Item #: 1568906 This is an authentic CARTIER 18K Pink Gold Diamond Juste Un Clou Necklace. The necklace crafted of 18 karat pink gold and features a hinged band with an iconic nail motif centerpiece encrusted in diamonds, approximately .20 total carat weight. Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.