Stainless Steel Black Diamond Cut Edge 6mmThe manufacturing process allows for the cliam that these rings are from one of the few companies in the country whose quality control standards meets or exceeds Federal standards. The inclusion of our Lifetime Certificate with each piece is your assurance of our consistency in meeting Federal standards.Approx. Total Item Weight: 1.12 oz. Special Finish Stainless Steel Black Diamond Cut Edge 6mmAvailable Sizes:Size: 4, 5, 6, 7, 8, 9.10, 11, 12, 13, 14Ring SizesItalian sizeFrench sizeAmerican sizeEnglish sizeDiameter in cmCircumference in cm141B1.304.08241.502D1.334.18242D1.334.182.5042.752.5E1.354.243431.364.274443F1.404.405451.434.495.5045.503.5G1.454.55646H1.464.586.7546.754H-1/21.474.62747I1.494.688484.5I-1/21.534.80949J1.564.909.5049.255J-1/21.584.961050K1.605.0210.550.505.5L1.615.061151L-1/21.625.0911.551.506M1.635.1212521.655.1812.552.51.665.2113536.5N1.685.2813.553.501.705.3414541.725.4014.554.507O1.735.4315551.745.4615.555.501.765.5316567.5P1.785.5916.556.501.805.6517578Q1.815.6817.557.501.835.7518581.855.8118.558.508.51.865.841959R1.885.9019.559.7591.905.972060S1.926.03