Description
SCHLUMBERGER FOR TIFFANY & CO.: AN 18K GOLD, PLATINUM, COLOR-CHANGE SAPPHIRE AND DIAMOND RING Centering a rectangular cushion-cut color-change sapphire weighing approximately 10.80 carats, flanked by round and marquise-shaped diamonds weighing approximately 2.05 carats in platinum settings, signed Tiffany & Co., Schlumberger, with signed box, size 6