This is an authentic TIFFANY Platinum Diamond .37ct Etoile Solitaire Engagement Ring size 49 or 5. This ring is crafted of platinum and features a half bezel set round round brilliant cut diamond weighing approximately .37 total carats, with H color and IF clarity. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.