Item #: 720373 This is an authentic TIFFANY Platinum Diamond 1.72ct Schlumberger Round Brilliant Engagement Ring 48 4.5. The ring is crafted of platinum and features a single round brilliant cut diamond weighing approximately 1.72 carats with H color and VVS2 clarity. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.