There are several ways to check your size before you buy. The most accurate is to visit a Jewellers. Below is a guide if you are buying for somebody else or want to measure your ring at home. Simply measure the finger you are buying for.
We have compiled a table with ring size measurements to help you find the right size:
Ring Size(UK) Measurement(mm)
Will my ring size vary depending on the style of ring?
A ring that has a deep band width will need to be slightly larger than your normal rings.