US Size | Inside Diameter (mm) |
4 | 14.9 |
4.5 | 15.3 |
5 | 15.7 |
5.5 | 16.1 |
6 (standard) | 16.5 |
6.5 | 16.9 |
7 | 17.3 |
7.5 | 17.7 |
8 | 18.1 |
8.5 | 18.5 |
9 | 18.9 |
Find your fit
DIAMONDIZE uses standard US rings sizes. Refer to our measurement chart or the ruler found in our size guide.