Measure an existing ring

  1. Select one of your existing rings that fits your desired finger
  2. Measure the internal diameter of the ring (mm)
  3. Compare this against our chart below to find your perfect ring size.

Don't have a ring to measure? Measure your finger

  1. Wrap a piece of paper or string around your finger where you would like your ring to sit
  2. With a pen, mark where the string overlaps
  3. Stretch the length of the string against a ruler and record the length (mm). This will be your circumference.
  4. Use the below chart to determine your ring size.
  
LADIES RING SIZE GUIDE
Inside diameter (mm) Inside circumference (mm) Australian Size US Size
14.65 46.02 H 3 3/4
14.86 46.68 H 1/2 4
15.04 47.25 I 4 1/4
15.27 47.97 I 1/2 4 1/2
15.4 48.38 J 4 5/8
15.7 49.32 J 1/2 5
15.8 49.64 K 5 1/8
16 50.27 K 1/2 5 3/8
16.1 50.58 L 5 1/2
16.41 51.55 L 1/2 5 7/8
16.51 51.87 M 6
16.71 52.5 M 1/2 6 1/4
16.92 53.16 N 6 1/2
17.13 53.82 N 1/2 6 3/4
17.35 54.51 O 7
17.45 54.82 O 1/2 7 1/4
17.75 55.76 P 7 1/2
17.97 56.45 P 1/2 7 3/4
18.19 57.15 Q 8
18.35 57.65 Q 1/2 8 1/4
18.61 58.47 R 8 5/8
18.8 59.06 R 1/2 8 7/8
19.1 60 S 9 1/8
19.31 60.66 S 1/2 9 3/8
19.51 61.29 T 9 5/8
19.84 62.33 T 1/2 10

 

 

GENTS RING SIZE GUIDE
Inside diameter (mm) Inside circumference (mm) Australian Size US Size
17.35 54.51 O 7
17.45 54.82 O 1/2 7 1/4
17.75 55.76 P 7 1/2
17.97 56.45 P 1/2 7 3/4
18.19 57.15 Q 8
15.7 49.32 J 1/2 5
18.35 57.65 Q 1/2 8 1/4
18.61 58.47 R 8 5/8
18.8 59.06 R 1/2 8 7/8
19.1 60 S 9 1/8
19.31 60.66 S 1/2 9 3/8
19.51 61.29 T 9 5/8
19.84 62.33 T 1/2 10
20.02 62.89 U 10 1/4
20.2 63.46 U 1/2 10 1/2
20.32 63.84 V 10 5/8
20.68 64.97 V 1/2 11
20.94 65.78 W 1/2 11 3/8
21.18 66.54 X 11 5/8
21.3 66.92 X 1/2 11 7/8
21.49 67.51 Y 12
21.69 68.14 Y 1/2 12 1/4
21.89 68.77 Z 12 1/2
22.1 69.43 Z + 1/2 12 3/4
22.33 70.15 Z + 1 13
22.6 71 Z +1.5 13 1/2

 

Tips and tricks

  • Your fingers shrink and expand throughout the day, it is best to measure your finger size at the end of the day.
  • Make sure you measure the finger you intend to wear your ring on, each hand and finger may slightly differ in size.
  • If you are in between sizes, we recommend sizing up.
  • Ensure the size you have chosen allows enough room for the ring to easily pass along the entire finger.
  • Please note, the style of ring will also impact the choice of size. A larger ring may sit looser than a finer ring.

Still not sure?

Visit us in store for a personalised sizing assessment where one of our fine jewellery specialists will help you find your best fit.


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