Ring Size Guide
Finding the right fit should be simple. Use our ring size guide to compare New Zealand and Australian sizing with international measurements.
How to find your ring size
Choose a ring that fits
Select a ring that already fits the finger you plan to wear your new piece on.
Measure the inside diameter
Measure straight across the inside of the ring at its widest point in millimetres.
Match it to the chart
Use your diameter measurement below to find the corresponding New Zealand or Australian ring size.
Between sizes? We generally recommend choosing the larger size for comfort.
Ring Size Chart
On mobile, swipe across the table to view international conversions.
| Circumference (mm) | Diameter (mm) | NZ / Australia | US / Canada | China / Japan / Singapore | Hong Kong |
|---|---|---|---|---|---|
| 44.2 | 14.1 | F | 3 | 4 | 6 |
| 44.8 | 14.3 | F ½ | 5 | ||
| 45.5 | 14.5 | G | 3 ½ | 7.5 | |
| 46.1 | 14.7 | G ½ | 6 | ||
| 46.8 | 14.9 | H | 4 | 7 | 9 |
| 47.4 | 15.1 | H ½ | |||
| 48.0 | 15.3 | I | 4 ½ | 8 | 10 |
| 48.7 | 15.5 | J | |||
| 49.3 | 15.7 | J ½ | 5 | 9 | 11 |
| 50.0 | 15.9 | K | |||
| 50.6 | 16.1 | K ½ | 5 ½ | 10 | 12 |
| 51.2 | 16.3 | L | |||
| 51.9 | 16.5 | L ½ | 6 | 11 | 13 |
| 52.5 | 16.7 | M | 12 | ||
| 53.1 | 16.9 | M ½ | 6 ½ | 13 | 14.5 |
| 53.8 | 17.1 | N | |||
| 54.4 | 17.3 | N ½ | 7 | 14 | 16 |
| 55.1 | 17.5 | O | |||
| 55.7 | 17.7 | O ½ | 7 ½ | 15 | 17 |
| 56.3 | 17.9 | P | |||
| 57.0 | 18.1 | P ½ | 8 | 16 | |
| 57.2 | 18.2 | 18 | |||
| 57.6 | 18.3 | Q | |||
| 58.3 | 18.5 | Q ½ | 8 ½ | 17 | 19 |
| 58.9 | 18.8 | R | |||
| 59.5 | 19.0 | R ½ | 9 | 18 | 20.5 |
| 60.2 | 19.2 | S | |||
| 60.8 | 19.4 | S ½ | 9 ½ | 19 | 22 |
| 61.4 | 19.6 | T | |||
| 62.1 | 19.8 | T ½ | 10 | 20 | 23 |
| 62.7 | 20.0 | U | 21 | ||
| 63.4 | 20.2 | U ½ | 10 ½ | 22 | 24 |
| 64.0 | 20.4 | V | |||
| 64.6 | 20.6 | V ½ | 11 | 23 | 25 |
| 65.3 | 20.8 | W | |||
| 65.9 | 21.0 | W ½ | 11 ½ | 24 | 26 |
| 66.6 | 21.2 | X | |||
| 67.2 | 21.4 | X ½ | 12 | 25 | 27.75 |
| 67.8 | 21.6 | Y | |||
| 68.5 | 21.8 | Z | 12 ½ | 26 | |
| 69.1 | 22.0 | Z ½ | |||
| 69.7 | 22.2 | 13 | 27 | 30 | |
| 70.4 | 22.4 | Z + 1 | |||
| 71.0 | 22.6 | 13 ½ |
Still unsure of your size?
Our team can help you choose the right fit before placing your order.
Get in touchBook a consultation
Jewellery That Means Something
LAGANI was created around a simple idea: jewellery should feel personal.
The pieces we choose often represent far more than what can be seen. They can mark love, achievement, family, new beginnings, memories and moments we want to carry with us.
That belief shapes everything we do at LAGANI.
We create fine diamond jewellery with considered design, beautiful craftsmanship and a personal approach, made not simply to be owned, but to become part of your story.
Why LAGANI?
Jewellery is deeply personal, and choosing it should feel that way too.
At LAGANI, we bring together diamond expertise, considered design and attentive service to create jewellery that feels exceptional without being complicated or intimidating.
Whether you are choosing an engagement ring, celebrating a milestone, finding something for someone you love or simply buying a piece for yourself, we want the experience to feel as meaningful as the jewellery itself.
Our approach is simple: beautiful design, exceptional quality, honest value and genuine care at every stage.
A Note From the Founder
I did not come into this industry as a traditional jeweller. I came into it with a belief that jewellery should mean more than what it is made from or what it costs.
My family has worked with diamonds for generations, and I grew up understanding the care, craftsmanship and emotion that can sit behind a piece of jewellery. Over time, I saw an opportunity to take that knowledge and create something for a new generation.
That became LAGANI.
LAGANI means emotions, and that meaning has shaped the way I see jewellery. The pieces we choose become part of our stories. They can represent love, achievement, family, new beginnings, memories and moments that stay with us for years to come.
LAGANI exists to create jewellery that feels beautiful, personal and lasting. Pieces you are proud to wear today and that continue to mean something long after the moment has passed.
Because the most meaningful jewellery is not simply worn.
It is felt.
SATISH KATHIRIYA
Founder, LAGANI