This is an authentic TIFFANY & CO Platinum Diamonds Medium Cross Pendant Necklace. This stunning necklace features a 16" platinum chain with a platinum cross set with 11 round diamonds with a total carat weight of 0.55. This is an excellent necklace for everyday use, from Tiffany & Co. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.