Our ring comes in three different sizes (circumference in milimeter)
S : 47 (US 4)
M : 51.8 (US 6)
L : 58.5 (US 8.5)
How to measure your finger’s circumference
Take a piece string or a strip of paper, wrap it around your finger and mark the two ends where it crosses. Place the string or paper against a ruler. This is the circumference of your finger which you will then need to convert into millimetres.