4.0 Carat Princessvs4.0 Carat Marquise

When comparing a 4 carat Princess to a 4 carat Marquise, the 4 carat Marquise appears visually larger. It has a face-up surface area that is approximately 45% larger than the 4 carat Princess. The dramatic elongated marquise measures 16.8mm in length, creating a more elongated appearance compared to the modern square princess cut at 8.7mm.

Detailed Measurements:

The 4 carat princess diamond measures 8.7mm × 8.7mm, while the 4 carat marquise measures 16.8mm × 8.3mm. The 4 carat marquise covers approximately 99% of the width of an average finger (size 6.5), creating a substantial, eye-catching presence.

Shopping Considerations:

Beyond size, consider that princess diamonds tend to have different brilliance patterns compared to marquise 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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