Size Guide

Making sure you select the correct ring size can be tricky. To help you get this right we suggest the following:

Inside Diameter (inches) Inside Diameter (mm) UK Ring Size
0.474 12.04 A
0.482 12.24
0.49 12.45 B
0.498 12.65
0.506 12.85 C
0.514 13.06
0.522 13.26 D
0.53 13.46
0.538 13.67 E
0.546 13.87
0.554 14.07 F
0.562 14.27
0.57 14.48 G
0.578 14.68
0.586 14.88 H
0.594 15.09
0.602 15.29 I
0.61 15.49 J
0.618 15.7
0.626 15.9 K
0.634 16.1
0.642 16.31 L
0.65 16.51
0.658 16.71 M
0.666 16.92
0.674 17.12 N
0.682 17.32
0.69 17.53 O
0.698 17.73
0.706 17.93 P
0.714 18.14
0.722 18.34 Q
0.73 18.54
0.738 18.75 R
0.746 18.95
0.754 19.15 S
0.762 19.35
0.77 19.56 T
0.778 19.76
0.786 19.96 U
0.794 20.17
0.802 20.37 V
0.81 20.57
0.818 20.78 W
0.826 20.98
0.834 21.18 X
0.842 21.39
0.85 21.59 Y
0.858 21.79 Z
0.866 22
0.882 22.4 Z1
0.898 22.81 Z2
0.906 23.01 Z3

Should you have any queries or concerns about selecting the correct ring size, please feel free to email us info@thejewelleryboutique.com or call us on 020 3286 9217

It is highly likely that your finger size will change throughout the course of the day. To get the most accurate measurement, try to measure your finger at the end of the day when it will be at its largest.

If you do end up ordering the wrong size, fear not as we operate a 7 day no quibble returns policy.