Item #: 1695379 This is an authentic TIFFANY Platinum Diamond .46ct Novo Engagement Ring 52 6. The ring is crafted of platinum and features approximately .71 total carat weight of diamonds, including the center diamond weighing approximately .46 carat. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.