Item #: 1565690 Year: 2015 This is an authentic CARTIER 18K White Gold Diamond Black Onyx Emerald Panthere De Cartier Ring 46 3.75. The ring is crafted of 18 karat white gold and features a panther shape with 137 round brilliant cut diamonds, approximately 1.15 total carat weight, and a black onyx nose and two emerald eyes. Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.