This is an authentic BULGARI 18K Yellow Gold B.Zero1 4 Band Ring, size 51 5.75. This magnificent ring is 5.75 inches wide and has four 18 karat gold concentric links with the BVLGARI name engraved on both sides. This is an excellent ring with the classical elegance only from Bulgari! Follow this item for alerts. Bulgari is a registered trademark of Bulgari. FASHIONPHILE is not affiliated with Bulgari.