem Passport preserving its identifying details and O50 evaluation.\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51137217167607,"sku":"OTZ-2026-01640","price":890.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01640-green-sapphire-4.png?v=1789009101"},{"product_id":"1-57-ct-natural-purple-sapphire","title":"1.57 ct Unheated Sri Lankan Purple Sapphire","description":"\u003ch3\u003eCollector's Note\u003c\/h3\u003e\n\u003cp\u003eA lively purple sapphire with excellent clarity and the added appeal of untreated status and Sri Lankan provenance. At 1.57 carats, its oval modified brilliant cut gives the stone a bright, energetic face-up appearance, while only a minor fingerprint near the periphery is noted in the evaluation.\u003c\/p\u003e\n\u003ch3\u003eGemstone Details\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Natural Purple Sapphire\u003cbr\u003e\u003cstrong\u003eSpecies:\u003c\/strong\u003e Corundum\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.57 ct\u003cbr\u003e\u003cstrong\u003eShape \/ Cut:\u003c\/strong\u003e Oval Modified Brilliant \u003cbr\u003e\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 7.56 x 6.36 x 4.09 mm\u003cbr\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Sri Lanka\u003cbr\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None\u003c\/p\u003e\n\u003ch3\u003eO50 Collector Evaluation\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOtzera 50:\u003c\/strong\u003e 37\/50 — Distinguished\u003cbr\u003e\u003cstrong\u003eFace-Up Performance:\u003c\/strong\u003e 75%\u003c\/p\u003e\n\u003ch3\u003eTreatment \u0026amp; Origin Disclosure\u003c\/h3\u003e\n\u003cp\u003eThe current Otzera record identifies this sapphire as originating from Sri Lanka and lists no treatment.\u003c\/p\u003e\n\u003ch3\u003eDigital Gem Passport\u003c\/h3\u003e\n\u003cp\u003eAccompanied by an Otzera Digital Gem Passport preserving its identifying details and O50 evaluation.\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51137217790199,"sku":"OTZ-2026-01639","price":1560.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01639-purple-sapphire-3.png?v=1789009463"},{"product_id":"aquamarine-otz-2026-01638","title":"9.05 ct Natural Nigerian Aquamarine","description":"\u003cp\u003eCollector's Note\u003cbr\u003e\nAt 9.05 carats, this Nigerian aquamarine offers impressive presence in a cushion modified brilliant cut. Its cool blue appearance and substantial size make it an appealing collector stone with the scale to work equally well in a statement setting.\u003c\/p\u003e\n\n\u003cp\u003eGemstone Details\u003cbr\u003e\nGemstone: Natural Aquamarine\u003cbr\u003e\nSpecies: Beryl\u003cbr\u003e\nWeight: 9.05 ct\u003cbr\u003e\nShape \/ Cut: Cushion Modified Brilliant\u003cbr\u003e\nMeasurements: 15.52 x 11.70 x 8.34 mm\u003cbr\u003e\nOrigin: Nigeria\u003c\/p\u003e\n\n\u003cp\u003eO50 Collector Evaluation\u003cbr\u003e\nOtzera 50: 37\/50 — Distinguished\u003cbr\u003e\nFace-Up Performance: 68%\u003c\/p\u003e\n\n\u003cp\u003eTreatment \u0026amp; Origin Disclosure\u003cbr\u003e\nOrigin is recorded as Nigeria. No treatment information is documented in the current Otzera record.\u003c\/p\u003e\n\n\u003cp\u003eCare \u0026amp; Setting\u003cbr\u003e\nAquamarine is generally suitable for jewelry wear. Clean with warm water, mild soap and a soft brush; avoid harsh chemicals and thermal shock.\u003c\/p\u003e\n\n\u003cp\u003eDigital Gem Passport\u003cbr\u003e\nAccompanied by an Otzera Digital Gem Passport preserving its identifying details and O50 evaluation.\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51138651226359,"sku":"OTZ-2026-01638","price":3150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01638-aquamarine-3.jpg?v=1789008057"},{"product_id":"emerald-otz-2026-01642","title":"2.94 ct Colombian Emerald — GIA Origin Report","description":"\u003cp\u003eCollector's Note\u003cbr\u003e\nA classic Colombian emerald just under three carats, combining a desirable cushion shape with the provenance collectors look for in fine emerald material. Its transparent green appearance is complemented by GIA documentation confirming Colombian geographic origin and Minor Clarity Enhancement (F1).\u003c\/p\u003e\n\n\u003cp\u003eGemstone Details\u003cbr\u003e\nGemstone: Natural Emerald\u003cbr\u003e\nSpecies: Natural Beryl\u003cbr\u003e\nWeight: 2.94 ct\u003cbr\u003e\nShape: Cushion\u003cbr\u003e\nCutting Style: Brilliant Cut crown \/ Modified Brilliant Cut pavilion\u003cbr\u003e\nMeasurements: 8.86 x 8.57 x 6.36 mm\u003cbr\u003e\nColor: Green\u003cbr\u003e\nTransparency: Transparent\u003cbr\u003e\nGeographic Origin: Colombia\u003c\/p\u003e\n\n\u003cp\u003eO50 Collector Evaluation\u003cbr\u003e\nOtzera 50: 38\/50 — Distinguished\u003cbr\u003e\nFace-Up Performance: 85%\u003c\/p\u003e\n\n\u003cp\u003eTreatment \u0026amp; Origin Disclosure\u003cbr\u003e\nGIA determined the stone to be of Colombian origin and identified Minor Clarity Enhancement (F1).\u003c\/p\u003e\n\n\u003cp\u003eLaboratory Documentation\u003cbr\u003e\nAccompanied by GIA Emerald Origin Report No. 5192634252, dated September 10, 2018.\u003c\/p\u003e\n\n\u003cp\u003eCare \u0026amp; Setting\u003cbr\u003e\nEmeralds should be handled with appropriate care. Clean gently with lukewarm water, mild soap and a soft brush. Avoid ultrasonic and steam cleaning, and inform any jeweler of the stone's clarity enhancement before repair, setting or cleaning.