Rings Size Guide
RINGS
SIZE GUIDE
You wish to buy or offer a Jaibor ring but don’t know which size to choose?
Jaibor has designed this guide to help you make the right choice.
Jaibor has designed this guide to help you make the right choice.
YOU DO NOT HAVE A RING: HOW TO MEASURE YOUR FINGER
INTERNAL DIAMETER (mm)
EUROPE / JAIBOR
INTERNAL DIAMETER (inches)
USA
JAPAN
47
47
1.85
4
7
48
48
1.88
4 1/2
8
49
49
1.92
4 3/4
9
50
50
1.96
5 1/4
10
51
51
2.00
5 3/4
11
52
52
2.04
6
12
53
53
2.08
6 1/4
13
54
54
2.12
6 3/4
14
55
55
2.16
7 1/4
15
56
56
2.20
7 1/2
16
57
57
2.24
8
17
58
58
2.28
8 1/4
18
59
59
2.32
8 3/4
19
60
60
2.36
9
20
61
61
2.40
9 1/2
21
62
62
2.44
10
22
63
63
2.48
10 1/4
23
64
64
2.51
10 3/4
24
65
65
2.55
11
25
66
66
2.59
11 1/2
26
67
67
2.63
11 3/4
27
68
68
2.67
12 1/4
28
69
69
2.71
12 1/2
29
70
70
2.75
13
30