This is an authentic TIFFANY Platinum Diamond .36 Lucida Engagement Ring size 49 or 5. The ring is crafted of platinum and features a solitaire Lucida cut diamond weighing approximately .36 total carat weight, with G color and VS1 clarity. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.