Find Your Fit

Discover your ideal fit or find the perfect gift with our comprehensive size guide. It’s time to find out exactly what suits you best.

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Ring Size Guide

Size US Diameter (mm) Size France
3 14.1 / 44.2 44
3 1/2 14.5 / 45.5 45.5
4 14.9 / 46.8 47
4 1/2 15.3 / 48.0 48
5 15.7 / 49.3 49.5
5 1/2 16.1 / 50.6 50.5
6 16.5 / 51.9 52
6 1/2 16.9 / 53.1 53
7 17.3 / 54.4 54.5
7 1/2 17.7 / 55.7 56
8 18.1 / 57 57
8 1/2 18.5 / 58.3 58.5
9 18.9 / 59.5 59.5
10 19.8 / 62.1 62.5

Follow These Steps

Method 1 - Measure Your Finger

  1. Start by taking a tape measure, a piece of string, or a strip of paper.
  2. Wrap it around your intended finger, marking the spot where it meets. If planning a ring stack, think about the stack’s placement on your finger.
  3. Measure the marked length on a flat surface with a ruler, then compare it to the provided size chart to find your matching ring size.
Find Your Fit

Method 2 - Measure Your Ring

  1. Select a ring that fits you comfortably.
  2. Measure the inside diameter of this ring in millimeters.
  3. Refer to the provided sizing chart to find the nearest match to your ring’s diameter .
Find Your Fit

Use Our Ring Sizer

How to Use the Ring Sizer On my Mobile

1

Scan QR Code using your mobile phone

2

Use your credit card as a size reference

3

Follow the instructions to find your ring size

Discover All Rings

MAKE IT SPECIAL

Complementary Kooheji's Jewellery signature gift wrapping for a special gift.

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