This is an authentic TIFFANY Platinum Diamond .24ct Harmony Solitaire Engagement Ring size 52 or 6. The ring is crafted of platinum and features cinched band that holds a round brilliant cut diamond, approximately .24 carat with F color, and VS1 clarity. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.