This is an authentic HARRY WINSTON Platinum Diamond 1.01ct The One Cushion Cut Micropave Engagement Ring size 53 or 6.25. The ring is crafted of platinum and features a cushion cut center diamond, approximately 1.01 carat with F color and VVS2 clarity grade. The ring also features additional round brilliant cut diamonds, approximately .55 total carat weight. Follow this item for alerts. Harry Winston is a registered trademark of Harry Winston. FASHIONPHILE is not affiliated with Harry Winston.