B. The ZERO1 ring draws inspiration from the world-renowned amphitheater - the Colosseum of Rome, truly showcasing BULGARI's creative perspective and challenging the essence of jewelry design. Its unique and pure spiral shape symbolizes the harmony between the past, present, and future - reflected in the magnificent Eternal City - and the pioneering spirit of the series. B. The ZERO1 series single ring is made of 18K rose gold material and adorned with diamond inlay. The price varies with the size.