\u003c\/p\u003e\n\n\u003cp\u003eDigital Gem Passport\u003cbr\u003e\nAccompanied by its Otzera Digital Gem Passport preserving identifying details, GIA documentation, treatment disclosure and O50 evaluation.\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51138651259127,"sku":"OTZ-2026-01642","price":14725.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01642-emerald-2.png?v=1788987871"},{"product_id":"red-spinel-otz-2026-01643","title":"2.13 ct Natural Red Spinel","description":"\u003cp\u003eCollector's Note\u003cbr\u003e\nA natural 2.13 ct red spinel with a deep red appearance and classic oval outline. Offered with no treatment indicated in the Otzera record, it is a straightforward natural example of one of the gemstone world's most recognizable red collector materials.\u003c\/p\u003e\n\n\u003cp\u003eGemstone Details\u003cbr\u003e\nGemstone: Natural Red Spinel\u003cbr\u003e\nSpecies: Natural Spinel\u003cbr\u003e\nWeight: 2.13 ct\u003cbr\u003e\nShape \/ Cut: Oval Mixed Cut\u003cbr\u003e\nMeasurements: 9.93 x 7.24 x 3.97 mm\u003c\/p\u003e\n\n\u003cp\u003eO50 Collector Evaluation\u003cbr\u003e\nOtzera 50: 27\/50 — Discovery\u003cbr\u003e\nFace-Up Performance: 55%\u003c\/p\u003e\n\n\u003cp\u003eTreatment \u0026amp; Origin Disclosure\u003cbr\u003e\nTreatment: None\u003cbr\u003e\nGeographic origin is not documented in the current Otzera record.\u003c\/p\u003e\n\n\u003cp\u003eCare \u0026amp; Setting\u003cbr\u003e\nSpinel is well suited to jewelry wear. Clean with warm water, mild soap and a soft brush; avoid harsh chemicals and sudden temperature changes.\u003c\/p\u003e\n\n\u003cp\u003eDigital Gem Passport\u003cbr\u003e\nAccompanied by an Otzera Digital Gem Passport preserving its identifying details, treatment disclosure and O50 evaluation.\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51138651291895,"sku":"OTZ-2026-01643","price":1225.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01643-red-spinel-4.jpg?v=1789007958"},{"product_id":"red-spinel-otz-2026-01645","title":"0.79 ct Myanmar Red Spinel","description":"\u003cp\u003eCollector's Note\u003cbr\u003e\nA compact natural red spinel with strong color and lively face-up return. At 0.79 ct, its oval mixed cut balances brightness with a rich red appearance, while the current Otzera record lists Myanmar (Burma) as its origin and no treatment.\u003c\/p\u003e\n\n\u003cp\u003eGemstone Details\u003cbr\u003e\nGemstone: Natural Red Spinel\u003cbr\u003e\nSpecies: Natural Spinel\u003cbr\u003e\nWeight: 0.79 ct\u003cbr\u003e\nShape \/ Cut: Oval Mixed Cut\u003cbr\u003e\nMeasurements: 5.93 x 5.11 x 3.77 mm\u003cbr\u003e\nOrigin: Myanmar (Burma)\u003cbr\u003e\nTreatment: None\u003c\/p\u003e\n\n\u003cp\u003eO50 Collector Evaluation\u003cbr\u003e\nOtzera 50: 34\/50 — Collectible\u003cbr\u003e\nFace-Up Performance: 80%\u003c\/p\u003e\n\n\u003cp\u003eTreatment \u0026amp; Origin Disclosure\u003cbr\u003e\nThe current Otzera record lists Myanmar (Burma) as the geographic origin and no treatment. No independent laboratory report is recorded for this stone.\u003c\/p\u003e\n\n\u003cp\u003eCare \u0026amp; Setting\u003cbr\u003e\nSpinel is well suited to jewelry wear. Clean with warm water, mild soap and a soft brush; avoid harsh chemicals and sudden temperature changes.\u003c\/p\u003e\n\n\u003cp\u003eDigital Gem Passport\u003cbr\u003e\nAccompanied by an Otzera Digital Gem Passport preserving its identifying details, origin and treatment disclosures, and O50 evaluation.\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51150481555703,"sku":"OTZ-2026-01645","price":1190.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01645-red-spinel-1.jpg?v=1789159330"},{"product_id":"blue-green-otz-2026-01646","title":"2.98 ct Namibian Blue-Green Tourmaline","description":"\u003cp\u003eCollector's Note\u003cbr\u003e\nA nearly three-carat natural tourmaline with a saturated blue-green appearance and an unusual buff-top cutting style. Its oval outline carries broad flashes of green and teal as the stone moves, while the 2.98 ct size gives it strong visual presence.\u003c\/p\u003e\n\n\u003cp\u003eGemstone Details\u003cbr\u003e\nGemstone: Natural Blue-Green Tourmaline\u003cbr\u003e\nSpecies: Natural Tourmaline\u003cbr\u003e\nWeight: 2.98 ct\u003cbr\u003e\nShape \/ Cut: Oval Buff Top Modified Brilliant Cut\u003cbr\u003e\nMeasurements: 10.00 x 8.47 x 5.87 mm\u003cbr\u003e\nOrigin: Namibia\u003cbr\u003e\nTreatment: Not documented\u003c\/p\u003e\n\n\u003cp\u003eO50 Collector Evaluation\u003cbr\u003e\nOtzera 50: 33\/50 — Collectible\u003cbr\u003e\nFace-Up Performance: 75%\u003c\/p\u003e\n\n\u003cp\u003eTreatment \u0026amp; Origin Disclosure\u003cbr\u003e\nThe current Otzera record lists Namibia as the geographic origin. No treatment or independent laboratory report is documented in the current record.\u003c\/p\u003e\n\n\u003cp\u003eCare \u0026amp; Setting\u003cbr\u003e\nTourmaline is suitable for jewelry wear with sensible care. Clean with warm water, mild soap and a soft brush; avoid sudden temperature changes and aggressive cleaning methods.\u003c\/p\u003e\n\n\u003cp\u003eDigital Gem Passport\u003cbr\u003e\nAccompanied by an Otzera Digital Gem Passport preserving its identifying details, origin and treatment disclosures, and O50 evaluation.\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51150481719543,"sku":"OTZ-2026-01646","price":1290.