Item #: 233208 This is an authentic TIFFANY & CO Platinum Diamond Open Circle Pendant Necklace. This chic necklace features a circle of 21 beautiful diamonds with a carat total weight of .93 in a platinum setting. Add sparkle to your wardrobe with this beautiful diamond pendant necklace from Tiffany & Co! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.