Please note that our size charts are intended to be used as a general guideline only. While we aim for accuracy, slight variations may occur due to differences in manufacturing processes across our jewellery collections.
Metric row in size chart. This should give you a good idea of your ring size.
** If your ring falls between sizes, order the next larger ring size.
| System | L | N | Q | T | W | Y | Z1 |
|---|---|---|---|---|---|---|---|
| Metric (mm) | 51.2 | 53.8 | 57.6 | 61.4 | 65.3 | 67.8 | 70.4 |
| American * | 5¾ | 6¾ | 8½ | 9¾ | 11¼ | 12¼ | 13¼ |
| Swiss * | 11.2 | 13.8 | 18 | 21.4 | 25.3 | 27.8 | 30.4 |
| European * | 12 | 15 | 18 | 21 | 23 | 27 | 30 |
| German * | 1.7 | 1.8 | 1.9 | 2.0 | 2.1 | 2.2 | 2.3 |
| Japanese * | 10 | 13 | 16 | 19 | 23 | 25 | 27 |