This is an authentic CARTIER 18K Pink Gold Diamond Juste Un Clou Pendant Necklace. The necklace is crafted of 18 karat pink gold and features a curved nail motif pendant pave 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.