Item #: 626338 This is an authentic CARTIER 18K Yellow Gold Diamond Juste Un Clou Ring size 46 or 3.75. The ring is crafted of 18 karat yellow gold and features the curved nail motif accented with diamonds, approximately .13 total carat weight. Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.