Item #: 958346 This is an authentic TTIFFANY Platinum Diamond .15ctw Circlet Engagement Ring 53 6.5. The ring is crafted of platinum and features round brilliant cut diamonds, approximately .52 total carat weight, with the center diamond weighing approximately .15 carats. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.