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01646-blue-green-tourmaline-1.jpg?v=1789159236"},{"product_id":"purple-spinel-otz-2026-01647","title":"1.28 ct Vietnamese Purple Spinel","description":"\u003cp\u003eCollector's Note\u003cbr\u003e\nA clean natural purple spinel from Vietnam with a precise round brilliant cut and lively face-up appearance. At 1.28 ct, the stone combines excellent transparency with flashes of violet and pink, making clarity and cutting its strongest collector attributes.\u003c\/p\u003e\n\n\u003cp\u003eGemstone Details\u003cbr\u003e\nGemstone: Natural Purple Spinel\u003cbr\u003e\nSpecies: Natural Spinel\u003cbr\u003e\nWeight: 1.28 ct\u003cbr\u003e\nShape \/ Cut: Round Brilliant Cut\u003cbr\u003e\nMeasurements: 7.05-7.07 x 4.05 mm\u003cbr\u003e\nOrigin: Vietnam\u003cbr\u003e\nTreatment: Not documented\u003c\/p\u003e\n\n\u003cp\u003eO50 Collector Evaluation\u003cbr\u003e\nOtzera 50: 34\/50 — Collectible\u003cbr\u003e\nFace-Up Performance: 75%\u003c\/p\u003e\n\n\u003cp\u003eTreatment \u0026amp; Origin Disclosure\u003cbr\u003e\nThe current Otzera record lists Vietnam as the geographic origin. No treatment or independent laboratory report is documented in the current record.\u003c\/p\u003e\n\n\u003cp\u003eCare \u0026amp; Setting\u003cbr\u003e\nSpinel is well suited to jewelry wear. Clean with warm water, mild soap and a soft brush; avoid harsh chemicals and sudden temperature changes.\u003c\/p\u003e\n\n\u003cp\u003eDigital Gem Passport\u003cbr\u003e\nAccompanied by an Otzera Digital Gem Passport preserving its identifying details, origin and treatment disclosures, and O50 evaluation.\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51150481752311,"sku":"OTZ-2026-01647","price":930.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01647-purple-spinel-1.jpg?v=1789159147"},{"product_id":"purple-spinel-otz-2026-01651","title":"1.70 ct Natural Purple Spinel","description":"\u003cp\u003eCollector's Note\u003cbr\u003e\nA natural purple spinel with a soft pinkish-purple appearance and a cushion modified brilliant cut. At 1.70 ct, the stone has a broad face-up presence with flashes of rose and violet that shift as it moves.\u003c\/p\u003e\n\n\u003cp\u003eGemstone Details\u003cbr\u003e\nGemstone: Natural Purple Spinel\u003cbr\u003e\nSpecies: Natural Spinel\u003cbr\u003e\nWeight: 1.70 ct\u003cbr\u003e\nShape \/ Cut: Cushion Modified Brilliant Cut\u003cbr\u003e\nMeasurements: 8.05 x 6.09 x 4.45 mm\u003cbr\u003e\nOrigin: Origin not determined\u003cbr\u003e\nTreatment: Not documented\u003c\/p\u003e\n\n\u003cp\u003eO50 Collector Evaluation\u003cbr\u003e\nOtzera 50: 29\/50 — Collectible\u003cbr\u003e\nFace-Up Performance: 70%\u003c\/p\u003e\n\n\u003cp\u003eTreatment \u0026amp; Origin Disclosure\u003cbr\u003e\nGeographic origin has not been determined in the current Otzera record. No treatment or independent laboratory report is documented in the current record.\u003c\/p\u003e\n\n\u003cp\u003eCare \u0026amp; Setting\u003cbr\u003e\nSpinel is well suited to jewelry wear. Clean with warm water, mild soap and a soft brush; avoid harsh chemicals and sudden temperature changes.\u003c\/p\u003e\n\n\u003cp\u003eDigital Gem Passport\u003cbr\u003e\nAccompanied by an Otzera Digital Gem Passport preserving its identifying details, treatment and origin disclosures, and O50 evaluation.\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51150481785079,"sku":"OTZ-2026-01651","price":699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01651-purple-spinel-1.jpg?v=1789159044"},{"product_id":"2-82-ct-natural-pinkish-purple-sapphire-gia-report","title":"2.82 ct Natural Pinkish Purple Sapphire — GIA Report","description":"\u003ch3\u003eCollector's Note\u003c\/h3\u003e\u003cp\u003eA substantial 2.82 ct natural sapphire with a lively pinkish-purple color and an elongated cushion outline. Its transparent appearance and bright mixed brilliant cutting give it strong visual presence, while the GIA report confirms natural corundum and heat treatment.\u003c\/p\u003e\u003ch3\u003eGemstone Details\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Natural Pinkish Purple Sapphire\u003cbr\u003e\u003cstrong\u003eSpecies:\u003c\/strong\u003e Natural Corundum\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.82 ct\u003cbr\u003e\u003cstrong\u003eShape \/ Cut:\u003c\/strong\u003e Cushion Modified Brilliant Cut\u003cbr\u003e\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 9.36 × 6.71 × 5.13 mm\u003cbr\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e Heated\u003c\/p\u003e\u003ch3\u003eO50 Collector Evaluation\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eOtzera 50:\u003c\/strong\u003e 33\/50 — Collectible\u003cbr\u003e\u003cstrong\u003eFace-Up Performance:\u003c\/strong\u003e 75%\u003c\/p\u003e\u003ch3\u003eTreatment \u0026amp; Origin Disclosure\u003c\/h3\u003e\u003cp\u003eGIA Report 2191856139 identifies the stone as natural corundum, sapphire, pinkish purple, heated. Geographic origin was not requested.\u003c\/p\u003e\u003ch3\u003eLaboratory Documentation\u003c\/h3\u003e\u003cp\u003eAccompanied by GIA Sapphire Report 2191856139, dated November 27, 2018.\u003c\/p\u003e\u003ch3\u003eCare \u0026amp; Setting\u003c\/h3\u003e\u003cp\u003eCorundum is highly durable and suitable for everyday jewelry with normal care. Clean with warm water, mild soap and a soft brush.\u003c\/p\u003e\u003ch3\u003eDigital Gem Passport\u003c\/h3\u003e\u003cp\u003eAccompanied by an Otzera Digital Gem Passport preserving its identifying details, disclosures and O50 evaluation.