DIAMETER OF RING (IN MM)

UK

EUROPE

USA

JAPAN

14.3

G

45

3.75

5

14.7

H

46

4.25

6

15.1

I

47

4.5

8

15.5

J

48.5

5

9

15.9

K

50

5.5

10

16.3

L

51

6

11

16.7

M

52

6.5

12

17.1

N

53.5

6.75

13

17.5

O

55

7

14

17.9

P

56

7.5

15-16

We’ve created a printable ring sizer chart (actual size) to make finding your perfect ring size easy – just follow these simple steps!