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® 6.65 Carat White Diamond and 0.30 Carat Pink Diamond Ring in 18ct White and Rose Gold
Product Description
This extraordinary Vault® 6.95 Carat White and Pink Diamond Ring exudes timeless French elegance and unparalleled craftsmanship.
At its centre sits a stunning 1.54 carat GIA-certified marquise cut diamond. Surrounding the centre stone is a halo of pink diamonds, totalling 0.18 carats. Adding an exclusive touch, four 0.12ct total weight heart-cut pink diamonds are subtly set beneath the ring, a hidden detail designed to delight the wearer with a secret sparkle.
Additionally, there are a total of 5.11 carats of natural G-colour, VS1-clarity brilliant white diamonds, which extend from the halo and continue seamlessly along the band, ensuring captivating brilliance from every angle.
Exclusively designed for the discerning collector, this exceptional piece transcends fine jewellery—it is a rare heirloom, destined to be admired and treasured for generations.


































