Ring Size Guide

 

JapanDiameter
(mm)
USA/
Canada
UK/
Australia
Europe
7 14.9 4 H 46.7
9 15.7 5 49.3
11 16.5 6 51.8
13 16.9 53.1
15 17.7 55.7
17 18.5 58.2
19 19.4 60.8
21 20 10¼ U 62.7
23 20.6 11 64.6
25 21.4 12 67.2
27 22.2 13 - 69.7

 

 

You can also download our ring size chart.