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Finding the perfect ring sizeUpdated 16 days ago

Finding the perfect size 

Your ring size refers to the inside circumference of a ring and is essential for ensuring a perfect fit. Choosing the correct size before purchasing prevents issues such as a ring being too tight to wear or too loose and at risk of falling off.

Different countries use standardised systems for denoting ring sizes. The most common systems are UK, USA, and international (EU). For Australian sizes, you can simply use the UK sizing, as these are the same. Knowing which system you are using is important to avoid mistakes when ordering online for more information check out our ring size guide here.

How do I get the size right?

Ring size is one of those measurements people often think they know, but it’s easy to get wrong. Whether buying a ring for yourself or as a gift, Here are some useful tips and tools below to help you choose the perfect size. And don’t worry, if it’s not exactly right the first time, we can easily resize it to ensure the fit is absolutely perfect. 

Order a Physical Ring Sizer

Our classic ring sizer provides a convenient way to measure your finger from the comfort of your home. It’s perfect for those who want a reusable tool or are shopping for multiple rings. 

Simply order your ring sizer, by clicking here, and filling out a short form and we will get it deliveried striaght to your house. 

Always keep in mind that each ring will fit differently due to width, size and temperature. Trying the ring on for measure in person is always the most precise method.

In addition, most high street jewellers offer free ring sizing services when you visit, if you'd like to double check before purchasing.  

Our Ring Sizer App

For convenience, our free Ring Sizer App offers an easy-to-use way to estimate your ring size. It supports UK, EU, and USA measurements, covering sizes F–Z, making it suitable for all fingers.

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To use the app:

Place an existing ring on your phone screen.

Adjust the circle on the app until it fits perfectly inside the ring.

While our app has undergone extensive testing and proves to be a dependable tool, it’s important to note that due to variety of ring designs and measurements, delicate details, and precision required for accurate sizing, measuring in person is always more reliable. The app is best used as an indicator of your size, especially for surprises or gifts, helping you get a close estimate without revealing your intent or making a trip to the jeweller.

Cross-Checking an Existing Ring

If you already own a ring or have a known measurement, you can print our Ring Sizer PDF Guide and use it to cross-check your size with our app or the printed template. While this is a helpful and convenient way to get an estimate, it’s important to remember that, once again, this method serves as a good indicator of your size. However, for the most reliable fit, measuring in person is always the best option.

Download Ring Sizer Guide

Tips for Accurate Measurement

  • Measure your finger at the end of the day, when it is slightly larger.

  • Avoid measuring cold fingers, which can give a smaller size than usual. 

  • Consider any temporary factor such as water retention when measuring. 

  • Consider the width of the ring; wider bands may require a slightly larger size for comfort.

  • If your measurement falls between two sizes, choose the larger size for a better fit.

These are some of the ways you can determine your potential ring size. If you have any questions or need any assistance, please don’t hesitate to contact our Sales team; Select “Live Chat – New purchase” to speak with a live agent during our opening hours.

Alternatively, please email sales@thediamondstore.com with the product item reference, we’re here to help!



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