{"product_id":"2-77-ct-unheated-australian-parti-sapphire-radiant-cut","title":"2.77 ct Unheated Australian Parti Sapphire — Radiant Cut","description":"\u003cp\u003e\u003cstrong\u003eCollector's Note\u003c\/strong\u003e\u003cbr\u003eA highly distinctive Australian parti-colored sapphire with deep rich blue, a concentrated yellow zone and flashes of green. The nearly square radiant cut is remarkably well made, giving the stone strong structure, crisp symmetry and lively optical performance while preserving its natural multi-color zoning.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGemstone Details\u003c\/strong\u003e\u003cbr\u003eGemstone: Natural Parti-Colored Sapphire\u003cbr\u003eSpecies: Corundum\u003cbr\u003eWeight: 2.77 ct\u003cbr\u003eShape \/ Cut: Radiant Cut\u003cbr\u003eMeasurements: 8.05 × 7.99 × 5.26 mm \u003cbr\u003eColor: Deep Blue, Yellow and Green Parti-Color\u003cbr\u003eOrigin: Australia\u003cbr\u003eTreatment: No Heat\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eO50 Collector Evaluation\u003c\/strong\u003e\u003cbr\u003eOtzera 50: \u003cstrong\u003e40 — Distinguished\u003c\/strong\u003e\u003cbr\u003eFace-Up Performance: 83%\u003cbr\u003eThe stone received particularly strong marks for cut and optical performance, reflecting its successful radiant-style faceting and balanced presentation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTreatment \u0026amp; Origin Disclosure\u003c\/strong\u003e\u003cbr\u003eThe current Otzera evaluation records Australian origin and no heat treatment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCare \u0026amp; Setting\u003c\/strong\u003e\u003cbr\u003eSapphire is highly durable and suitable for jewelry wear. Clean with warm water, mild soap and a soft brush.\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, origin and treatment disclosures, and O50 evaluation.\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51218158518519,"sku":"OTZ-2026-01697","price":4925.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01697-parti-sapphire-1.jpg?v=1790377050","url":"https:\/\/otzera.com\/products\/2-77-ct-unheated-australian-parti-sapphire-radiant-cut","provider":"Otzera","version":"1.0","type":"link"}