This is an authentic TIFFANY Platinum Diamond .20ct Novo Cushion Cut Engagement Ring size 51 or 5.75. The ring is crafted of platinum and features a cushion cut center stone weighing approximately .20 carat, with D color and VS1 clarity. The ring also features a diamond accented band, approximately .17 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.