This is an authentic CARTIER 18K Pink Gold Diamond Juste Un Clou Ring 50 5.25. The ring is crafted of 18 karat pink gold and features a gracefully bent nail motif band set with round brilliant cut diamonds around of the head's edge weighing approximately 0.13 total carat weight. Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.