Item #: 986907 This is an authentic CARTIER 18K White Gold Diamond Double C Cartier Pendant Necklace. The necklace is crafted of 18 karat white gold and features double C motif set with round cut diamonds weighing approximately .40 total carat weight. Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.