Year: 2022 This is an authentic BULGARI 18K Yellow Gold Diamond B.Zero1 Rock Pendant Necklace. The necklace is crafted of 18 karat yellow gold and features a studded B.zero1 barrel motif pendant set with round brilliant cut diamonds, approximately .38 total carat weight. Follow this item for alerts. Bulgari is a registered trademark of Bulgari. FASHIONPHILE is not affiliated with Bulgari.