Round Diamond Sizes Compared – 0.25cts – 1.20cts

A Comparison of Round Diamond Sizes

round diamond sizes compared
Comparing sizes of round diamonds in popular weights.

Diamond size compared

Some time ago, we put together round diamond sizes compared – each diamond was photographed in situ, and the images were compiled with the diameter and weight. By doing this we were able to form a basic diagram to show some of the popular diamond weights appearing next to each other. It is certainly worth us re-posting this for reference. Each diamond weight is shown with the millimetre size for reference. This same reference can be found on most diamond size charts noting carat weight and measurement.

Diamonds photographed to scale

We added a coin for scale at the time, since the most difficult aspect is appreciating the size out of context. Many of the size charts that we have included within information pages are helpful but a visual guide is far better. For diamond sizes that are missing, they will logically be a touch larger or smaller than the lower or higher carat weights respectively.

Finding out a diamond measurement

If you require a specific diamond measurement, we have put together some guidance on how to measure a diamond within our additional blog articles. This guidance is important for anyone looking for a specific diamond measurement unable to gather details from charts alone.

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Mark Johnson

About Mark Johnson

Mark attended Liverpool University and went on to pursue a career in the diamond industry. After more than a decade working in polished diamonds, Mark moved to the Isle of Wight where he launched Serendipity Diamonds. He works most days from their busy Ryde showroom, photographing jewellery and writing for the Serendipity Diamonds website. Anyone interested can connect with Mark on Linkedin via the profile link.

Mark Johnson

About Mark Johnson

Mark attended Liverpool University and went on to pursue a career in the diamond industry. After more than a decade working in polished diamonds, Mark moved to the Isle of Wight where he launched Serendipity Diamonds. He works most days from their busy Ryde showroom, photographing jewellery and writing for the Serendipity Diamonds website. Anyone interested can connect with Mark on Linkedin via the profile link.