This is an authentic BULGARI 18K Yellow Gold B.Zero1 Four-Band Ring 50 5.25. This ring is crafted of 18 karat yellow gold band engraved with the legendary Bulgari logo. This is a marvelous ring with the classical elegance of BVLGARI! Follow this item for alerts. Bulgari is a registered trademark of Bulgari. FASHIONPHILE is not affiliated with Bulgari.