1.0 Carat Princessvs1.25 Carat Marquise

When comparing a 1 carat Princess to a 1.25 carat Marquise, the 1.25 carat Marquise appears visually larger. It has a face-up surface area that is approximately 57% larger than the 1 carat Princess. The dramatic elongated marquise measures 11mm in length, creating a more elongated appearance compared to the modern square princess cut at 5.5mm.

Detailed Measurements:

The 1 carat princess diamond measures 5.5mm × 5.5mm, while the 1.25 carat marquise measures 11mm × 5.5mm. The 1.25 carat marquise covers approximately 65% 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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