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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Subtract the case size of the timepiece from your wrist measurement
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Enquire about Vault® 5.40 Carat Yellow and White Diamond Drop Earrings in 18ct Yellow and White Gold
Product Description
Suspended with elegant movement, these Vault® earrings feature a radiant interplay of yellow and white gold, showcasing a distinctive two-tone design. At the centre of each drop sits a luminous cushion-cut yellow diamond, its warm hue intensified by the surrounding white diamonds that trace the polished white gold accents. This refined contrast enhances the vibrancy of the yellow stones while adding a delicate scintillation with every movement.
Only one in every 10,000 diamonds possesses a natural fancy colour, representing just 0.01% of total global diamond production. Formed deep within the earth up to billions of years ago, these extraordinary gems are among the rarest and most valuable in the world. Their remarkable scarcity elevates the significance of the yellow diamonds featured in this design, imbuing the earrings with both prestige and enduring allure.
































