Platinum and diamond 'Open heart' pendant necklace, Elsa Peretti for Tiffany & Co., designed as a stylised open work heart, pave-set with brilliant-cut diamonds, completed by a fine trace chain, pendant approximately 27.8 x 26.8 mm, chain circumference approximately 430 mm, pendant signed Tiffany & Co. Elsa Peretti, chain signed Tiffany & Co.