{"title":"Green Gemstones","description":"\u003cp\u003eGreen gemstones from the Otzera collection, including Colombian emerald.\u003c\/p\u003e","products":[{"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":"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":"1-70-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":"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":"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":"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":"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"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/collections\/2.48emerald.png?v=1786969647","url":"https:\/\/otzera.com\/collections\/green-gemstones.oembed","provider":"Otzera","version":"1.0","type":"link"}