About the Collection 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 jewelry 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. B.zero1 oneband ring in 18kt rose gold.BVLGARI ring Approx. ring size 53 18karat rose gold Made in Italy BVLGARI Style #