After selecting your precious stone and the ring design, you need to specify the ring size so that we make your ring to exacting standards. You can use the following ways to measure the ring size:
Convert your Ring Size to the ring size used in other countries using the following form. Select a ring size in any one category, the rest will change to match.
Inside Diameter | Inside Circumference | Ring Sizes | ||||||
(in) | (mm) | (in) | (mm) | United States & Canada | United Kingdom, Ireland, Australia & New Zealand | China, Japan, South America | India | Italy, Spain, Netherlands, Switzerland |
0.458 | 11.63 | 1.44 | 36.5 | 0 | - | - | - | - |
0.466 | 11.84 | 1.46 | 37.2 | ¼ | - | - | - | - |
0.474 | 12.04 | 1.49 | 37.8 | ½ | A | - | - | - |
0.482 | 12.24 | 1.51 | 38.5 | ¾ | A½ | - | - | - |
0.49 | 12.45 | 1.54 | 39.1 | 1 | B | 1 | - | - |
0.498 | 12.65 | 1.56 | 39.7 | 1¼ | B½ | - | - | - |
0.506 | 12.85 | 1.59 | 40.4 | 1½ | C | - | - | 0.5 |
0.514 | 13.06 | 1.61 | 41 | 1¾ | C½ | - | 1 | 1 |
0.522 | 13.26 | 1.64 | 41.7 | 2 | D | 2 | 2 | 1.75 |
0.53 | 13.46 | 1.67 | 42.3 | 2¼ | D½ | - | - | 2.25 |
0.538 | 13.67 | 1.69 | 42.9 | 2½ | E | 3 | 3 | 3 |
0.546 | 13.87 | 1.72 | 43.6 | 2¾ | E½ | - | 4 | 3.5 |
0.554 | 14.07 | 1.74 | 44.2 | 3 | F | 4 | - | 4.25 |
0.562 | 14.27 | 1.77 | 44.8 | 3¼ | F½ | 5 | 5 | 4.75 |
0.57 | 14.48 | 1.79 | 45.5 | 3½ | G | - | - | 5.5 |
0.578 | 14.68 | 1.82 | 46.1 | 3¾ | G½ | 6 | 6 | 6 |
0.586 | 14.88 | 1.84 | 46.8 | 4 | H | 7 | - | 6.75 |
0.594 | 15.09 | 1.87 | 47.4 | 4¼ | H½ | - | 7 | 7.5 |
0.602 | 15.29 | 1.89 | 48 | 4½ | I | 8 | 8 | 8 |
0.61 | 15.49 | 1.92 | 48.7 | 4¾ | J | - | 9 | 8.75 |
0.618 | 15.7 | 1.94 | 49.3 | 5 | J½ | 9 | - | 9.25 |
0.626 | 15.9 | 1.97 | 50 | 5¼ | K | - | 10 | 10 |
0.634 | 16.1 | 1.99 | 50.6 | 5½ | K½ | 10 | - | 10.5 |
0.642 | 16.31 | 2.02 | 51.2 | 5¾ | L | - | 11 | 11.25 |
0.65 | 16.51 | 2.04 | 51.9 | 6 | L½ | 11 | 12 | 11.75 |
0.658 | 16.71 | 2.07 | 52.5 | 6¼ | M | 12 | - | 12.5 |
0.666 | 16.92 | 2.09 | 53.1 | 6½ | M½ | 13 | 13 | 13.25 |
0.674 | 17.12 | 2.12 | 53.8 | 6¾ | N | - | - | 13.75 |
0.682 | 17.32 | 2.14 | 54.4 | 7 | N½ | 14 | 14 | 14.5 |
0.69 | 17.53 | 2.17 | 55.1 | 7¼ | O | - | 15 | 15 |
0.698 | 17.73 | 2.19 | 55.7 | 7½ | O½ | 15 | - | 15.75 |
0.706 | 17.93 | 2.22 | 56.3 | 7¾ | P | - | 16 | 16.25 |
0.714 | 18.14 | 2.24 | 57 | 8 | P½ | 16 | 17 | 17 |
0.722 | 18.34 | 2.27 | 57.6 | 8¼ | Q | - | - | 17.5 |
0.73 | 18.54 | 2.29 | 58.3 | 8½ | Q½ | 17 | 18 | 18.25 |
0.738 | 18.75 | 2.32 | 58.9 | 8¾ | R | - | 19 | 19 |
0.746 | 18.95 | 2.34 | 59.5 | 9 | R½ | 18 | - | 19.5 |
0.754 | 19.15 | 2.37 | 60.2 | 9¼ | S | - | 20 | 20.25 |
0.762 | 19.35 | 2.39 | 60.8 | 9½ | S½ | 19 | 21 | 20.75 |
0.77 | 19.56 | 2.42 | 61.4 | 9¾ | T | - | - | 21.5 |
0.778 | 19.76 | 2.44 | 62.1 | 10 | T½ | 20 | 22 | 22 |
0.786 | 19.96 | 2.47 | 62.7 | 10¼ | U | 21 | 23 | 22.75 |
0.794 | 20.17 | 2.49 | 63.4 | 10½ | U½ | 22 | - | 23.25 |
0.802 | 20.37 | 2.52 | 64 | 10¾ | V | - | 24 | 24 |
0.81 | 20.57 | 2.54 | 64.6 | 11 | V½ | 23 | 25 | 24.75 |
0.818 | 20.78 | 2.57 | 65.3 | 11¼ | W | - | - | 25.25 |
0.826 | 20.98 | 2.59 | 65.9 | 11½ | W½ | 24 | 26 | 26 |
0.834 | 21.18 | 2.62 | 66.6 | 11¾ | X | - | - | 26.5 |
0.842 | 21.39 | 2.65 | 67.2 | 12 | X½ | 25 | 27 | 27.25 |
0.85 | 21.59 | 2.67 | 67.8 | 12¼ | Y | - | 28 | 27.75 |
0.858 | 21.79 | 2.7 | 68.5 | 12½ | Z | 26 | - | 28.5 |
0.866 | 22 | 2.72 | 69.1 | 12¾ | Z½ | - | 29 | 29 |
0.874 | 22.2 | 2.75 | 69.7 | 13 | - | 27 | 30 | 29.75 |
0.882 | 22.4 | 2.77 | 70.4 | 13¼ | Z1 | - | - | 30.5 |
0.89 | 22.61 | 2.8 | 71 | 13½ | - | - | 31 | 31 |
0.898 | 22.81 | 2.82 | 71.7 | 13¾ | Z2 | - | 32 | 31.75 |
0.906 | 23.01 | 2.85 | 72.3 | 14 | Z3 | - | - | 32.25 |
0.914 | 23.22 | 2.87 | 72.9 | 14¼ | - | - | 33 | 33 |
0.922 | 23.42 | 2.9 | 73.6 | 14½ | Z4 | - | - | 33.5 |
0.93 | 23.62 | 2.92 | 74.2 | 14¾ | - | - | 34 | 34.25 |
0.938 | 23.83 | 2.95 | 74.8 | 15 | - | - | 35 | 34.75 |
0.946 | 24.03 | 2.97 | 75.5 | 15¼ | - | - | - | 35.5 |
0.954 | 24.23 | 3 | 76.1 | 15½ | - | - | 36 | 36.25 |
0.962 | 24.43 | 3.02 | 76.8 | 15¾ | - | - | - | 36.75 |
0.97 | 24.64 | 3.05 | 77.4 | 16 | - | - | 37 | 37.5 |