Forever Aesthetic standard ring sizes measure:
XS (US 4)
S (US 5.5)
M (US 6.5)
L (US 7.5)
XL (US 9)
If you require a particular size outside of these, we can certainly accommodate a custom order for you.
The below chart will help you to find your ring size, you can also visit your local jeweller who can measure your finger for you. Alternatively please feel free to contact me for further assistance.