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At Nova Diamonds, we know that trying to find out a loved one’s ring size is difficult, especially if you’re buying as a surprise. Therefore we are happy to resize any ring you purchase from us.

However, please be aware that not all designs can be resized. For example, twisted bands are made to a specific size during their manufacture, while eternity rings typically feature a specific number of gemstones per finger size.

If your ring can't be resized, contact us and we'll discuss the options available to you. We can also give you tailor-made advice about ring sizes for you and your partner, how rings should fit properly and whether your ring size will change over time.

It’s always best to get in touch with Nova Diamonds prior to any purchase you’re unsure about, as our sole aim is to ensure you and your loved one receive the unrivalled joy that only engagement, wedding and eternity rings can provide.

How is a ring resized?

Resizing a ring means adding or removing small amounts of metal depending on the difference between the size purchased and the new size required. This could mean your ring is slightly thicker or thinner after resizing, but these changes are often unnoticeable.

The process starts with a small incision at the back of the band to reduce or extend its size. Re-joining the ring can be done the traditional way through soldering or a more modern laser welding technique. Both approaches result in a smooth and seamless join. Once the re-joining process is completed, the ring will be polished and cleaned for a sparkling finish.

We take great pride in the quality of all our pieces at Nova Diamonds, which includes any ring that is resized. Our expert jewellery makers adhere to the strictest quality standards to ensure you receive the best product.

Ring Size

Ring Sizing Tips

Measure the inside of another ring that fits using a tape measure and compare to a ring size chart. If the ring size falls between two sizes, order the larger size.

The ring should fit your finger comfortably - snug enough so it won't fall off, but loose enough to slide over your knuckle with ease.

If the knuckle is bigger than the base of the finger, measure both places and choose between the two.

Keep in mind that fingers on your dominant hand are usually larger. Finger sizes also change depending on the time of day and weather.


UK & Australia

Diameter

US & Canada

Europe

Singapore & Japan

Hong Kong

Switzerland

F 1/2 

14.1

3

44

4

6

4

G

14.3

3

45

5


5 1/4

G 1/2

14.5

3

45


7


H

14.7

3 1/2

46

6


6 1/2

H 1/2

14.9

3 1/2

47

7

8


I

15.1

4

47



7 3/4

I 1/2

15.3

4

48

8

9


J

15.5

4 1/2

48


10

9

J 1/2

15.7

4 1/2

49

9



K

15.9

5

50


11

10

K 1/2

16.1

5

50

10



L

16.3

5 1/2

51


12

11 3/4

L 1/2

16.5

5 1/2

52

11

13

12 3/4

M

16.7

6

52

12



M 1/2

16.9

6

53

13

14

14

N

17.1

6 1/2

53




N 1/2

17.3

6 1/2

54

14

15

15 1/4

O

17.5

7

55


16


O 1/2

17.7

7

55

15


16 1/2

P

17.9

7 1/2

56


17


P 1/2

18.1

7 1/2

57

16


17 3/4


18.2

8

57


18


Q

18.3

8

57




Q 1/2

18.5

8 1/2

58

17



R

18.8

8 1/2

59


19

19

R 1/2

19

9

59

18



S

19.2

9

60


20

20 1/4

S 1/2

19.4

9 1/2

61

19

21


T

19.6

9 1/2

61


22

21 1/2

T 1/2

19.8

10

62

20



U

20

10

62

21

23


U 1/2

20.2

10 1/2

63

22


22 3/4

V

20.4

10 1/2

64


24


V 1/2

20.6

11

64

23



W 

20.8

11

65


25

25

W 1/2

21

11 1/2

66

24



X

21.2

11 1/2

66


26

27 1/2

X 1/2

21.4

12

67

25



Y

21.6

12

67


27

28 3/4

Z 

21.8

12 1/2

68

26



Z 1/2

22

12 1/2

69





22.2

13

70

27



Z + 1

22.4

13

70




Z + 2

22.6

13 1/2

70





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