This is an authentic CARTIER 18K Yellow Gold Diamond Double Juste Un Clou Paved Ring 48 4.5. The ring is crafted of 18 karat yellow gold and features a curved nail motif wrapped band pave-set with round brilliant cut diamonds, approximately .59 total carat weight. Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.