Item #: 603458 This is an authentic TIFFANY Platinum Diamond .31ct Solitaire Engagement Ring size 49 or 5. The ring is crafted of platinum and features a single round brilliant cut diamond weighing approximately .31 carats. This is a classic ring with the timeless style of Tiffany! VS1 clarity / F color / Mounting serial number T52088 Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.