C. 1990. Gracing our Estate collection, this cocktail ring will effortlessly draw attention toward your style. Features three vivid jewels, … C. 1990. Gracing our Estate collection, this cocktail ring will effortlessly draw attention toward your style. Features three vivid jewels, two .90 ct. t.w. oval sapphires and a .64 carat oval tsavorite, illuminated by an ornate backdrop of .92 ct. t.w. round brilliant-cut diamonds. Crafted in platinum. 7/8" wide. Tsavorite, sapphire and diamond cocktail ring. Exclusive, one-of-a-kind Estate Jewelry.