Year: 2017 This is an authentic BULGARI 18K White Gold B.Zero1 One-Band Ring size 50 or 5.25. The ring is crafted of 18-karat white gold and features the BVLGARI logo engraved on either side of the band. Follow this item for alerts. Bulgari is a registered trademark of Bulgari. FASHIONPHILE is not affiliated with Bulgari.