Item #: 742341 This is an authentic TIFFANY Platinum Diamond .39ct Solitaire Engagement Ring size 51 or 5.75. The ring is crafted of polished platinum and features a round brilliant cut diamond weighing approximately .39 carats, with G color and VS2 clarity. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.