This is an authentic TIFFANY Platinum Diamond .28ct Harmony Engagement Ring size 47 or 4. The ring is crafted of platinum and features a center round brilliant cut diamond weighing approximately .28 carats. The ring also features a diamond accented band, approximately .20 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.