Year: 2018 This is an authentic CARTIER Platinum Diamond .63ct Solitaire Engagement Ring 53 6.5. The ring is crafted of platinum and features a round brilliant cut diamond weighing .63 carats with H color and VS2 clarity in a four prong setting. Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.