Year: 2021 This is an authentic BULGARI 18K Rose White Gold Diamond Labyrinth B.Zero1 Four-Band Ring 51 5.75. The ring is crafted of 18 karat rose and white gold, and features a spiral barrel motif band set with round brilliant cut diamonds weighing approximately .55 total carat weight. Follow this item for alerts. Bulgari is a registered trademark of Bulgari. FASHIONPHILE is not affiliated with Bulgari.