Year: 2020 This is an authentic HARRY WINSTON 18K Yellow Gold Diamond HW Logo Single Diamond Band Ring 50 5.5. The ring is crafted of 18 karat yellow gold and features HW stations throughout the band framing a single round brilliant cut diamond, approximately .01 carats. Follow this item for alerts. Harry Winston is a registered trademark of Harry Winston. FASHIONPHILE is not affiliated with Harry Winston.