From the B.zero1 Collection • 18K Rose Gold • Designer Size 54 • Includes Designer Box & Certificate of Authenticity Band Width: 11.6mm Serial Number: NP**** Total Item Weight (g): 12.2 Metal Type: 18K Rose Gold Signature: BVLGARI 54 *2337AL XX ANNIVERSARY Collateral: Certificate of Authenticity Note: This item has been appraised and inspected by our Jewelry Specialists Marks: Designer Signature Ring Size: 7