\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51159530701047,"sku":"OTZ-2026-01652","price":3650.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01652-purple-sapphire-1.jpg?v=1789354433"},{"product_id":"1-40-ct-vietnamese-ruby-gia-origin-report","title":"1.40 ct Vietnamese Ruby — GIA Origin Report","description":"\u003ch3\u003eCollector's Note\u003c\/h3\u003e\u003cp\u003eA vivid purple-red natural ruby from Vietnam with strong transparency and a compact cushion mixed cut. At 1.40 ct, the stone combines documented Vietnamese origin with lively color and a clean face-up appearance.\u003c\/p\u003e\u003ch3\u003eGemstone Details\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Natural Ruby\u003cbr\u003e\u003cstrong\u003eSpecies:\u003c\/strong\u003e Natural Corundum\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.40 ct\u003cbr\u003e\u003cstrong\u003eShape \/ Cut:\u003c\/strong\u003e Cushion Mixed Cut\u003cbr\u003e\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 5.86 × 5.32 × 4.44 mm\u003cbr\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Vietnam\u003cbr\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e Heated\u003c\/p\u003e\u003ch3\u003eO50 Collector Evaluation\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eOtzera 50:\u003c\/strong\u003e 37\/50 — Distinguished\u003cbr\u003e\u003cstrong\u003eFace-Up Performance:\u003c\/strong\u003e 85%\u003c\/p\u003e\u003ch3\u003eTreatment \u0026amp; Origin Disclosure\u003c\/h3\u003e\u003cp\u003eGIA Sapphire Origin Report 6204859040 identifies the stone as natural corundum, natural ruby, purple-red, of Vietnamese geographic origin, heated.\u003c\/p\u003e\u003ch3\u003eLaboratory Documentation\u003c\/h3\u003e\u003cp\u003eAccompanied by GIA Sapphire Origin Report 6204859040, dated February 1, 2020.\u003c\/p\u003e\u003ch3\u003eCare \u0026amp; Setting\u003c\/h3\u003e\u003cp\u003eRuby is highly durable and suitable for everyday jewelry with normal care. Clean with warm water, mild soap and a soft brush.\u003c\/p\u003e\u003ch3\u003eDigital Gem Passport\u003c\/h3\u003e\u003cp\u003eAccompanied by an Otzera Digital Gem Passport preserving its identifying details, origin and treatment disclosures, and O50 evaluation.\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51159530733815,"sku":"OTZ-2026-01653","price":2400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01653-vietnam-ruby-1.jpg?v=1789354326"},{"product_id":"4-06-ct-ceylon-blue-sapphire-gia-origin-report","title":"4.06 ct Ceylon Blue Sapphire — GIA Origin Report","description":"\u003ch3\u003eCollector's Note\u003c\/h3\u003e\u003cp\u003eA substantial 4.06 ct natural blue sapphire from Sri Lanka with a classic cushion mixed cut and strong face-up presence. Its saturated blue appearance, excellent transparency and documented Ceylon origin make provenance and size meaningful parts of its collector appeal.\u003c\/p\u003e\u003ch3\u003eGemstone Details\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Natural Blue Sapphire\u003cbr\u003e\u003cstrong\u003eSpecies:\u003c\/strong\u003e Natural Corundum\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 4.06 ct\u003cbr\u003e\u003cstrong\u003eShape \/ Cut:\u003c\/strong\u003e Cushion Mixed Cut\u003cbr\u003e\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 9.92 × 7.16 × 5.41 mm\u003cbr\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Sri Lanka (Ceylon)\u003cbr\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e Heated\u003c\/p\u003e\u003ch3\u003eO50 Collector Evaluation\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eOtzera 50:\u003c\/strong\u003e 39\/50 — Distinguished\u003cbr\u003e\u003cstrong\u003eFace-Up Performance:\u003c\/strong\u003e 80%\u003c\/p\u003e\u003ch3\u003eTreatment \u0026amp; Origin Disclosure\u003c\/h3\u003e\u003cp\u003eGIA Sapphire Origin Report 1216818065 identifies the stone as natural corundum, blue sapphire, of Sri Lankan geographic origin, heated.\u003c\/p\u003e\u003ch3\u003eLaboratory Documentation\u003c\/h3\u003e\u003cp\u003eAccompanied by GIA Sapphire Origin Report 1216818065, dated June 30, 2021.\u003c\/p\u003e\u003ch3\u003eCare \u0026amp; Setting\u003c\/h3\u003e\u003cp\u003eSapphire is highly durable and suitable for everyday jewelry with normal care. Clean with warm water, mild soap and a soft brush.\u003c\/p\u003e\u003ch3\u003eDigital Gem Passport\u003c\/h3\u003e\u003cp\u003eAccompanied by an Otzera Digital Gem Passport preserving its identifying details, origin and treatment disclosures, and O50 evaluation.\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51159530766583,"sku":"OTZ-2026-01654","price":8900.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01654-ceylon-blue-sapphire-1.jpg?v=1789354081"},{"product_id":"1-00-ct-unheated-natural-ruby","title":"1.00 ct Unheated Natural Ruby","description":"\u003cp\u003e\u003cstrong\u003eCollector's Note\u003c\/strong\u003e\u003cbr\u003eA vivid slightly purplish-red natural ruby with the added collector appeal of no evidence of heat. At exactly 1.00 ct, the stone combines strong saturation, a pleasing oval outline and is a great introduction to ruby.