{"product_id":"art-deco-3-00-carat-star-sapphire-diamond-platinum-cluster-ring","title":"Art Deco 3.00 carat star sapphire diamond platinum cluster ring","description":"\u003cdiv\u003eThe domed cabochon star sapphire at the center of this Art Deco ring displays a soft, six-rayed sheen across its\u003c\/div\u003e\u003cdiv\u003esurface, an optical effect called asterism that occurs when microscopic mineral fibers within the stone reflect light in\u003c\/div\u003e\u003cdiv\u003ea distinct star pattern, visible only in cabochon-cut stones rather than faceted ones. Weighing approximately 3.00\u003c\/div\u003e\u003cdiv\u003ecarats, the sapphire sits bezel-set and is framed by a full halo of round brilliant diamonds, with diamond-set\u003c\/div\u003e\u003cdiv\u003eshoulders and a touch of pierced gallery work continuing the sparkle down toward the band; together the 18\u003c\/div\u003e\u003cdiv\u003ediamonds weigh approximately 0.40 carat in G-H color and VS-SI clarity. Crafted entirely in platinum, a metal\u003c\/div\u003e\u003cdiv\u003echosen for its ability to hold fine, closely set stonework securely, the ring is sizable and weighs 4.41 grams. Circa\u003c\/div\u003e\u003cdiv\u003e1930, this is a distinctive cluster ring for anyone who wants something beyond a standard faceted center stone, the\u003c\/div\u003e\u003cdiv\u003erare, almost otherworldly quality of a genuine star sapphire making it a genuine conversation piece as well as a\u003c\/div\u003e\u003cdiv\u003ebeautifully proportioned Art Deco design.\u003c\/div\u003e","brand":"Jack Weir \u0026 Sons","offers":[{"title":"Default Title","offer_id":49329376592091,"sku":"38914","price":3500.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/1720\/files\/38914_4181084.jpg?v=1789772003","url":"https:\/\/jackweirandsons.com\/zh-hans\/products\/art-deco-3-00-carat-star-sapphire-diamond-platinum-cluster-ring","provider":"Jack Weir \u0026 Sons","version":"1.0","type":"link"}