This is an authentic TIFFANY Platinum Diamond .21ct Solitaire Engagement Ring size 46 or 3.75. The ring is crafted of platinum and features a round brilliant cut solitaire diamond weighing approximately .21 carats, with F color and VVS2 clarity. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.