Tiffany & Co. 18ct white gold and diamond 'Signature X' necklace, composed of a continuous line of fluted X-shaped motifs alternating between ribbed high half round connectors, the front pave-set at intervals with brilliant-cut diamonds, the diamonds together weighing approximately 0.72 carats, inner circumference 400 mm, gross weight approximately 60 grams, signed T&Co. For Tiffany & Co.