Item #: 595125 This is an authentic TIFFANY Platinum Diamond .18ct Harmony Solitaire Engagement Ring size 52 or 6. The ring is crafted in platinum and features a round brilliant cut diamond weighing approximately .18 total carat weight. Enjoy this timeless ring with someone special in your life, only from Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.