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Welcome to Indigo Rose Jewellery!

Many of the size references in my website are referring to US sizing. The following chart is given as a guide for sizing of rings. Please note wider rings may need to be a half size bigger than normal to fit.

 

Ring size chart:

Inside diameter mm

Inside circumference mm

US Ring Size

British & Australian

Sizes

14.9

46.7

4

H

15.3

48

4 1/2

H ½

15.7

49.3

5

J ½

16.1

50.6

5 1/2

K ½

16.5

51.8

6

L ½

16.9

53.1

6 1/2

M1/2

17.3

54.4

7

N 1/2

17.7

55.7

7 ½

O 1/2

18.1

56.9

8

P ½

18.5

58.2

8 ½

Q 1/2

18.9

59.5

9

R ½

19.4

60.8

9 ½

S 1/2

19.8

62.1

10

T 1/2

20.2

63.3

10 ½

U ½

20.6

64.6

11

V ½

21

65.9

11 ½

W ½

21.4

67.2

12

X 1/2