If you don't know your ring size there are two easy ways you can measure for your own ring. Firstly you can print out our ring size pdf here (make sure your printer is set to print at 100%) and measure an existing ring, or you can email us your details and we can send you a simple ring sizer in the post.
Make sure your ring fits your finger comfortably. It needs to feel tight enough so that it doesnt slip or fall off, but loose enough to be easy to take off.
Your fingers will change size depending on the time of day and the weather. For best results measure your finger size at the end of the day and when your fingers are warm.
You should also measure your finger size multiple times at different times of the day to ensure accuracy.