This is an authentic TIFFANY Platinum Diamond 1.31ct Solitaire Engagement Ring size 49 or 4.75. The ring is crafted of platinum and features a knife edge band holding a six-prong set round brilliant cut diamond, approximately 1.31 carat, with H color and VS1 clarity. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.