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGemstone Details\u003c\/strong\u003e\u003cbr\u003eGemstone: Natural Ruby\u003cbr\u003eSpecies: Natural Corundum\u003cbr\u003eWeight: 1.00 ct\u003cbr\u003eShape \/ Cut: Oval Mixed Cut\u003cbr\u003eMeasurements: 6.30 × 5.20 × 3.44 mm\u003cbr\u003eColor: Vivid Slightly Purplish Red\u003cbr\u003eClarity: Slightly Included\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eO50 Collector Evaluation\u003c\/strong\u003e\u003cbr\u003eOtzera 50: 36\/50 — Distinguished\u003cbr\u003eFace-Up Performance: 78%\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTreatment \u0026amp; Origin Disclosure\u003c\/strong\u003e\u003cbr\u003eProfessional Gem Sciences Laboratory reported no evidence of heat.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLaboratory Documentation\u003c\/strong\u003e\u003cbr\u003eAccompanied by Professional Gem Sciences Laboratory Carte Blu Report No. 45020205, dated March 5, 2020.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCare \u0026amp; Setting\u003c\/strong\u003e\u003cbr\u003eRuby is well suited to jewelry wear. Clean with warm water, mild soap and a soft brush; avoid harsh chemicals and sudden temperature changes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDigital Gem Passport\u003c\/strong\u003e\u003cbr\u003eAccompanied by an Otzera Digital Gem Passport preserving its identifying details, laboratory documentation, treatment disclosure and O50 evaluation.\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51159565631735,"sku":"OTZ-2026-01655","price":1600.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01655-natural-ruby-4.jpg?v=1789353939"},{"product_id":"1-38-ct-ceylon-yellow-sapphire","title":"1.38 ct Ceylon Yellow Sapphire","description":"\u003cp\u003e\u003cstrong\u003eCollector's Note\u003c\/strong\u003e\u003cbr\u003eA vivid natural yellow sapphire from Sri Lanka with a bright oval mixed cut and strong face-up performance. At 1.38 ct, saturated yellow color and documented Ceylon provenance are the principal collector attributes.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGemstone Details\u003c\/strong\u003e\u003cbr\u003eGemstone: Natural Yellow Sapphire\u003cbr\u003eSpecies: Natural Corundum\u003cbr\u003eWeight: 1.38 ct\u003cbr\u003eShape \/ Cut: Oval Mixed Cut\u003cbr\u003eMeasurements: 7.90 × 5.39 × 3.84 mm\u003cbr\u003eOrigin: Sri Lanka (Ceylon)\u003cbr\u003eTreatment: Heated\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eO50 Collector Evaluation\u003c\/strong\u003e\u003cbr\u003eOtzera 50: 36\/50 — Distinguished\u003cbr\u003eFace-Up Performance: 90%\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTreatment \u0026amp; Origin Disclosure\u003c\/strong\u003e\u003cbr\u003eThe current Otzera record lists Sri Lanka (Ceylon) as geographic origin and heat treatment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCare \u0026amp; Setting\u003c\/strong\u003e\u003cbr\u003eSapphire is highly durable and well suited to jewelry wear. Clean with warm water, mild soap and a soft brush.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDigital Gem Passport\u003c\/strong\u003e\u003cbr\u003eAccompanied by an Otzera Digital Gem Passport preserving its identifying details, origin and treatment disclosures, and O50 evaluation.\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51159570678007,"sku":"OTZ-2026-01648","price":825.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01648-ceylon-yellow-sapphire-1.jpg?v=1789353759"},{"product_id":"3-19-ct-raspberry-rhodolite-garnet","title":"3.19 ct Raspberry Rhodolite Garnet","description":"\u003cp\u003e\u003cstrong\u003eCollector's Note\u003c\/strong\u003e\u003cbr\u003eA substantial 3.19 ct rhodolite garnet with an appealing raspberry color and an unusual pear-shaped buff-top mixed cut. The combination of size, transparency and distinctive cutting gives the stone a character beyond a conventional rhodolite.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGemstone Details\u003c\/strong\u003e\u003cbr\u003eGemstone: Raspberry Rhodolite Garnet\u003cbr\u003eSpecies: Garnet\u003cbr\u003eWeight: 3.19 ct\u003cbr\u003eShape \/ Cut: Pear Shape Buff Top Mixed Cut\u003cbr\u003eMeasurements: 10.19 × 7.75 × 5.84 mm\u003cbr\u003eTreatment: No treatment documented\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eO50 Collector Evaluation\u003c\/strong\u003e\u003cbr\u003eOtzera 50: 32\/50 — Collectible\u003cbr\u003eFace-Up Performance: 78%\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCare \u0026amp; Setting\u003c\/strong\u003e\u003cbr\u003eGarnet is suitable for jewelry wear with sensible care. Clean with warm water, mild soap and a soft brush; avoid harsh chemicals and sudden temperature changes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDigital Gem Passport\u003c\/strong\u003e\u003cbr\u003eAccompanied by an Otzera Digital Gem Passport preserving its identifying details, disclosures and O50 evaluation.\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51159570710775,"sku":"OTZ-2026-01649","price":1088.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01649-raspberry-rhodolite-garnet-1.jpg?v=1789353564"},{"product_id":"1-20-ct-brazilian-blue-green-tourmaline","title":"1.20 ct Brazilian Blue-Green Tourmaline","description":"\u003cp\u003e\u003cstrong\u003eCollector's Note\u003c\/strong\u003e\u003cbr\u003eA natural blue-green tourmaline from Brazil with an oval modified brilliant cut and an attractive balance of blue and green. At 1.20 ct, its transparent appearance and lively mixed color give it an easy, versatile collector appeal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGemstone Details\u003c\/strong\u003e\u003cbr\u003eGemstone: Natural Blue-Green Tourmaline\u003cbr\u003eSpecies: Natural Tourmaline\u003cbr\u003eWeight: 1.20 ct\u003cbr\u003eShape \/ Cut: Oval Modified Brilliant Cut\u003cbr\u003eMeasurements: 7.38 × 6.14 × 3.96 mm\u003cbr\u003eOrigin: Brazil\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eO50 Collector Evaluation\u003c\/strong\u003e\u003cbr\u003eOtzera 50: 34\/50 — Collectible\u003cbr\u003eFace-Up Performance: 75%\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003cbr\u003eBrazil.