Platinum and diamond pendant necklace, Elsa Peretti, Tiffany & Co., the round brilliant-cut diamond weighing 1.15 carats is collet-set, completed by a fine a trace chain, inner circumference approximately 420 mm, signed Peretti for Elsa Peretti, Tiffany & Co., numbered 17769634. Accompanied by a GIA report numbered 1172420347, dated 15 December 2015, stating that the 1.15 carat diamond is E colour, VS1 clarity, together with a Tiffany & Co. box.