4.0 Carat Roundvs4.0 Carat Princess

When comparing a 4 carat Round to a 4 carat Princess, the 4 carat Round appears visually larger. It has a face-up surface area that is approximately 10% larger than the 4 carat Princess. The classic round brilliant cut measures 10.3mm in length, creating a more elongated appearance compared to the modern square princess cut at 8.7mm.

Detailed Measurements:

The 4 carat round diamond measures 10.3mm × 10.3mm, while the 4 carat princess measures 8.7mm × 8.7mm. The 4 carat round covers approximately 61% of the width of an average finger (size 6.5), creating a substantial, eye-catching presence.

Shopping Considerations:

Beyond size, consider that round diamonds tend to have different brilliance patterns compared to princess cuts. Use the interactive visual tool above to see these diamonds side-by-side with a US dime for real-world scale reference. The measurements shown are based on well-cut diamonds with standard proportions.

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