Item #: 890878 This is an authentic TIFFANY Platinum Diamond .55ct Solitaire Engagement Ring size 57 or 8. The ring is crafted of platinum and features a round brilliant cut diamond weighing approximately .55 total carat weight and has VS1 clarity and H color. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.