Item #: 779545 This is an authentic TIFFANY Platinum Diamond .29ct Harmony Solitaire Engagement Ring 49 or 4.75. The ring is crafted of platinum and features a round brilliant cut diamond center stone weighing approximately .29 carats, with G color and SI1 clarity. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.