Size guide

International Ring Size Chart

All Brilliant Earth rings are specified in standard US sizes. View the conversion chart to see how US sizes map to finger circumference, as well as how US sizes convert to Canada, Australia, UK and other countries.

View the International Ring Size Chart
Inside Circumference US, Canada, Mexico UK, Australia, Ireland, New Zealand, South Africa France Germany, Russia, Ukraine, Asia India, China, Japan, South America, Turkey, Israel Italy, Spain, Netherlands, Switzerland
IN MM
1.74 44.2 3 F 44 14 4 4
1.77 44.8 3.25 F 3/4 44.625 14.25 --- 4.625
1.79 45.5 3.5 G 1/4 45.25 14.5 5 5.25
1.82 46.1 3.75 H 45.875 14.75 6 5.875
1.84 46.8 4 H 1/2 46.5 15 7 6.5
1.87 47.4 4.25 I 47.125 15.25 --- 7.125
1.89 48 4.5 I 1/2 47.75 15.5 8 7.75
1.92 48.7 4.75 J 1/4 48.375 --- --- 8.375
1.94 49.3 5 J 1/2 49 15.75 9 9
1.97 50 5.25 K 1/4 49.625 16 --- 9.625
1.99 50.6 5.5 L 50.25 16.25 10 10.25
2.02 51.2 5.75 L 1/4 50.875 --- 11 10.875
2.04 51.9 6 M 51.5 16.5 12 11.5
2.07 52.5 6.25 M 1/2 52.125 16.75 --- 12.125
2.09 53.1 6.5 N 52.75 17 13 12.75
2.12 53.8 6.75 N 1/2 53.375 --- --- 13.375
2.14 54.4 7 O 54 17.25 14 14
2.17 55.1 7.25 O 1/2 54.625 17.5 --- 14.625
2.19 55.7 7.5 P 55.25 17.75 15 15.25
2.22 56.3 7.75 P 1/2 55.875 --- --- 15.875
2.24 57 8 Q 56.5 18 16 16.5
2.27 57.6 8.25 Q 1/2 57.125 18.25 --- 7.125
2.29 58.3 8.5 Q 3/4 57.75 18.5 17 17.75
2.32 58.9 8.75 R 1/4 58.375 18.75 --- 18.375
2.34 59.5 9 R 3/4 59 19 18 19
2.37 60.2 9.25 S 1/4 59.625 19.25 --- 19.625
2.39 60.8 9.5 S 3/4 60.25 19.5 19 20.25
2.42 61.4 9.75 T 1/4 60.875 19.75 --- 20.875
2.44 62.1 10 T 1/2 61.5 20 20 21.25
2.47 62.7 10.25 U 62.125 20.25 21 22.125
2.49 63.4 10.5 U 1/2 62.75 20.5 22 22.75
2.52 64 10.75 V 1/4 63.375 --- --- 23.375
2.54 64.6 11 V 1/2 64 20.75 23 24
2.57 65.3 11.25 W 1/4 64.625 --- --- 24.625
2.59 65.9 11.5 W 3/4 65.25 21 24 25.25
2.62 66.6 11.75 X 1/4 65.875 --- --- 25.875
2.65 67.2 12 Y 66.5 21.25 25 26.5
2.68 68.1 12.25 Y 1/2 67.125 21.5 --- 27.125
2.71 68.5 12.5 Z 67.75 21.75 26 27.75
2.72 69.1 12.75 Z + 1/2 68.375 --- --- 28.375
2.75 69.7 13 Z + 1 69 22 27 29