This is an authentic TIFFANY Platinum Diamond .20ct Harmony Solitaire Engagement Ring size 53 or 6.25. The ring is crafted of platinum and features a polished tapered band holding a solitaire round brilliant cut diamond weighing approximately .20 carats, with H color and VS1 clarity. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.