Size Guide
Choosing the perfect ring size is an essential part of the Hardy Brothers experience.
Our guide below will help you find the most accurate fit, ensuring comfort, elegance, and a seamless expression of luxury.
| Australian Size | Inside Circumference (mm) |
|---|---|
| H | 46.0 |
| H ½ | 46.6 |
| I | 47.2 |
| I ½ | 47.9 |
| J | 48.3 |
| J ½ | 49.3 |
| K | 49.6 |
| K ½ | 50.3 |
| L | 50.5 |
| L ½ | 51.5 |
| M | 51.8 |
| M ½ | 52.5 |
| N | 53.1 |
| N ½ | 53.8 |
| O | 54.5 |
| O ½ | 54.8 |
| P | 55.7 |
| P ½ | 56.4 |
| Q | 57.1 |
| Q ½ | 57.6 |
| R | 58.4 |
| R ½ | 59.1 |
For the most precise fit, we invite you to visit a Hardy Brothers boutique where our specialists will personally measure your finger and ensure your chosen piece is crafted to perfection.

Hardy Brothers uses standard Australian ring sizes.
| Australian Size | Inside Circumference(mm) |
| M 1/2 | 55.7 |
| N | 57.0 |
| N 1/2 | 58.3 |
| O | 59.6 |
| O 1/2 | 60.9 |
| P | 62.2 |
| P 1/2 | 63.5 |

Cut out the length chart
Measure your wrist
Subtract the case size of the timepiece from your wrist measurement
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Be sure to print this guide at 100%
Measure this box to check accuracy


Enquire about Jewellery Care Plan (1 piece) - 5 Years
Details
| Vendor | Hardy Brothers Jewellers |
Product Details
The Hardy Brothers Jewellery Care Plan is supported by over 100 years of jewellery expertise to protect your most treasured purchase.
Our exclusive Jewellery Care Plans are available in both 5 and 10 year packages, so you can choose the plan that suits best.
The plan covers the following services at no charge*:
- Ring resizing*
- Re-tipping of claws
- Gemstone tightening
- Refinishing and polishing
- Cleaning and inspecting
- Earring repair*
- Chain and bracelet soldering
- Rhodium plating white gold (refer to “what is covered” in terms and conditions)
- Resetting diamonds and gemstones*
- Clasp replacement
- Complimentary inspection of your jewellery piece once every twelve months
- Exclusive access to the ‘Grow Your Diamond’ program
* See Terms and Conditions

























