Item #: 409423 Year: 1992 This is an authentic CARTIER 18K Yellow Gold Diamond Colisee Ring 4.5 48. This stunning ring is crafted of 18 karat yellow gold and features an X crossover style band two round brilliant diamonds and an oval cabochon ruby stone in the center. This is a marvelous ring with the classic style only from Cartier! Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.