0,36: 4 bands: 11,9: 0,47: 5 bands: 13,8: 0,54: Due to the unique design of Bvlgari B.zero1 rings, their size differs from the standard ones for a ring. When purchasing a B.zero1 ring, you will most likely need to go up two sizes to ensure a proper fit. ... Aluminium Titanium / Rubber . $3,500.00 . Excluding Taxes .