Year: 2017 This is an authentic CARTIER 18K White Gold Diamond Double Juste Un Clou Ring size 57 or 8. The ring is crafted of 18 karat white gold and features a gracefully bent nail motif accented with pave diamonds, approximately .08 total carat weight. Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.