Rosa Maria rings are labelled using Italian numerical sizing.
As a general guide:
| ITALY |
52 |
53 |
54 |
55 |
56 |
57 |
58 |
| AU / UK |
L-M |
M-N |
N-O |
O-P |
P |
Q |
R |
| USA |
6.5 |
6.5-7 |
7-7.5 |
7.5-8 |
8 |
8.5 |
9 |
| JAPAN |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
| Circumference |
52.4 |
53.4 |
54.5 |
55.5 |
56.6 |
57.6 |
58.6 |
| Diameter |
16 2/3 |
17 |
17 1/3 |
17 2/3 |
18 |
18 1/3 |
18 2/3 |
Circumference = the inner measurement around the ring in mm.
Diameter = the inside width of the ring in mm.
If you are unsure about sizing, please contact us on +61419437583 or via
Instagram DM
— we are happy to provide measurements and personalised advice.