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 4.27 Carat Emerald Cut Sapphire and 0.80 Carat Emerald Cut Diamond Trilogy Ring in 18ct White Gold
Details
| Vendor | Hardy Brothers Jewellers |
| Metal | 18ct White Gold |
| Main Gemstone | Blue Sapphire |
| Main Gemstone Cut | Emerald Cut |
| Main Gemstone Carat Weight | 4.27ct |
| Secondary Gemstone | Natural Diamond |
| Secondary Gemstone Cut | Emerald Cut |
| Secondary Gemstone Carat Weight | 2 x 0.40ct |
| Diamond Colour | VS1 |
| Diamond Clarity | G |
Product Description
Refined and timeless, this trilogy ring features a captivating 4.27 carat emerald cut sapphire, its blue tone framed by 0.80 carats of emerald cut diamonds that echo the centre stone’s clean, linear facets. Crafted in polished 18ct white gold, the design offers a balanced, architectural elegance while the trilogy setting symbolises past, present and future in a piece destined for everyday sophistication.



























