How do I figure out my ring size?

  1. Select an existing ring that fits the desired finger.
  2. Measure the internal diameter of the ring (in mm).
  3. Use the below chart to determine your ring size.

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Size Guide

Once you have this measure, you can find your size in the table below. Please keep in mind: your ring size can fluctuate about a half size, based on your temperature, hydration levels, hormones, etc.

In case of being between two sizes, we recommend you to choose the bigger one.

Inner Diameter (mm)
Inner Diameter (in)
Desired Ring Size

15.3 mm

0,60 in

8

15.9 mm

0.63 in

10

16.5 mm

0.65 in

12

17.1 mm

0.67 in

14

17.8 mm

0.70 in

16

18.4 mm

0.73 in

18

*Sizes 8 / 18: available in some styles

 

COMPARING YOUR COUNTRY'S SIZES WITH LUCERY'S

If you already know your ring size, please compare it to the table below: 

Desired Ring Size
Spain / Italy
France / Germany
UK / Australia
US / Canada
Japan / China

8

8

48

I - J

4.5 / 5

8

10

10

50

K

5.5

9

12

12

52

L - M

6 / 6.5

11

14

14

54

N

6.75 / 7

13

16

16

56

O - P

7.5

15

18

18

58

Q

8

17

*Sizes 8 / 18: available in some styles

 

For more information, please contact support@luceryjewelry.com, and we'll be glad to help you.