This is an authentic CARTIER 18K Yellow Gold Tsavorite Onyx 12mm Panthere De Cartier Ring size 53 or 6.25. The ring is crafted of 18 karat yellow gold and features a panther motif band accented with tsavorite eyes and a black onyx nose. Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.