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 3.02 Carat Round Brilliant and Tapered Baguette Cut Trilogy Engagement Ring in 18ct White Gold
Details
| Vendor | Hardy Brothers Jewellers |
| Metal | 18ct White Gold |
| Main Gemstone | Diamond |
Product Details
Exude refined elegance with this 3.02 Carat Round Brilliant and Tapered Baguette Cut Trilogy Engagement Ring, expertly crafted in polished 18ct White Gold. With a total diamond weight of 3.38ct TDW, this sophisticated design combines classic sparkle with contemporary flair, creating a striking symbol of enduring love.
At its heart rests a certified Round Brilliant Cut centre diamond, graded E colour with VS clarity. Flanking the centre are two Tapered Baguette Cut side stones, each graded G colour with SI2 clarity, adding subtle elegance and enhancing the centre stone’s striking sparkle.





























