{"product_id":"antique-18k-and-platinum-diamond-and-black-onyx-ring","title":"Antique 18k and Platinum Diamond and Black Onyx Ring","description":"\u003cp\u003eA striking dainty antique piece featuring lustrous 18k gold and platinum metalwork. The center diamond—0.25 carats of brilliant light—anchors a design accented by deep black onyx for sophisticated contrast. Weighing 2.9 grams, this heirloom-quality ring exemplifies Art Deco craftsmanship with refined proportions ideal for collectors and those seeking timeless elegance.\u003c\/p\u003e","brand":"Curated Cocktail Rings","offers":[{"title":"Default Title","offer_id":54074560315706,"sku":null,"price":1750.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0964\/5735\/9674\/files\/Photoroom_20260916_075529.jpg?v=1789563888","url":"https:\/\/curatedcocktailrings.com\/products\/antique-18k-and-platinum-diamond-and-black-onyx-ring","provider":"Curated Cocktail Rings","version":"1.0","type":"link"}