This is an authentic TIFFANY Platinum Diamond .38ct Princess Cut Engagement Ring size 52 or 6. The ring is crafted of platinum and features a single prong-set princess cut diamond, approximately .38 total carat weight, with G color and SI1 clarity grade. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.