SAPPHIRE AND DIAMOND RING, OSCAR HEYMAN & BROTHERS. Claw-set with a cushion-shaped sapphire weighing 17.84 carats, within a line of pear-shaped diamonds, further decorated with brilliant-cut stones, mounted in yellow gold and platinum
BLACK OPAL, DIAMOND AND WHITE GOLD RING. The 14k white gold ring set with round-cut diamonds forming a frame around an oval black opal cabochon weighing approximately 2.55 cts. Total estimated weight for all diamonds: 0.31 cttw. Ring size: 7.Estimated to sell between $800-1200. To be sold as lot 0514-0103.