Item #: 451710 This is an authentic TIFFANY Platinum Diamond .40ct Solitaire Engagement Ring size 53 or 6.25. This exquisite six prong platinum ring features a round brilliant cut diamond weighing approximately .40 carats, with I color and VVS2 clarity. This is a classic ring with the elegant and timeless style of Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.