Size guide
Understanding Ring Sizes
A piece should feel like it belongs to you from the start—and that begins with the perfect fit.
When it comes to finding the right ring size, there's more to consider than meets the eye. Different countries have developed their own sizing traditions over centuries, each with its own logic and precision. If you're commissioning a piece internationally or selecting something for someone abroad, understanding how these systems translate becomes essential to achieving that perfect, personal fit.
Measuring with Precision
Measuring with Precision
Measuring with Precision
Measuring with Precision
First, take a piece of string or a narrow strip of paper and wrap it snugly around the base of your finger—the area where the ring will naturally sit.
Then, mark precisely where the ends meet and measure this length in millimetres using a ruler.
Finally, use this circumference measurement to find your size across different regional systems using our conversion reference.
For the most reliable measurement, consider investing in a professional ring sizer—these tools are designed specifically for accuracy and will give you confidence in your sizing.
First, take a piece of string or a narrow strip of paper and wrap it snugly around the base of your finger—the area where the ring will naturally sit.
Then, mark precisely where the ends meet and measure this length in millimetres using a ruler.
Finally, use this circumference measurement to find your size across different regional systems using our conversion reference.
For the most reliable measurement, consider investing in a professional ring sizer—these tools are designed specifically for accuracy and will give you confidence in your sizing.
Considered Advice for Accurate Sizing
Considered Advice for Accurate Sizing
Considered Advice for Accurate Sizing
Considered Advice for Accurate Sizing
Measure your finger later in the day when it's naturally warmer—fingers fluctuate in size with temperature and time, and evening measurements tend to be more representative.
If your knuckles are notably larger than the base of your finger, measure at the knuckle rather than the base. The ring needs to pass over this point comfortably every time you wear it.
When you're between sizes, lean toward the larger option, particularly for bands with more substantial width. A ring that's slightly generous feels better than one that's restrictive.
Measure your finger later in the day when it's naturally warmer—fingers fluctuate in size with temperature and time, and evening measurements tend to be more representative.
If your knuckles are notably larger than the base of your finger, measure at the knuckle rather than the base. The ring needs to pass over this point comfortably every time you wear it.
When you're between sizes, lean toward the larger option, particularly for bands with more substantial width. A ring that's slightly generous feels better than one that's restrictive.
The Heritage of Sizing Systems
The Heritage of Sizing Systems
In the UK, rings have traditionally been sized using letters—a system rooted in centuries of British craftsmanship. The US and Canada evolved differently, using numerical systems that reflect their own making traditions. Continental Europe, France, and Germany often work with measurements based on precise millimetre calculations, whether by circumference or diameter—an approach that speaks to their technical precision in metalwork.
Japan developed its own unique numerical system, while Switzerland—with its legacy of precision instruments—created yet another approach. Understanding these conversions removes uncertainty from the process and ensures your piece will feel exactly as it should.
In the UK, rings have traditionally been sized using letters—a system rooted in centuries of British craftsmanship. The US and Canada evolved differently, using numerical systems that reflect their own making traditions. Continental Europe, France, and Germany often work with measurements based on precise millimetre calculations, whether by circumference or diameter—an approach that speaks to their technical precision in metalwork.
Japan developed its own unique numerical system, while Switzerland—with its legacy of precision instruments—created yet another approach. Understanding these conversions removes uncertainty from the process and ensures your piece will feel exactly as it should.
Our comprehensive conversion chart maps sizes across the UK, USA, Canada, Australia, Europe, Japan, and Switzerland—ensuring your piece will fit beautifully, wherever it's created or worn.
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