This is an authentic BULGARI 18K Rose Gold Diamond White Ceramic B.Zero1 Necklace. This necklace is composed of an 18 karat rose gold chain and features the iconic B. Zero barrel motif with white ceramic detailing and diamond accents approximately weighing .22 total carat weight. Follow this item for alerts. Bulgari is a registered trademark of Bulgari. FASHIONPHILE is not affiliated with Bulgari.