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Ring Size Guide

To help you find the perfect fit, we recommend using one of the two methods below.

METHOD 1: MEASURE AN EXISTING RING (RECOMMENDED)

  1. Choose a ring that fits the finger you’re shopping for.
  2. Place the ring flat on a table.
  3. Using a ruler, measure the inside diameter of the ring from inner edge to inner edge, straight across the centre.
  4. Do not include the band thickness or outer edges, measure only the empty space inside the ring.
  5. Match your measurement to the size chart below.

Inside Diameter Size Chart (mm):

  • 15.7 mm → Size 5
  • 16.5 mm → Size 6
  • 17.3 mm → Size 7
  • 18.1 mm → Size 8

Tip: Measure in millimetres (mm) for the most accurate result.

How to Measure an Existing Ring

  1. Place a ring that fits comfortably on a flat surface
  2. Measure the inside diameter straight across the centre
  3. Match your measurement to the size chart

Measure the inside edge only. Do not include the band thickness.

Ring Size Conversion

Finger Measurement (mm) US Ring Size
15.7 mm Size 5
16.5 mm Size 6
17.3 mm Size 7
18.1 mm Size 8
 
METHOD 2: STRING / PAPER MEASUREMENT METHOD
  1. Wrap a piece of string or thin paper strip snugly around the base of your finger.
  2. Make sure it’s firm but comfortable, not too tight.
  3. Mark where the string or paper overlaps.
  4. Lay it flat and measure the length in millimetres (mm).
  5. Match your measurement to the size guide below.

Finger Circumference Size Guide:

  • 49–50 mm → Size 5
  • 52 mm → Size 6
  • 54–55 mm → Size 7
  • 57 mm → Size 8

Tip: Measure at the end of the day when fingers are at their largest.

BETWEEN SIZES?

If you’re between two sizes, we recommend sizing up for a more comfortable fit.

How to Measure Your Finger
  1. Wrap a piece of string or paper snugly around the base of your finger.
  2. Mark where the end of the string overlaps.
  3. Measure the length with a ruler and match it to the size chart below.

Ring Size Conversion

Finger Measurement (mm) US Ring Size
47 mm Size 5
52 mm Size 6
54 mm Size 7
57 mm Size 8

Measurements are approximate. If between sizes, we recommend sizing up. Our website uses US sizing (United States).

For the most accurate measurement, measure your finger at the end of the day when it is likely to be at its largest.