C. 1990. Red, hot sizzle and icy shimmer join forces on this eye-catching Estate collection ring, ready to amplify your outfits. At the cent… C. 1990. Red, hot sizzle and icy shimmer join forces on this eye-catching Estate collection ring, ready to amplify your outfits. At the center, a .60 carat oval ruby is set east-west, with additional .88 ct. t.w. pear-shaped rubies at each corner. Sparkling .50 ct. t.w. round brilliant-cut diamonds light up the spaces between, all set in polished 18kt yellow gold. 3/8" wide. Diamond and ruby ring. Exclusive, one-of-a-kind Estate Jewelry.