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https://www.claudiabradby.com/ring-size-guide

Ring Size Guide

Inside Diameter (inches)
Inside Diameter (mm)
Inside Circumference (inches)
Inside Circumference (mm)
Ring Size UK
Ring Size USA
Ring Size Europe
0.59
15.2
1.86
47.4
I
47½
0.60
15.4
1.89
48.0
48
0.61
15.6
1.92
48.7
J
48½
0.62
15.8
1.94
49.3
5
49
0.63
16.0
1.97
50.0
K
50
0.63
16.1
1.99
50.6
50½
0.64
16.4
2.02
51.2
L
51
0.65
16.6
2.04
51.9
6
52
0.66
16.8
2.07
52.5
M
52½
0.67
17.0
2.09
53.1
53
0.67
17.2
2.12
53.8
N
53½
0.68
17.4
2.14
54.4
7
54
0.69
17.6
2.17
55.1
O
55
0.70
17.8
2.19
55.7
55½
0.71
18.0
2.22
56.3
P
56
0.71
18.2
2.24
57.0
8
57
0.72
18.4
2.27
57.6
Q
57½
0.73
18.6
2.29
58.3
58
0.74
18.8
2.32
58.9
R
59

UK Delivery

Next Day orders placed before midday Monday-Thursday will arrive the following day by 9pm (extended by Royal Mail from 1pm due to Covid-19). Next Day orders placed on a Friday may arrive on Saturday but are not guaranteed before the following Monday (again a new update from Royal Mail). Please note we cannot guarantee a next day service during holiday periods.

International Delivery

All orders over £150 are dispatched via our signed for and fully trackable courier service. This takes maximum 5 working days during very busy periods and requires us to have your telephone number. Orders under £150 are dispatched using ROYAL MAIL INTERNATIONAL SIGNED FOR, and orders of this value to the US, Canada and Australia can take up to three weeks and your order will require a signature on receipt. Please note you may be charged local custom and duty on receipt.