This is an authentic BULGARI 18K White Gold Diamond B.Zero1 Drop Necklace. The necklace is crafted of 18 karat white gold and feature the signature B.zero1 barrel motif and round brilliant cut diamonds of approximately 1.95 total carat weight throughout the necklace. Follow this item for alerts. Bulgari is a registered trademark of Bulgari. FASHIONPHILE is not affiliated with Bulgari.