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
-
Be sure to print this guide at 100%
Measure this box to check accuracy


Enquire about 5.30 Carat Cushion Cut Solitaire Engagement Ring in 18ct Yellow Gold
Details
| Vendor | Hardy Brothers Jewellers |
| Metal | 18ct Yellow Gold |
| Main Gemstone | Diamond |
Product Details
Indulge in the extraordinary with this breath-taking 5.30 Carat Cushion Cut Solitaire Engagement Ring, masterfully crafted in radiant 18ct Yellow Gold. A celebration of timeless elegance and remarkable presence, this piece is designed for those who desire an engagement ring that is nothing short of unforgettable.
At its heart lies a magnificent GIA-certified 5.30ct cushion cut diamond, chosen for its exceptional proportions. With a K colour and refined VS1 clarity, the stone exudes a soft, romantic glow. Its generous size and enchanting sparkle create a centrepiece that commands admiration from every angle.































