{"title":"Rare \u0026 Exceptional","description":"\u003cp\u003eA focused selection of gemstones distinguished by unusual rarity, origin, quality, provenance, treatment status or collector significance. Supporting laboratory documentation is identified clearly whenever available.\u003c\/p\u003e","products":[{"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":"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":"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"}],"url":"https:\/\/otzera.com\/collections\/rare-exceptional.oembed","provider":"Otzera","version":"1.0","type":"link"}