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Ring Size Guide

Find your perfect ring size with our comprehensive guide.

Important Reminders

Before you print the guide, be sure to check that page scaling is set to "none" or "100%" on your print dialog box. Use an A4 paper in printing the ring size guide.
To ensure the accuracy of the printed sizer, use a ruler and measure the bar in the box to the right
Measure the right finger on the correct hand. Engagement rings and wedding rings are traditionally worn on the fourth finger on the left hand.
Pull the sizer tightly. The sizer must fit snugly to produce an accurate size.
Body temperature can affect the ring size. Fingers can shrink or expand when hot or cold. Measure the finger at a normal body temperature.
Your fingers tend to change size throughout the day. Measure your finger in the evening so your ring will be comfortable after a typical day of activity.
If your knuckle is bigger, take 2 measurements and choose a size in between — ring needs to fit over knuckle but not be too loose or it will shift around.
Rings over 5mm in width will fit a bit tighter than rings of the same size in narrower widths. The wider the band, the tighter it may feel. You may need to go up by a half.

Printed Paper Size

Please read carefully

Measure the above bar to ensure it has printed exactly 2 inches, or 50mm, long. If measurement is not accurate, ring size measurement will not be completed properly.

Getting Your Ring Size

Option 1:

Cut a piece of string, yarn or a thin strip of paper to at least 3 inches long
Wrap it around the base of the finger. Make sure it's snug to produce an accurate size.
Mark where the ends overlap using a pen or a marker
Lay the string/yarn/paper flat against a ruler to measure the length in millimeters
Use the Ring Size Conversion Chart below to find the corresponding ring size.

Option 2:

Before you print the guide, be sure to check that page scaling is set to "none" or "100%" on your print dialog box. Use an A4 paper in printing the ring size guide.
To ensure the accuracy of the printed sizer, use a ruler and measure the bar in the box to the right
Measure the right finger on the correct hand. Engagement rings and wedding rings are traditionally worn on the fourth finger on the left hand.

Option 3:

Place a ring that you already own (or have borrowed, if this is a surprise engagement or a gift) over the circles to the right.
Match the inside of the ring to the circle nearest in size. The measurements shown refer to the inside diameter of the ring.

Ring Size Conversion Chart

Measurements are equivalent to the interior circumference of the corresponding ring size

Ring Size Chart

The Diamond Finery rings are specified in standard US sizes. View the conversion chart to see how US sizes map to finger circumference, as well as how US sizes convert to Canada, Australia, UK and other countries.

Inside Circumference		US, Canada, Mexico	UK, Australia, Ireland, New Zealand, South Africa	France	Germany, Russia, Ukraine, Asia	India, China, Japan, South America, Turkey, Israel	Italy, Spain, Netherlands, Switzerland
IN	MM	US, Canada, Mexico	UK, Australia, Ireland, New Zealand, South Africa	France	Germany, Russia, Ukraine, Asia	India, China, Japan, South America, Turkey, Israel	Italy, Spain, Netherlands, Switzerland
1.74	44.2	3	F	44	14	4	4
1.77	44.8	3.25	F 1/2	44.625	14.25	---	4.625
1.79	45.5	3.5	G	45.25	14.5	5	5.25
1.82	46.1	3.75	G 1/2	48.875	14.75	6	5.875
1.84	46.8	4	H	46.5	15	7	6.5
1.87	47.4	4.25	H 1/2	47.125	15.25	---	7.125
1.89	48	4.5	I	47.75	15.5	8	7.75
1.92	48.7	4.75	J	48.375	---	---	8.375
1.94	49.3	5	J 1/2	49	15.75	9	9
1.97	50	5.25	K	49.625	16	---	9.625
1.99	50.6	5.5	K 1/2	50.25	16.25	10	10.25
2.02	51.2	5.75	L	5.875	---	11	10.875
2.04	51.9	6	L 1/2	51.5	16.5	12	11.5
2.07	52.5	6.25	M	52.125	16.75	---	12.125
2.09	53.1	6.5	M 1/2	52.75	17	13	12.75
2.12	53.8	6.75	N	53.375	---	---	13.375
2.14	54.4	7	N 1/2	54	17.25	14	14
2.17	55.1	7.25	O	54.625	17.5	---	14.625
2.19	55.7	7.5	O 1/2	55.25	17.25	15	15.25
2.22	56.3	7.5	P	55.875	---	---	15.875
2.24	57	8	P 1/2	56.5	18	16	16.5
2.27	57.6	8.25	Q	57.125	18.25	---	7.125
2.29	58.3	8.5	Q 1/2	57.75	18.5	17	17.75
2.32	58.9	8.75	R	58.375	18.75	---	18.375
2.34	59.5	9	R 1/2	59	19	18	19
2.37	60.2	9.25	S	59.625	19.25	---	19.625
2.39	60.8	9.5	S 1/2	60.25	19.5	19	20.25
2.42	61.4	9.75	T	60.875	19.75	---	20.875
2.44	62.1	10	T 1/2	61.5	20	20	21.25
2.47	62.7	10.25	U	62.125	20.25	21	22.125
2.49	63.4	10.5	U 1/2	62.75	20.5	22	22.75
2.52	64	10.75	V	63.375	---	---	23.375
2.54	64.6	11	V 1/2	64	20.75	23	24
2.57	65.3	11.25	W	64.625	---	---	24.625
2.59	65.9	11.5	W 1/2	65.25	21	24	25.25
2.62	66.6	11.75	X	65.875	---	---	25.875
2.65	67.2	12	X 1/2	66.5	21.25	25	26.5
2.68	68.1	12.25	Y	67.75	21.5	---	27.125
2.71	68.5	12.5	Z	67.75	21.75	26	27.75
2.72	69.1	12.75	Z 1/2	68.375	---	---	28.375
2.75	69.7	13	---	69	22	27	29

How to Get Your Ring Size

Getting your ring size right shouldn't be a guessing game. In just a couple of minutes, this quick guide walks you through a simple and reliable way to measure your ring size from home—no jeweler visit required.

Step 1. Print the Ring Size Guide

Download and print the Diamond Finery Ring Size Guide on an A4 sheet.

Step 2. Cut Out the Sizing Strip

Carefully cut along the outlined sizing strip using scissors. Make sure the strip remains intact for the best results.

Step 3. Measure Your Finger

Wrap the sizing strip around the base of your finger until it fits snugly—not too tight or too loose. Read the indicated size where the strip overlaps.

Already Have a Ring?

If you already own a ring that fits comfortably, simply place it over the ring size circles on the reference guide. Match the inside edge of your ring with the closest circle to determine your size.