In the mood to buy a ring? (Who isn't, right!?) Maybe you have your eye on a sparkling piece but are hesitant to buy it because you aren’t sure of your ring size. Fortunately, we'll fill you in on ...

1. Use a string to wrap around the base of your finger. Stretch out the length of the string over a ruler and note the length in millimeters. A sewing tape measure will also do the trick. You can use ...