This is an authentic CARTIER 18K Yellow Gold Diamond Sapphire Ring size 55 or 7.5. This exquisite ring has a sapphire center stone that is set in 18 karat yellow gold with six square step cut sapphires down the middle of the band and finished with near colorless diamonds. This is a stunning ring, with a distinctive look, only from Cartier! Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.