Sterling Silver Cushion Cut Black CZ Ring. Gorgeous! Top of ring height: 12.2mm Top of ring width: 12.3mm Band width: 2mm Shank width: 2mm Stone material: black & clear cubic zirconia Center stone size: 9mm Stone shape: cushion cut Center stone carat weight: 2.75 ct. Total number of CZ stones: 61 Stone setting: prong setting Metal: 925 sterling silver Plating: rhodium plated Finish: high polish 838