Year: 2015 This is an authentic HARRY WINSTON Platinum Diamond .57ct The One Round Brilliant Micropave Engagement Ring 47 4. The ring is crafted of platinum and features a round brilliant cut center diamond, approximately .57 carats with E color and VVS1 clarity. The ring also features a halo of sparkling diamonds along with a micro-pave band, adding to an approximate total carat weight of .89 carats. Follow this item for alerts. Harry Winston is a registered trademark of Harry Winston. FASHIONPHILE is not affiliated with Harry Winston.