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How to measure your ring size・Ring gauge free rental service

For those who don't know their ring size.
We will teach you how to easily measure with things you have at home and how to use a ring gauge correctly. In order to enjoy the fashion of your fingertips, please take this opportunity to check your ring size.

How to measure ring size

[When measuring from your own ring]
Please measure the diameter of your ring and find out from the table below. We recommend that you measure accurately using calipers, etc.

[When measuring with your own fingers]
Or you can easily measure using sticky notes or string, so please try it.
*This measurement method may differ from the actual ring size. We recommend that you measure the size as a guide and check the exact size with a ring gauge measurement.

≫About free ring gauge rental service

[1] Prepare a non-stretchable piece of paper or octopus thread about 5mm wide to wrap around your finger.
[2] Wrap it around the thickest part of the finger (around the second joint), such as the joint.
[3] Turn it around and mark the overlapped part. (Not too loose, not too tight, image when wearing the ring)
[4] Spread it out and measure the length from mark to mark and check it in the table below.

ring size chart

Issue number Finger circumference (mm) Issue number Finger circumference (mm)
No. 1 40.8mm No. 15 55.5mm
No. 2 41.9mm No. 16 56.6mm
No. 3 42.9mm No. 17 57.6mm
No. 4 44.0mm No. 18 58.6mm
No. 5 45.0mm No. 19 59.7mm
No. 6 46.1mm No. 20 60.7mm
No. 7 47.1mm No. 21 61.8mm
No. 8 48.2mm No. 22 62.8mm
No. 9 49.2mm No. 23 63.9mm
No. 10 50.3mm No. 24 64.9mm
No. 11 51.3mm No. 25 66.0mm
No. 12 52.4mm No. 26 66.9mm
No. 13 53.4mm No. 27 68.0mm
No. 14 54.5mm No. 28 69.0mm

We recommend that you check the size before ordering.

If you are unsure about the size, we will lend you a ring gauge for free.

For customers who are worried about just checking the size chart, we also offer a free ring gauge rental service.

After checking the approximate size in the size chart above, please contact us via chat or email ( with the three sizes you are interested in.
We will send you a ring gauge of your desired size, so please check the size that fits your finger.

Also, the size may differ in the morning and evening due to swelling of the fingers. We recommend that you take your measurements twice, once in the morning and once in the evening, even if it is a hassle .

■About returning the ring gauge

When we send you the ring gauge, we will also include a stamp, so please affix the stamp and return it within one week.

Regarding ring size correction after delivery

Whether or not the ring can be resized after delivery and the cost will vary depending on the type of ring. Please check each product page or contact us.