An 18k rose gold and black ceramic B.zero1 ring by Bvlgari. The ring is made up of 3 black ceramic spiral design bands with 18k rose gold outer edges engraved with the iconic Bvlgari Bvlgari logo. The ring is a size EU 54, UK N1/2 and has a gross weight of 9.70 grams. The ring comes complete with a Bvlgari presentation box and our own certificate of authenticity.