IGI Certified Diamonds
Find Your Fit

Jewellery Size Guide

A perfectly fitted piece feels effortless. Use the charts below to find your ring, bangle, or chain size — or reach out and our experts will help you measure.

Rings

Ring Size Chart

US / CanadaUK / AUSIndiaDiameter (mm)Circumference (mm)
5915.749.3
61116.551.9
71417.354.4
81618.157.0
91818.959.5
102019.862.1
112220.664.6
122421.467.2

Tip: measure an existing ring that fits well and match its inner diameter to the chart above.

How To

Measure Your Ring Size

01

Wrap a strip

Wrap a thin strip of paper or string snugly around the base of your finger.

02

Mark & measure

Mark where it overlaps, then measure the length in millimetres with a ruler.

03

Match the chart

Compare your measurement to the circumference column to find your size.

Bangles & Bracelets

Bangle Size Chart

Size (inch)Inner Diameter (mm)Typical Fit
2.257.2Small
2.460.3Medium
2.663.5Large
2.866.7Extra Large

To measure: tuck your thumb toward your little finger and measure around the widest part of your hand, then match it to the inner circumference.

Necklaces & Chains

Chain Length Guide

LengthMetricHow It Sits
16"40 cmChoker — sits at the base of the neck
18"45 cmPrincess — rests on the collarbone (most popular)
20"50 cmMatinee — sits just below the collarbone
22"55 cmFalls a little above the neckline
24"60 cmOpera — rests on the chest

Helpful Tips

  • Measure at the end of the day, when fingers are at their largest.
  • Avoid measuring when your hands are cold — fingers shrink in the cold.
  • For wider bands, consider going up a half size for comfort.
  • If you're between sizes, we recommend choosing the larger one.

Still unsure about your size?

Our jewellery consultants are happy to guide you to the perfect fit and arrange resizing where possible.