C. 1960 Vintage 7.00 Carat Sapphire and 1.50 ct. t.w. Diamond Carved Crystal Ring In 18kt White Gold Size 6.5: C. 1960. Flower wow-er. Breathtaking 7.00 carat oval sapphire cabochon framed in 1.50 ct. t.w. of diamonds forms the center of a whopping 26mm carved crystal flower. Set in polished 18kt white gold with petal design detailing on the undercarriage of this cocktail ring which brings the Modern era to life again. Dimensions: 1 1/16". Exclusive, one-of-a-kind Estate item.