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 6.55 Carat Diamond Baguette Tennis Necklace in 18ct White Gold
Details
| Vendor | Hardy Brothers Jewellers |
| Metal | 18ct White Gold |
| Length | 425mm |
| Main Gemstone | Diamond |
| Main Gemstone Carat Weight | 6.55 |
| Diamond Colour | G-H |
| Diamond Clarity | SI1 |
Read more information regarding our Product Disclaimers.
Product Details
Exquisite and enduring, this tennis necklace showcases 82 baguette-cut diamonds totalling 6.55 carats. With G–H colour and SI1 clarity, each diamond is meticulously set to form a continuous line of sleek, mirror-like brilliance. Measuring 42.50cm in length, this necklace is a striking statement of modern sophistication and timeless luxury.
























