Tiffany & Co. Pearl and diamond necklace, circa 1996, composed of a line of graduating cultured pearls measuring 9 mm to 9.50 mm, completed by a box clasp modelled as a crab, the body pave-set with brilliant-cut diamonds, the front decorated with a pair of opposing crabs similarly set with diamonds between a round cultured pearl of grey tint measuring approximately 14.4 mm, the diamonds together weighing approximately 1.90 carats, mounted in platinum, inner circumference 460 mm, signed 1996, Tiffany & Co., accompanied by a Tiffany & Co. Soft case.