Item #: 397735 Year: 1992 This is an authentic CARTIER 18K Yellow Gold Blue Sapphire Ellipse Oval Cut Ring 51 5.75. This stunning ring is crafted of 18 karat yellow gold and showcases a blue oval shaped sapphire. This is an elegant ring with the distinctive look from Cartier! Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.