This is an authentic CARTIER 18K Yellow Gold Tsavorite Onyx Panthère De Cartier Ring 63 10.25. This fiercely fashionable design from the Panthère de Cartier collection is crafted of 18 karat yellow gold and features a black onyx nose and two Tsavorite eyes. PLEASE NOTE: The right tsavorite eye is chipped. Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.