- 1 Download Our Guide to Measure the internal diameter of a ring you own that mirrors the fit you want for your new piece.
- 2 Place the band of your ring on the chart to find which letter is your ring size.
RING SIZE GUIDE
- 1 Measure the lines marked A and B to confirm your page is the right size.
- 2 Cut around the ring sizer's serrated lines and the slit at the top.
- 3 Push the opposite end of your sizer through the slit and place on your finger.
- 4 Check the line and make a note of your letter, then match up with our table.