Sarah Tunstall Bespoke Jewellery Design

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ring sizing...

Below is a guide to UK ring sizing. If you are unsure of what ring size you require use the steps below to get a measurement for a particular finger:

  • Take a strip of paper and make a ring shape
  • Adjust the size of the loop so it fits snugly but comfortably over the finger joint
  • Mark the length of the paper loop with a pencil
  • Unravel paper and measure the length to get the circumference

Please be aware that, due to the handmade, bespoke nature of S.Tunstall rings, all sizings are approximate. We aim to provide the most accurate idea of size possible.

If you purchase a ring online and it doesn’t fit, we will refund your item and the return postage costs (this applies to rings only).

UK Size Diameter (mm) Circumference (mm) American Size
A 11.5 36.25 0.5
B 12.3 38.64 1
C 12.7 39.9 1.5
D 13.1 41.15 2
E 13.5 42.41 2.5
F 13.9 43.67 3
G 14.3 44.92 3.25
H 14.7 46.18 3.75
I 15.1 47.44 4.25
J 15.5 48.69 4.75
K 15.9 49.95 5.25
L 16.3 51.24 5.75
M 16.7 52.46 6.25
N 17.1 53.72 6.75
O 17.5 54.98 7
P 17.9 56.23 7.5
Q 18.3 57.49 8
R 18.7 58.75 8.5
S 19.1 60 9
T 19.5 61.26 9.5
U 19.9 62.52 10
V 20.3 63.77 10.5
W 20.7 65 11
X 21.1 66.29 11.5
Y 21.5 67.51 12
Z 21.9 68.77 12.5