This is an authentic BULGARI 18K White Gold B.Zero1 Four-Band Ring 55 7.25. The ring is crafted of 18 karat white gold and features the iconic B.Zero barrel motif engraved with the BVLGARI logo on either side of the band. Follow this item for alerts. Bulgari is a registered trademark of Bulgari. FASHIONPHILE is not affiliated with Bulgari.