Year: 2019 This is an authentic BULGARI 18K Rose Gold Black Ceramic Diamond B.Zero1 Necklace. This necklace is crafted of 18 karat rose gold and features a ceramic motif and diamonds accents, weighing approximately .53 total carat weight. Follow this item for alerts. Bulgari is a registered trademark of Bulgari. FASHIONPHILE is not affiliated with Bulgari.