Ring Size Guide
RINGS
Each ring product allows you to select your preferred size. We list sizes in UK, US, and millimetres (mm) to help you find the perfect fit.
If you're unsure of your ring size, we recommend using the Ring Sizer by Jason Withers app, available on the Apple App Store and Google Play Store.
Already know your size in a different format? Use the conversion chart below to find the closest match.
| Internal Diameter (MM) |
| MM | UK/AUSTRALIA RING SIZE | US/CANADA RING SIZE |
| 14.1 | F | 3 |
| 14.9 | H | 4 |
| 15.7 | J | 5 |
| 16.5 | L | 6 |
| 17.3 | N | 7 |
| 18.1 | P | 8 |
| 19 | R | 9 |
| 19.8 | T | 10 |
| 20.6 | V | 11 |
| Circumference (MM) |
| MM | UK/AUSTRALIA RING SIZE | US/CANADA RING SIZE |
| 44.2 | F | 3 |
| 46.8 | H | 4 |
| 49.3 | J | 5 |
| 51.9 | L | 6 |
| 54.4 | N | 7 |
| 57 | P | 8 |
| 59.5 | R | 9 |
| 62.1 | T | 10 |
| 64.6 | V | 11 |