{"product_id":"9-65-ct-vivid-blue-violet-tanzanite-pgs-report","title":"9.65 ct Vivid Blue-Violet Tanzanite — PGS Report","description":"\u003cp\u003e\u003cstrong\u003eCollector's Note\u003c\/strong\u003e\u003cbr\u003eA nearly 10-carat tanzanite with the kind of color and presence that immediately commands attention. The stone shows a vivid blue face-up appearance with violet flashes from certain angles, excellent transparency and a completely eye-clean presentation. Its cushion mixed cut delivers strong light return and a broad, balanced face-up spread.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGemstone Details\u003c\/strong\u003e\u003cbr\u003eGemstone: Natural Tanzanite\u003cbr\u003eSpecies: Zoisite\u003cbr\u003eWeight: 9.65 ct\u003cbr\u003eShape \/ Cut: Cushion Mixed Cut \u003cbr\u003eMeasurements: 14.11 × 10.35 × 8.18 mm\u003cbr\u003eColor: Vivid Blue with Violet Flashes\u003cbr\u003eTransparency \/ Clarity: Transparent \/ Eye-Clean\u003cbr\u003eOrigin: Tanzania\u003cbr\u003eTreatment: Heated (standard for tanzanite)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eO50 Collector Evaluation\u003c\/strong\u003e\u003cbr\u003eOtzera 50 Score: \u003cstrong\u003e46 — Exceptional\u003c\/strong\u003e\u003cbr\u003eFace-Up Performance: 93%\u003cbr\u003eThis stone stands out for its saturated color, excellent transparency, strong optical performance and substantial near-10-carat size.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLaboratory Documentation\u003c\/strong\u003e\u003cbr\u003eAccompanied by Professional Gem Sciences Laboratory Report No. 43060109.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTreatment\u003c\/strong\u003e\u003cbr\u003eTanzanite is gently warmed after mining to bring out its blue-violet color. This has been standard practice since the gem was found in Tanzania in 1967, and it is how all tanzanite is valued. The color is permanent and stable and needs no special care.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCare \u0026amp; Setting\u003c\/strong\u003e\u003cbr\u003eTanzanite should be protected from sharp impacts and sudden temperature changes. Clean with warm water, mild soap and a soft brush. Avoid ultrasonic and steam cleaning.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDigital Gem Passport\u003c\/strong\u003e\u003cbr\u003eAccompanied by an Otzera Digital Gem Passport preserving the gemstone's identifying details, O50 evaluation and laboratory documentation.\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51218068144375,"sku":"OTZ-2026-01694","price":14475.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01694-tanzanite-1.jpg?v=1790484086","url":"https:\/\/otzera.com\/products\/9-65-ct-vivid-blue-violet-tanzanite-pgs-report","provider":"Otzera","version":"1.0","type":"link"}