Year: 2019 This is an authentic BULGARI 18K White Gold B.Zero1 One-Band Ring 51 5.75. The ring is crafted of 18 karat white gold and features the iconic B.Zero1 motif engraved with the BVLGARI logo on either side. Follow this item for alerts. Bulgari is a registered trademark of Bulgari. FASHIONPHILE is not affiliated with Bulgari.