How do I figure out my ring size?
- Select an existing ring that fits the desired finger.
- Measure the internal diameter of the ring (in mm).
- 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.