Drawing its inspiration from the most renowned amphitheater of the world, the Colosseum, the B.zero1 ring is a true statement of Bulgari’s creative vision, challenging the very essence of jewellery design. The purity of its distinctive spiral, is a metaphor for the harmony of past, present and future – reflected in the magnificence of the eternal city – and the emblem of the pioneering spirit of the collection. 18Kt yellow gold four-band ring B.zero1.