12 novembre 2013
A sapphire and diamond cluster ring, by Tiffany & Co.
A sapphire and diamond cluster ring, by Tiffany & Co. Photo courtesy Bonhams The cushion-cut sapphire, weighing 4.46 carats, surrounded by old brilliant-cut diamonds, diamonds approximately 1.55 carats total, signed Tiffany & Co., ring size 6¼. Estimate...