Tamahra Prowse jewellery is available online in the sizes listed below.
Other sizing and private commissions are available to order. Please contact us if you would like more information.

RING SIZES

Inside Diameter Millimeters
(MM)

US and Canada

UK, Europe and Australia

Switzerland

Asia
(HK, China, Singapore,
Taiwan, Japan)

14.1

3

F

4

4

14.3

3.25

F.5

5.25

5

14.5

3.50

G

 

 

14.7

3.75

G.5

6.50

 

14.9

4

H

 

7

15.1

4.25

H.5

7.75

 

15.3

4.50

I

 

8

15.5

4.75

I.5

9

 

15.7

5

J

 

9

15.9

5.25

J.5

10

 

16.1

5.50

K

 

10

16.3

5.75

K.5

11.75

 

16.5

6

L

12.75

11

16.7

6.25

L.5

 

12

16.9

6.50

M

14

13

17.1

6.75

M.5

 

 

17.3

7

N

15.25

14

17.5

7.25

N.5

 

 

17.7

7.50

O

16.50

15

17.9

7.75

O.5

 

 

18.1

8

P

17.75

16

18.3

8.25

P.5

 

 

18.5

8.50

Q

 

17

18.8

8.75

Q.5

19

 

19.0

9

R

 

18

19.2

9.25

R.5

20.25

 

19.4

9.50

S

 

19

19.6

9.75

S.5

21.50

 

19.8

10

T

 

20

20.0

10.25

T.5

 

21

20.2

10.50

U

22.75

22

20.4

10.75

U.5

 

 

20.6

11

V

 

23

20.8

11.25

V.5

25

 

21.0

11.50

W

 

24

21.2

11.75

W.5

 

 

21.4

12

X

27.50

25

21.6

12.25

X.5

 

 

21.8

12.50

Y

28.75

26

22.0

12.75

Z

 

 

22.2

13

Z.5

 

27

22.4

13.25

 

 

 

22.6

13.50

Z1