This is an authentic TIFFANY Platinum Diamond .15ct Princess Cut Diamond Engagement Ring 49 4.75 The ring is crafted of platinum and features a rounded band and a bezel-set princess-cut diamond, approximately .15 carat with F color and VS1 clarity. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.