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCare \u0026amp; Setting\u003c\/strong\u003e\u003cbr\u003eTourmaline is suitable for jewelry wear with sensible care. Clean with warm water, mild soap and a soft brush; avoid ultrasonic cleaning, harsh chemicals and sudden temperature changes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDigital Gem Passport\u003c\/strong\u003e\u003cbr\u003eAccompanied by an Otzera Digital Gem Passport preserving its identifying details and O50 evaluation.\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51159592698103,"sku":"OTZ-2026-01650","price":760.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01650-blue-green-tourmaline-1.jpg?v=1789355587"},{"product_id":"1-00-ct-blue-emerald-cut-sapphire","title":"1.00 ct Blue Emerald-Cut Sapphire","description":"\u003ch3\u003eCollector's Note\u003c\/h3\u003e\u003cp\u003eDeep blue color and the crisp geometry of an emerald cut give this 1.00 ct natural sapphire a refined, architectural look. The stone is eye-clean in normal viewing and shows brighter blue flashes as it moves, giving a compact one-carat gem strong visual character.\u003c\/p\u003e\u003ch3\u003eGemstone Details\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Natural Blue Sapphire\u003cbr\u003e\u003cstrong\u003eSpecies:\u003c\/strong\u003e Corundum\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.00 ct\u003cbr\u003e\u003cstrong\u003eShape \/ Cut:\u003c\/strong\u003e Emerald Cut\u003cbr\u003e\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 5.88 × 4.65 × 3.67 mm\u003cbr\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e Heated\u003cbr\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Surface abrasion from prior wear is present around the table.\u003c\/p\u003e\u003ch3\u003eO50 Collector Evaluation\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eOtzera 50:\u003c\/strong\u003e 33\/50 — Collectible\u003cbr\u003e\u003cstrong\u003eFace-Up Performance:\u003c\/strong\u003e 78%\u003c\/p\u003e\u003ch3\u003eTreatment \u0026amp; Origin Disclosure\u003c\/h3\u003e\u003cp\u003eHeat treatment is recorded for this sapphire. No geographic origin is assigned in the current Otzera record.\u003c\/p\u003e\u003ch3\u003eCare \u0026amp; Setting\u003c\/h3\u003e\u003cp\u003eSapphire is highly durable and well suited to jewelry wear. Clean with warm water, mild soap and a soft brush.\u003c\/p\u003e\u003ch3\u003eDigital Gem Passport\u003c\/h3\u003e\u003cp\u003eAccompanied by an Otzera Digital Gem Passport preserving its identifying details, treatment disclosure and O50 evaluation.\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51187941310711,"sku":"OTZ-2026-01660","price":725.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01660-blue-sapphire-1_1599858f-7e87-4a54-8813-359488ca87f2.jpg?v=1789877287"},{"product_id":"6-75-ct-pear-cut-tanzanite","title":"6.75 ct Pear-Cut Tanzanite","description":"\u003ch3\u003eCollector's Note\u003c\/h3\u003e\u003cp\u003eA substantial 6.75 ct natural tanzanite with a pear-shaped mixed cut and rich violet-blue appearance. Its generous size gives the stone strong presence, while the rounded pear outline and bright flashes across the crown make it especially suited to a statement ring or pendant.\u003c\/p\u003e\u003ch3\u003eGemstone Details\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Natural Tanzanite\u003cbr\u003e\u003cstrong\u003eSpecies:\u003c\/strong\u003e Zoisite\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 6.75 ct\u003cbr\u003e\u003cstrong\u003eShape \/ Cut:\u003c\/strong\u003e Pear Mixed Cut\u003cbr\u003e\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 11.61 × 10.66 × 8.10 mm\u003cbr\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Tanzania\u003cbr\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Some facet abrasion is present.\u003c\/p\u003e\u003ch3\u003eO50 Collector Evaluation\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eOtzera 50:\u003c\/strong\u003e 36\/50 — Distinguished\u003cbr\u003e\u003cstrong\u003eFace-Up Performance:\u003c\/strong\u003e 80%\u003c\/p\u003e\u003ch3\u003eTreatment \u0026amp; Origin Disclosure\u003c\/h3\u003e\u003cp\u003eThe current Otzera record lists Tanzania as the geographic origin.\u003c\/p\u003e\u003ch3\u003eCare \u0026amp; Setting\u003c\/h3\u003e\u003cp\u003eTanzanite is best suited to thoughtful wear. Clean with warm water, mild soap and a soft brush; avoid ultrasonic cleaning, sharp impacts and sudden temperature changes.\u003c\/p\u003e\u003ch3\u003eDigital Gem Passport\u003c\/h3\u003e\u003cp\u003eAccompanied by an Otzera Digital Gem Passport preserving its identifying details, origin disclosure and O50 evaluation.\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51187941736695,"sku":"OTZ-2026-01661","price":3650.