C. 1990. From our Estate collection, this impressive 5/8" wide ring comes scattered with rich sparkle! 3.01 ct. t.w. oval sapphires stun in … C. 1990. From our Estate collection, this impressive 5/8" wide ring comes scattered with rich sparkle! 3.01 ct. t.w. oval sapphires stun in shades of red, orange, yellow, pink, purple and blue. Finely crafted in polished 18kt white gold and sprinkled with icy .14 ct. t.w. round brilliant-cut diamonds. Diamond and multicolored sapphire ring. Exclusive, one-of-a-kind Estate Jewelry.