Item #: 364096 Year: 1992 This is an authentic CARTIER 18K Yellow Gold Blue Sapphire Colisee Ring size 50 or US 5.25. This delightful ring is beautifully crafted of 18 karat yellow gold with a oval shaped blue sapphire. This is a special ring for a special someone with the elegant sophistication of Cartier! Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.