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01661-tanzanite-1_3b66cd36-4462-4b79-8a37-d4da55d99344.jpg?v=1789846225"},{"product_id":"1-82-ct-purplish-red-natural-ruby-pgs-report","title":"1.82 ct Purplish Red Natural Ruby — PGS Report","description":"\u003ch3\u003eCollector's Note\u003c\/h3\u003e\u003cp\u003eA vivid purplish-red natural ruby with an elongated oval outline and a substantial 1.82 ct weight. The stone shows strong color across the face and is accompanied by Professional Gem Sciences Laboratory documentation, giving the listing a useful independent record of its identity, clarity, cut and traditional heat treatment.\u003c\/p\u003e\u003ch3\u003eGemstone Details\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Natural Ruby\u003cbr\u003e\u003cstrong\u003eSpecies:\u003c\/strong\u003e Natural Corundum\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.82 ct\u003cbr\u003e\u003cstrong\u003eShape \/ Cut:\u003c\/strong\u003e Oval Mixed Cut\u003cbr\u003e\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 9.04 × 6.30 × 3.32 mm\u003cbr\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Vivid Purplish Red\u003cbr\u003e\u003cstrong\u003eClarity:\u003c\/strong\u003e Slightly Included\u003cbr\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e Heat (Traditional)\u003c\/p\u003e\u003ch3\u003eO50 Collector Evaluation\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eOtzera 50:\u003c\/strong\u003e 29\/50 — Collectible\u003cbr\u003e\u003cstrong\u003eFace-Up Performance:\u003c\/strong\u003e 73%\u003c\/p\u003e\u003ch3\u003eTreatment \u0026amp; Origin Disclosure\u003c\/h3\u003e\u003cp\u003eProfessional Gem Sciences Laboratory records traditional heat treatment. No geographic origin is stated on the accompanying report.\u003c\/p\u003e\u003ch3\u003eLaboratory Documentation\u003c\/h3\u003e\u003cp\u003eAccompanied by Professional Gem Sciences Laboratory Carte Blu Report No. 45020133, dated March 5, 2020.\u003c\/p\u003e\u003ch3\u003eCare \u0026amp; Setting\u003c\/h3\u003e\u003cp\u003eRuby is highly durable and well suited to jewelry wear. Clean with warm water, mild soap and a soft brush.\u003c\/p\u003e\u003ch3\u003eDigital Gem Passport\u003c\/h3\u003e\u003cp\u003eAccompanied by an Otzera Digital Gem Passport preserving its identifying details, laboratory documentation, treatment disclosure and O50 evaluation.\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51187947110647,"sku":"OTZ-2026-01662","price":3690.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01662-natural-ruby-1_b4a53f2f-01a7-4da8-b431-24e12129c1fe.jpg?v=1789846262"},{"product_id":"3-85-ct-golden-beryl-heliodor","title":"3.85 ct Golden Beryl — Heliodor","description":"\u003ch3\u003eCollector's Note\u003c\/h3\u003e\u003cp\u003eWarm golden-yellow color and a lively cushion modified brilliant cut define this 3.85 ct natural heliodor. The stone has strong face-up brightness and an appealing broad outline, giving it an easy, sunny presence that works equally well for a collector or a custom jewelry project.\u003c\/p\u003e\u003ch3\u003eGemstone Details\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Natural Golden Beryl (Heliodor)\u003cbr\u003e\u003cstrong\u003eSpecies:\u003c\/strong\u003e Beryl\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.85 ct\u003cbr\u003e\u003cstrong\u003eShape \/ Cut:\u003c\/strong\u003e Cushion Modified Brilliant\u003cbr\u003e\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 11.02 × 9.02 × 6.21 mm\u003cbr\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Golden Yellow\u003cbr\u003e\u003cstrong\u003eClarity:\u003c\/strong\u003e A faint fingerprint inclusion is visible under magnification.\u003c\/p\u003e\u003ch3\u003eO50 Collector Evaluation\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eOtzera 50:\u003c\/strong\u003e 34\/50 — Collectible\u003cbr\u003e\u003cstrong\u003eFace-Up Performance:\u003c\/strong\u003e 90%\u003c\/p\u003e\u003ch3\u003eCare \u0026amp; Setting\u003c\/h3\u003e\u003cp\u003eBeryl is suitable for jewelry wear with sensible care. Clean with warm water, mild soap and a soft brush; avoid sharp impacts and harsh chemicals.\u003c\/p\u003e\u003ch3\u003eDigital Gem Passport\u003c\/h3\u003e\u003cp\u003eAccompanied by an Otzera Digital Gem Passport preserving its identifying details and O50 evaluation.\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51187947831543,"sku":"OTZ-2026-01663","price":489.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01663-golden-beryl-heliodor-1_f72e469d-d4f1-486f-b5d7-1bb2227d54f9.jpg?v=1789846308"},{"product_id":"matched-pair-of-tourmalinated-quartz-obelisks","title":"Matched Pair of Tourmalinated Quartz Obelisks","description":"\u003ch3\u003eCollector's Note\u003c\/h3\u003e\u003cp\u003eA striking matched pair of tourmalinated rock crystal obelisks, each filled with dense, fine needle-like tourmaline inclusions. The two pieces mirror one another beautifully in shape and internal patterning, giving the pair a graphic, almost painterly character that makes them especially appealing as a collector display or an unconventional jewelry design element.\u003c\/p\u003e\u003ch3\u003eGemstone Details\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Tourmalinated Quartz Pair\u003cbr\u003e\u003cstrong\u003eSpecies:\u003c\/strong\u003e Quartz\u003cbr\u003e\u003cstrong\u003eVariety:\u003c\/strong\u003e Tourmalinated Rock Crystal\u003cbr\u003e\u003cstrong\u003eForm \/ Cut:\u003c\/strong\u003e Polished Obelisk Pair\u003cbr\u003e\u003cstrong\u003eMeasurements:\u003c\/strong\u003e Approximately 31.5 × 10.97 × 6.13 mm\u003cbr\u003e\u003cstrong\u003eBody Color:\u003c\/strong\u003e Colorless\u003cbr\u003e\u003cstrong\u003eInclusions:\u003c\/strong\u003e Fine tubular tourmaline visible throughout\u003cbr\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None\u003c\/p\u003e\u003ch3\u003eCollector Significance\u003c\/h3\u003e\u003cp\u003eThe appeal of tourmalinated quartz lies in the natural contrast between transparent rock crystal and its included tourmaline needles. As a closely matched pair, these pieces offer additional design and display versatility.