{"title":"Purple Gemstones","description":"\u003cp\u003ePurple and violet gemstones from the Otzera collection, including unheated Ceylon sapphire.\u003c\/p\u003e","products":[{"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":"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":"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":"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":"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":"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":"1-82-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"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/collections\/OTZ-2026-01627-a.jpg?v=1786969648","url":"https:\/\/otzera.com\/collections\/purple-gemstones.oembed","provider":"Otzera","version":"1.0","type":"link"}