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Home
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Learning Center
»
Ring Sizes
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Diamonds
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·
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·
Settings
·
Stone Size
·
Ring Size
·
MM to Inches
·
Glossary
RING SIZE
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For the most accurate ring size measurements, please visit a professional jeweler.
Measurement
Ring Size Equivalents
(inches)
(mm)
US
British
French
German
Swiss
Singapore/Japanese
Hong Kong
1 3/4
44.5
3
F
44
14
4
4
6
1 25/32
45.2
3 1/2
G
45
14.5
5 1/2
6
8
1 13/16
46
4
H
47
15
7
7
8.5
1 7/8
47.6
4 1/2
I
48
15.5
9
8
9.5
1 15/16
49.2
5
J
50
15.8
10
9
10.5
2
50.8
5 1/2
K
52
16
12
10
11.5
2 1/16
52.4
6
L
53
16.5
13
12
13.5
2 3/32
53.2
6 1/2
M
54
17
14
13
14.5
2 1/8
54
7
N
55
17.3
15
14
15.5
2 3/16
55.6
7 1/2
O
57
17.8
16 1/2
15
16.5
2 1/4
57.2
8
P
58
18
18
16
17.5
2 5/32
54.8
8 1/2
Q
59
18.5
19
17
18
2 5/16
58.7
9
R
60
19
20
18
19
2 3/8
60.3
9 1/2
S
61
19.5
21 1/2
19
20
2 7/16
61.9
10
T
62
20.3
22
20
21
2 1/2
63.5
10 1/2
U
63
20.8
23 1/2
22
23
2 9/16
65.1
11
W
64
21
25
23
24
2 19/32
65.9
11 1/2
X
66
21.3
26
24
25
2 5/8
66.7
12
Y
67
21.8
27 1/2
25
26
2 11/16
68.3
12 1/2
Z
69
22
29
26
27
2 3/4
69.9
13
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Gemologica's jewelry store specializes in gemstone jewelry, gold jewelry, stainless steel jewelry and titanium jewelry, with a wide selection of earrings, rings, bracelets, necklaces and pendants.
