{"product_id":"gia-certified-8-69-carat-cabochon-black-opal-diamond-in-platinum-cocktail-ring","title":"GIA Certified 8.69 Carat Cabochon Black Opal \u0026 Diamond in Platinum Cocktail Ring","description":"\u003cdiv\u003eGIA-certified 8.69 carat oval cabochon black opal with no color treatment and 1.78 carat total weight baguette diamond ballerina halo in platinum 900 cocktail ring. \u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003eRing Size 7.25, adjustable.\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cstrong\u003eProduct Specifications:\u003c\/strong\u003e\u003c\/div\u003e\u003cul\u003e\n\u003cli\u003eItem Type: Cocktail \/ Statement Ring\u003c\/li\u003e\n\u003cli\u003eMetal: Platinum 900 (PT900)\u003c\/li\u003e\n\u003cli\u003eFinish: Matte on band\u003c\/li\u003e\n\u003cli\u003eSize: 7.25 (adjustable)\u003c\/li\u003e\n\u003cli\u003eTotal Weight: 17.03 grams\u003c\/li\u003e\n\u003cli\u003eRing Face Dimensions: 8.5mm x 23.5mm\u003c\/li\u003e\n\u003cli\u003eCertification: GIA\u003c\/li\u003e\n\u003cli\u003eMeasurements: 8.5mm x 23.5mm (ring face)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cstrong\u003eCenter Stone Details:\u003c\/strong\u003e\u003c\/div\u003e\u003cul\u003e\n\u003cli\u003eGemstone: Natural Black Opal\u003c\/li\u003e\n\u003cli\u003eCarat: 8.69\u003c\/li\u003e\n\u003cli\u003eCut: Oval Cabochon\u003c\/li\u003e\n\u003cli\u003eColor: Deep blue-black with blue and teal play-of-color\u003c\/li\u003e\n\u003cli\u003eTreatment: None (GIA certified, no color treatment)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cstrong\u003eAccent Stone Details:\u003c\/strong\u003e\u003c\/div\u003e\u003cul\u003e\n\u003cli\u003eType: Diamond\u003c\/li\u003e\n\u003cli\u003eCut: Tapered Baguette\u003c\/li\u003e\n\u003cli\u003eTotal Carat Weight: 1.78 carats\u003c\/li\u003e\n\u003cli\u003eColor: F–G\u003c\/li\u003e\n\u003cli\u003eClarity: VS\u003c\/li\u003e\n\u003cli\u003eSetting Style: Ballerina halo (radiating outward)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cstrong\u003eAbout the Stones:\u003c\/strong\u003e\u003c\/div\u003e\u003cdiv\u003eThis GIA-certified 8.69 carat black opal is confirmed to have received no color treatment, making its vivid blue, violet, and teal play-of-color entirely natural — an exceptionally rare quality in a stone of this size. The oval cabochon cut maximizes the opal's color surface, allowing the rolling flashes of electric blue and cyan to shift dramatically with every movement. Surrounding the opal, 1.78 carats of tapered baguette diamonds in F–G color and VS clarity create a sparkling frame that amplifies the opal's depth and mystery. Black opals of this caliber with GIA no-treatment documentation are among the most collectible and investment-worthy gems in the fine jewelry market.\u003c\/div\u003e","brand":"ASSAY","offers":[{"title":"Default Title","offer_id":46723839230142,"sku":"GA2268-2","price":106932.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0508\/5724\/6910\/files\/GIA-Certified-8_69-Carat-Cabochon-Black-Opal-Diamond-in-Platinum-Cocktail-Ring-Ring.jpg?v=1778084420","url":"https:\/\/qa.assayjewelers.com\/it\/products\/gia-certified-8-69-carat-cabochon-black-opal-diamond-in-platinum-cocktail-ring","provider":"ASSAY","version":"1.0","type":"link"}