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Determining Your Ring Size


Before you purchase a diamond ring it is important to know what ring size you need. Please follow the directions below on how to measure your finger size correctly.


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Method A - Measuring Your Finger

  • Find a piece of non-stretchy string about 6" long, or a strip of paper about 6" long and 1/4" wide.
  • Wrap it snugly around the base of your finger.
  • Using a pen, mark the point on the string or paper where it overlaps, forming a complete circle.
  • Compare the length of the string or paper to the lines on the paper below to determine your ring size.
  • Note: If you are between sizes, order the larger size.

Tips for Measuring your Ring Size

  • Confirm the printed paper size with a ruler.
  • Measure your finger in warm temperatures at the end of the day.
  • Pull tightly. The sizer must fit snugly to produce an accurate size.

Tips for Buying a Surprise Ring

  • Ask your intended recipientís mother or friend if they know his/her finger size.
  • Borrow one of your partner's rings (from the correct finger) and use the Ring Sizer PDF to determine its size.

Ring Size Chart

US UK Europe (mm)
3 F 44.2
3 1/2 G 45.5
4 H 46.8
4 1/2 I 48.0
5 J 1/2 49.3
5 1/2 K 1/2 50.6
6 L 1/2 51.9
6 1/2 M 1/2 53.1
7 N 1/2 54.4
7 1/2 O 1/2 55.7
8 P 1/2 57.0
8 1/2 Q 1/2 58.3
9 R 1/2 59.5
9 1/2 S 1/2 60.8
10 T 1/2 62.1
10 1/2 U 1/2 63.4
11 V 1/2 64.6
11 1/2 W 1/2 65.9
12 X 1/2 67.2
12 1/2 Y 68.5
13 Z 69.7
13 1/2 Z1 71.0