Item #: 1255850 This is an authentic TIFFANY Platinum Diamond .27ct Harmony Solitaire Engagement Ring size 51 or 5.75. The ring is crafted of platinum and features a round brilliant cut diamond weighing approximately .27 carat with G color and VS1 clarity. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.