| GemSelect Ring Size Chart | ||||||||
| Circumference (mm) |
Diameter (mm) |
Europe | UK& Australia | United States & Canada | China | Singapore & Japan | Hong Kong | Switzerland |
| 44.2 | 14.1 | 44 | F½ | 3 | 6 | 4 | 6 | 4 |
| 44.8 | 14.3 | 45 | G | 5 | 5 | 5¼ | ||
| 45.5 | 15.5 | G½ | 3½ | 7 | 7.5 | |||
| 46.1 | 14.7 | 46 | H | 6 | 6½ | |||
| 46.8 | 14.9 | 47 | H½ | 4 | 8 | 7 | 9 | |
| 47.4 | 15.1 | I | 9 | 7¾ | ||||
| 48.0 | 15.3 | 48 | I½ | 4½ | 8 | 10 | ||
| 48.7 | 15.5 | J | 9 | |||||
| 49.3 | 15.7 | 49 | J½ | 5 | 10 | 9 | 11 | |
| 50.0 | 15.9 | 50 | K | 10 | ||||
| 50.6 | 16.1 | K½ | 5½ | 11 | 10 | 12 | ||
| 51.2 | 16.3 | 51 | L | 11¾ | ||||
| 51.9 | 16.5 | 52 | L½ | 6 | 12 | 11 | 13 | 12¾ |
| 52.5 | 16.7 | M | 13 | 12 | ||||
| 53.1 | 16.9 | 53 | M½ | 6½ | 13 | 14.5 | 14 | |
| 53.8 | 17.1 | N | 14 | |||||
| 54.4 | 17.3 | 54 | N½ | 7 | 14 | 16 | 15 ¼ | |
| 55.1 | 17.5 | 55 | O | 15 | ||||
| 55.7 | 17.7 | O½ | 7½ | 15 | 17 | 16½ | ||
| 56.3 | 17.9 | 56 | P | 16 | ||||
| 57.0 | 18.1 | 57 | P½ | 8 | 17 | 16 | 17¾ | |
| 57.2 | 18.2 | 18 | ||||||
| 57.6 | 18.3 | Q | ||||||
| 58.3 | 18.5 | 58 | Q½ | 8½ | 18 | 17 | 19 | |
| 58.9 | 18.8 | 59 | R | 19 | ||||
| 59.5 | 19.0 | R½ | 9 | 19 | 18 | 20.5 | ||
| 60.2 | 19.2 | 60 | S | 20 | 20¼ | |||
| 60.8 | 19.4 | 61 | S½ | 9½ | 19 | 22 | ||
| 61.4 | 19.6 | T | 21 | 21½ | ||||
| 62.1 | 19.8 | 62 | T½ | 10 | 20 | 23 | ||
| 62.7 | 20.0 | U | 22 | 21 | ||||
| 63.4 | 20.2 | 62 | U½ | 10½ | 22 | 24 | 22¾ | |
| 64.0 | 20.4 | 64 | V | 23 | ||||
| 64.6 | 20.6 | V½ | 11 | 23 | 25 | |||
| 65.3 | 20.8 | 65 | W | 24 | 25 | |||
| 65.9 | 21.0 | 66 | W½ | 11½ | 25 | 24 | 26 | |
| 66.6 | 21.2 | X | ||||||
| 67.2 | 21.4 | 67 | X½ | 12 | 26 | 25 | 27.75 | 27½ |
| 67.8 | 21.6 | Y | ||||||
| 68.5 | 21.8 | 68 | Z | 12½ | 26 | 28¾ | ||
| 69.1 | 22.0 | 69 | Z½ | |||||
| 69.7 | 22.2 | 70 | 13 | 27 | 30 | |||
| 70.4 | 22.4 | Z+1 | ||||||
| 71.0 | 22.6 | Z+2 | 13½ | |||||
- First Published: April-11-2016
- Last Updated: July-07-2017
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