\u003c\/p\u003e\u003ch3\u003eCare \u0026amp; Setting\u003c\/h3\u003e\u003cp\u003eQuartz is suitable for jewelry and display with normal care. Clean with warm water, mild soap and a soft brush; avoid sharp impacts and harsh chemicals.\u003c\/p\u003e\u003ch3\u003eDigital Gem Passport\u003c\/h3\u003e\u003cp\u003eAccompanied by an Otzera Digital Gem Passport preserving the pair's identifying details and treatment disclosure.\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51188069368055,"sku":"OTZ-2026-00327","price":950.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-00327-tourmalated-quartz-pair-2.jpg?v=1789851416"},{"product_id":"australian-boulder-opal-suite-matched-pair-crescent","title":"Australian Boulder Opal Suite — Matched Pair + Crescent","description":"\u003ch3\u003eCollector's Note\u003c\/h3\u003e\u003cp\u003eA distinctive three-piece Australian boulder opal suite combining a matched pair of rounded cabochons with a larger crescent-shaped centerpiece. Natural ironstone matrix frames flashes of green, blue, yellow and orange play-of-color, giving each piece an organic pattern while the suite reads as a cohesive set.\u003c\/p\u003e\u003ch3\u003eGemstone Details\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Boulder Opal Suite\u003cbr\u003e\u003cstrong\u003eSpecies:\u003c\/strong\u003e Opal\u003cbr\u003e\u003cstrong\u003ePieces:\u003c\/strong\u003e Three — matched pair plus crescent centerpiece\u003cbr\u003e\u003cstrong\u003eCut:\u003c\/strong\u003e Cabochon\u003cbr\u003e\u003cstrong\u003eCenterpiece Measurements:\u003c\/strong\u003e 36.0 × 11.3 × 4.2 mm\u003cbr\u003e\u003cstrong\u003eMatched Pair Measurements:\u003c\/strong\u003e Approximately 15.9 × 15.0 × 5.6 mm each\u003cbr\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Orange, green, blue and yellow play-of-color\u003cbr\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Australia\u003cbr\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None\u003c\/p\u003e\u003ch3\u003eCollector Significance\u003c\/h3\u003e\u003cp\u003eThe natural matrix patterns give the suite a one-of-a-kind character, while the coordinated shapes make it especially appealing for a bespoke jewelry composition or as a complete collector set.\u003c\/p\u003e\u003ch3\u003eCare \u0026amp; Setting\u003c\/h3\u003e\u003cp\u003eOpal requires gentler care than crystalline gemstones. Keep away from high heat, harsh chemicals and sharp impacts, and clean only with a soft damp cloth or mild soapy water.\u003c\/p\u003e\u003ch3\u003eDigital Gem Passport\u003c\/h3\u003e\u003cp\u003eAccompanied by an Otzera Digital Gem Passport preserving the suite's identifying details, Australian origin and treatment disclosure.\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51188069728503,"sku":"OTZ-2026-00328","price":2950.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-00328-boulder-opal-suite-1.jpg?v=1789851426"},{"product_id":"1-44-ct-tanzanian-tanzanite","title":"1.44 ct Tanzanian Tanzanite","description":"\u003ch3\u003eCollector's Note\u003c\/h3\u003e\u003cp\u003eA lively 1.44 ct natural tanzanite from Tanzania with a classic oval modified brilliant cut and an appealing blue-violet appearance. Its transparent body and crisp oval outline make it an easy size for jewelry while retaining the distinctive color character that makes tanzanite so recognizable.\u003c\/p\u003e\u003ch3\u003eGemstone Details\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Natural Tanzanite\u003cbr\u003e\u003cstrong\u003eSpecies:\u003c\/strong\u003e Zoisite\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.44 ct\u003cbr\u003e\u003cstrong\u003eShape \/ Cut:\u003c\/strong\u003e Oval Modified Brilliant\u003cbr\u003e\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 8.35 × 6.49 × 3.99 mm\u003cbr\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Tanzania\u003c\/p\u003e\u003ch3\u003eO50 Collector Evaluation\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eOtzera 50:\u003c\/strong\u003e 32\/50 — Collectible\u003cbr\u003e\u003cstrong\u003eFace-Up Performance:\u003c\/strong\u003e 70%\u003c\/p\u003e\u003ch3\u003eTreatment \u0026amp; Origin Disclosure\u003c\/h3\u003e\u003cp\u003eThe current Otzera record lists Tanzania as the geographic origin.\u003c\/p\u003e\u003ch3\u003eCare \u0026amp; Setting\u003c\/h3\u003e\u003cp\u003eTanzanite is best suited to thoughtful wear. Clean with warm water, mild soap and a soft brush; avoid ultrasonic cleaning, sharp impacts and sudden temperature changes.\u003c\/p\u003e\u003ch3\u003eDigital Gem Passport\u003c\/h3\u003e\u003cp\u003eAccompanied by an Otzera Digital Gem Passport preserving its identifying details, origin disclosure and O50 evaluation.\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51188069957879,"sku":"OTZ-2026-01664","price":425.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01664-tanzanite-1.jpg?v=1789851433"}],"url":"https:\/\/otzera.com\/collections\/all-gemstones.oembed","provider":"Otzera","version":"1.0","type":"link"}