{"product_id":"1-51-ct-blue-sapphire-oval-mixed-cut-1","title":"1.51 ct Deep Blue Sapphire — Oval Mixed Cut","description":"\u003ch2\u003eCollector’s Note\u003c\/h2\u003e\u003cp\u003eDeep blue color and a graceful oval shape give this 1.51 ct natural sapphire a classic appeal. Its mixed cut reveals blue flashes as the viewing angle changes, and the elongated outline offers an elegant presence at 7.9 mm long. A versatile stone for a personal collection or a bespoke ring or pendant.\u003c\/p\u003e\u003ch2\u003eGemstone Details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGemstone: Natural blue sapphire\u003c\/li\u003e\n\u003cli\u003eSpecies: Corundum\u003c\/li\u003e\n\u003cli\u003eWeight: 1.51 ct\u003c\/li\u003e\n\u003cli\u003eShape \/ Cut: Oval Mixed Cut\u003c\/li\u003e\n\u003cli\u003eMeasurements: 7.9 x 6.0 x 3.5 mm\u003c\/li\u003e\n\u003cli\u003eTreatment: Heated\u003c\/li\u003e\n\u003cli\u003eOtzera ID: OTZ-2026-01764\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eOtzera 50\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e29\/50 — Collectible\u003c\/strong\u003e\u003cbr\u003eFace-Up Performance Index: 70%\u003c\/p\u003e\u003ch2\u003eCare\u003c\/h2\u003e\u003cp\u003eClean with lukewarm water, mild soap and a soft brush. Protect from hard knocks and sudden temperature changes.\u003c\/p\u003e\u003cp\u003ePhotographs show this individual gemstone. Color may vary with lighting and screen settings.\u003c\/p\u003e\u003ch2\u003eDigital Gem Passport\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"https:\/\/otzera.com\/pages\/passport\/otz-2026-01764\"\u003eView this gemstone’s Digital Gem Passport\u003c\/a\u003e for its permanent record and Otzera 50 evaluation.\u003c\/p\u003e","brand":"Otzera","offers":[{"title":"Default Title","offer_id":51504031858935,"sku":"OTZ-2026-01764","price":695.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/OTZ-2026-01764-1-4k.jpg?v=1793202595","url":"https:\/\/otzera.com\/products\/1-51-ct-blue-sapphire-oval-mixed-cut-1","provider":"Otzera","version":"1.0","type":"link"}