This is an authentic CARTIER 18K Yellow Gold Diamond Heart Ring 48 4.5. This enchanting ring is crafted of lovely 18 karat yellow gold with a heart shaped motif encrusted with diamonds weighing approximately .50 total carat weight, with the unmistakeable style of Cartier! Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.