Item #: 364219 Year: 1992 This is an authentic CARTIER 18K Yellow Gold Diamond Ruby Colisee Ring size 50 or 5.25. This ring is crafted of 18 karat yellow gold with a ruby in the center and two diamonds. This is a radiant 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.