This is an authentic TIFFANY Platinum Diamond .22ct Harmony Solitaire Engagement Ring size 49 or 5. The ring is crafted of platinum and features a prong-set round brilliant cut diamond weighing approximately .22 total carat weight, with D color and VS1 clarity, and a triple excellent cut grade by Tiffany. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.