Item #: 1408320 This is an authentic CARTIER 18K White Gold Diamond C De Cartier Ring size 51 or 5.75. The ring is crafted of 18-karat white gold and features Cartier's signature double C logo, pave-set with round brilliant cut diamonds, approximately .64 total carat weight. Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.