UK US EUROPE INSIDE DIAMETER
Extra Small J 49¾ 15.49
K 50 15.9
Small L 51¾ 16.31
M 52¾ 16.71
Medium N 54 17.12
O 7 55 17.53
Large P 56½ 17.93
Q 8 57½ 18.34
R 58½ 18.75
S 9 60 19.15

*All ring sizes are approximate. Please email or call our studio for further information.