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 13.97 Carat Australian Sapphire and Diamond Ring in 18ct White Gold
Details
| Vendor | Hardy Brothers Jewellers |
| Metal | 18ct White Gold |
| Main Gemstone | Sapphire |
Product Details
A celebration of rarity and origin, this striking Vault ring showcases a remarkable 13.97 carat non-heat treated Australian Sapphire set in 18ct White Gold. Unaltered by heat treatment, the sapphire preserves its natural inclusions and deep, midnight blue tone—characteristics prized among connoisseurs for their authenticity and depth.
Encircled by a dramatic diamond halo that elevates the gem’s rich hue, this one-of-a-kind creation is certified by GSL (AA 64378) and exemplifies the unrepeatable beauty of Australian-origin gemstones.
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