Item #: 1636373 This is an authentic CARTIER 18K Yellow Gold Diamond Juste Un Clou Pendant Necklace. The necklace is crafted of 18 karat yellow gold and features a curved nail motif set with round brilliant cut diamonds, approximately .12 total carat weight. Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.