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Ring Size Guide

Finding Your Perfect Fit

Use this guide to estimate your ring size at home, or visit a Spence showroom and one of our specialists will be happy to help you find the perfect fit.

For the most accurate result, measure more than once and choose the larger size if you are between two sizes.

Measure an Existing Ring

  1. Select a ring that comfortably fits the intended finger.
  2. Measure the inside diameter of the ring in millimetres.
  3. Compare your measurement to the chart below to find the closest ring size.

Tip: Measure the inside edge only. If your measurement falls between two sizes, choose the larger size for a more comfortable fit.

Measure Your Finger

  1. Use a small piece of string, thread, ribbon, or a flexible measuring tape.
  2. Wrap it snugly around the base of the finger you want to measure.
  3. Mark the point where the ends meet, then measure the length in millimetres.
  4. Use the chart below to find your closest Canadian ring size.

Ring Size Chart

Circumference Canada Ring Size
48.0 mm 4.5
49.3 mm 5
50.6 mm 5.5
51.8 mm 6
53.1 mm 6.5
54.4 mm 7
55.7 mm 7.5
56.9 mm 8
58.2 mm 8.5

Still Having Trouble?

Visit one of our Spence locations and we’ll be happy to help you find your ring size.

Find a showroom

Dreaming of a larger diamond?

Our online preview shows centre diamonds up to 2 carats, but your diamond possibilities go well beyond that. For a larger diamond, visit a Spence showroom to hand-pick your diamond to match your vision.