This is an authentic TIFFANY Platinum Diamond 1.05ct Solitaire Engagement Ring size 45 or 3.25. The ring is crafted of platinum and features a beautiful round brilliant cut diamond weighing approximately 1.05 carats, with I color and VS2 clarity. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.