Size Guide

SINGAPORE/ HONG KONG 
RING SIZE

US
RING SIZE

INNER
DIAMETER
(mm)

8

3.75

14.87

9

4.25

15.23

10

4.75

15.58

11

5

15.92

12

5.5

16.29

13

6

16.62

14

6.25

16.97

15

6.75

17.32

16

7

17.69

17

7.5

18.03

18

8

18.38

19

8.5

18.73

20

9

19.03

21

9.5

19.48

22

10

19.8