This is an authentic TIFFANY Platinum Diamond .52ct Etoile Solitaire Engagement Ring 51 or 5.75. This ring is crafted of platinum and features a half bezel solitaire weighing approximately .52 total carat weight with G color and VS1 clarity. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.