Finding Your Ring Size

blue sapphire halo ring

Request a Free Ring Sizer

We are happy to help you figure out the right ring size, or send you a free ring sizing kit anywhere in the US or Canada. Click ask a designer or livechat to request help or a kit.

Helpful Hints

  • Wider rings will feel much tighter than narrow rings, and top heavy solitaires need to be fairly tight to avoid excessive spinning.
  • For surprise designs, be sure you are measuring a similar width ring that fits on the same finger.
  • Make sure the finger is at normal temperature, fingers shrink when cold
  • Measure more than once as finger size can also vary with diet, exercise, etc. from 1/4 to 1/2 size
  • If your knuckle is larger, ask your designer about a euro shank. (There are two versions; softly squared to fit over the knuckle, and round with weighted lower corners.)
  • For a very large knuckle, an adjustable fit shank can be added to many designs as well as to many existing rings.


Sizing and Adjustable Shank info


 
ring stack We need to know the size of the ring early in the design process. We have several ways to help you determine the size of the ring you want.

If you have a ring that fits, you can use this chart. You will need to print it out and place it on a flat surface. *When printing, make sure that you do not resize the page at all. Doing so will affect the size of the ring circles, giving an inaccurate reading. Click here to download the ring size chart.

You can estimate size by measuring the circumference of your finger, using the chart below. As this is not perfectly accurate, ideally have a jeweler measure your finger, or ask us to send you finger sizers.

It is very important that you measure your finger several times on different days, and at different times of day... and note, very few people ask us for a size that is too small.

Once you have the circumference, either in inches or millimeters, find the size on the chart below or use the size lookup below.

US  Size Cir.in inch Cir. in MM British  French  German  Japanese  Swiss 
0000 1.23 31.1 - - - - -
00 1.33 33.7 - - - - -
0 1.43 36.3 - - - - -
1/2 1.48 37.6 A - - - -
3/4 1.51 38.3 A 1/2 - - - -
1 1.54 39.0 B - - 1 -
1 1/4 1.56 39.6 B 1/2 - - - -
1 1/2 1.58 40.2 C - - - -
1 3/4 1.61 40.8 C 1/2 - - - -
2 1.64 41.5 D 41 1/2 13 1/2 2 1 1/2
2 1/4 1.66 42.1 D 1/2 - - - -
2 1/2 1.68 42.7 E 42 3/4 13 3/4 3 2 3/4
2 3/4 1.71 43.4 E 1/2 - - - -
3 1.73 44.0 F 44 14 4 4
3 1/8 1.75 44.3 F 1/2 - - - -
3 1/4 1.76 44.6 - - - - -
3 3/8 1.77 44.9 G 45 1/4 - 5 5 1/4
3 1/2 1.78 45.2 - - 14 1/2 - -
3 5/8 1.79 45.5  G 1/2 - - 6 -
3 3/4 1.81 45.9 H 46 1/2 - - 6 1/2
US  Size Cir.in inch Cir. in MM British  French  German  Japanese  Swiss 
4 1.83 46.5 H 1/2 - 15 7 -
4 1/4 1.86 47.1 47 3/4 - - 7 3/4
4 1/2 1.88 47.8 I 1/2 - 15 1/4 8 -
4 5/8 1.90 48.1 J 49 15 1/2 - 9
4 3/4 1.91 48.4 - - - - -
5 1.93 49.0 J 1/2 - 15 3/4 9 -
5 1/8 1.94 49.3 K 50 - - 10
5 1/4 1.95 49.6 - - - - -
5 3/8 1.97 50.0 K 1/2 - - 10 -
5 1/2 1.98 50.3 L 51 3/4 16 - 11 3/4
5 3/4 2.01 50.9 - - - - -
5 7/8 2.02 51.2 L 1/2 - - - -
6 2.03 51.5 M 52 3/4 16 1/2 12 12 3/4
6 1/4 2.06 52.2 M 1/2 - - - -
6 1/2 2.08 52.8 N 54 17 13 14
6 3/4 2.10 53.4 N 1/2 - - - -
7 2.13 54.0 O 55 1/4 17 1/4 14 15 1/4
7 1/4 2.16 54.7 O 1/2 - - - -
7 1/2 2.18 55.3 P 56 1/2 17 3/4 15 16 1/2
7 3/4 2.20 55.9 P 1/2 - - - -
US  Size Cir.in inch Cir. in MM British  French  German  Japanese  Swiss 
8 2.23 56.6 Q 57 3/4 18 16 17 3/4
8 1/4 2.25 57.2 Q 1/2 - - - -
8 1/2 2.28 57.8 - - 18 1/2 17 -
8 5/8 2.29 58.1 R 59 - - 19
8 3/4 2.30 58.4 - - - - -
8 7/8 2.31 58.7 R 1/2 - - - -
9 2.33 59.1 - - 19 18 -
9 1/8 2.34 59.4 S 60 1/4 - - 20 1/4
9 1/4 2.35 59.7 - - - - -
9 3/8 2.36 60.0 S 1/2 - - - -
9 1/2 2.38 60.3 - - 19 1/2 19 -
9 5/8 2.39 60.6 T 61 1/2 - - 21 1/2
9 3/4 2.40 60.9 - - - - -
10 2.43 61.6 T 1/2 - 20 20 -
10 1/4 2.45 62.2 U 62 3/4 - 21 22 3/4
10 1/2 2.47 62.8 U 1/2 - 20 1/4 22 -
10 5/8 2.49 63.1 V 63 - - 23 3/4
10 3/4 2.50 63.5 - - - - -
11 2.53 64.1 V 1/2 - 20 3/4 23 -
11 1/8 2.54 64.4 W 65 - - 25
US  Size Cir.in inch Cir. in MM British  French  German  Japanese  Swiss 
11 1/4 2.55 64.7 - - - - -
11 3/8 2.56 65.0 W 1/2 - - - -
11 1/2 2.57 65.3 - - 21 24 -
11 5/8 2.58 65.6 X 66 1/4 - - 26 1/4
11 3/4 2.60 66.0 - - - - -
11 7/8 2.61 66.3 X 1/2 - - - -
12 2.62 66.6 Y 67 1/2 21 1/4 25 27 1/2
12 1/4 2.65 67.2 Y 1/2 - - - -
12 1/2 2.68 67.9 Z 68 3/4 21 3/4 26 28 3/4
12 3/4 2.70 68.5 Z 1/2 - - - -
13 2.72 69.1 - - 22 27 -
13 1/4 2.78 70.7 - - - - -
13 1/2 2.81 71.3 - - - - -
13 3/4 2.83 72.0 - - - - -
14 2.86 72.6 - - - - -