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 |

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Enquire about Quintessential 1.00 Carat Diamond Solitaire Engagement Ring in 18ct White Gold
Details
| Vendor | Hardy Brothers Jewellers |
| Metal | 18ct White Gold |
| Main Gemstone | Diamond |
| Main Gemstone Cut | Round Brilliant Cut |
Product Details
Crafted in premium 18ct White Gold, this Solitaire Engagement Ring showcases a certified 1.00ct H Colour SI2 Clarity Round Brilliant Cut Diamond, accented by matching H Colour SI2 Clarity Round Brilliant Cut Diamonds along the band for refined brilliance.
Quintessential Engagement is Hardy Brothers Jewellers' iconic and best-selling engagement ring collection, celebrated for its timeless elegance, expert craftsmanship, and luxurious design. This collection features exquisite Solitaire Engagement Rings perfectly designed to complement the classic Quintessential diamond bands.































