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 VAULT® 4.00 CARAT MOZAMBIQUE RUBY AND 0.70 CARAT DIAMOND TRILOGY RING IN 18CT YELLOW AND WHITE GOLD
Product Description
Celebrated for their vivid glow and timeless allure, the ruby at the centre of this Vault® trilogy ring captivate with a rich red intensity that seems to radiate from within, enhanced by sunlight to reveal their natural fluorescence. Crafted in polished 18ct yellow and white gold, the central oval Mozambique ruby is flanked by two pear-cut diamonds, creating a refined trilateral composition that balances colour and brilliance with precision. The introduction of Mozambique rubies to the market brought with them a high-quality source in a consistency never before seen - their formation tied to remarkable geological forces. Named from the Sanskrit word for ‘king of gems,’ rubies have long been favoured by royalty, and this ring carries that legacy forward, combining exceptional gemstones, meticulous craftsmanship, and the distinctive prestige of the Vault® collection.
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