Item #: 1673609 This is an authentic TIFFANY Platinum Diamond .21ct Solitaire Lucida Engagement Ring 53 6.25. The ring is crafted of platinum and features a Lucida cut diamond approximately .21 carats with I color and VS1 clarity. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.