This is an authentic CARTIER 18K Pink Gold Pave Diamond Juste Un Clou Ring 51 or 5.75. This stunning ring is crafted of 18 karat yellow gold and is embellished with round brilliant cut diamonds with a total approximate carat weight of 0.85 carats. Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.