Item:RingMaterial: STELING SILVER (S925 Stamp)Size:6-10 (US)Dimension: 3.0cm by 1.5cmWeight: 4.0 gramSize-perimeter(in)-diameter(in) 6 2.03 0.64 7 2.13 0.68 8 2.23 0.71 9 2.33 0.74