The Lennox Onyx Ring features onyx set in a sterling silver band. Inspired by the 70s era of strong, flat lines with emphasis on the stone itself. Reminiscent of your favorite 70s icons, this ring is sure to be your next go-to piece. Base Metal: Sterling Silver Plating: Polished Platinum Material: Onyx Stone Dimensions: Length: 12.5mm , Width: 9.5mm Gauge: 2.78mm Stone Count: 1 Carat Weight: 2.64 Size Guide: 7 - 54.51 mm 8 - 57.15 mm 9 - 59.34 mm 10 - 62.33 mm 11 - 64.97 mm 12 - 67.51 mm