How to find your ring size
With a ring
Place a ring that fits you on our printable size guide and match the inside diameter.
Download & print the ring size guide (PDF)
Without a ring
Wrap a thin strip of paper around your finger, mark where it meets, measure in mm, and match the size below.
Between two sizes? Choose the larger one.
International Ring Size Chart
| Inside Diameter (mm) | US Size | UK Size | EU Size | Japan |
|---|---|---|---|---|
| 14.1 | 3 | F | 44 | 4 |
| 14.9 | 4 | H | 46 | 7 |
| 15.7 | 5 | J ½ | 49 | 9 |
| 16.5 | 6 | L ½ | 51 | 12 |
| 17.3 | 7 | N ½ | 54 | 14 |
| 18.1 | 8 | P ½ | 57 | 16 |
| 19.0 | 9 | R ½ | 60 | 18 |
| 19.8 | 10 | T ½ | 62 | 20 |
| 20.6 | 11 | V ½ | 65 | 23 |
| 21.4 | 12 | X ½ | 67 | 25 |
Need help choosing? Our team is happy to assist you.
Resizing Policy
Because all BÄL Diamonds rings are made-to-order, resizing is available on select styles.




Fancy Color Grading