The following will assist in choosing the right size ring. When choosing a ring for someone there are a couple of tips which will help to ensure you purchase the correct size.
Access to an existing ring
If you have access to an existing ring simply print out this page (at 100%) and place the ring on the closest size below to determine the correct size.
Ring Finger Strip
Print and cut out the strip below. Place the strip snugly around the finger, the fit should not be too tight and must also be able to slide over your knuckle.