1.0 Carat Marquisevs1.25 Carat Princess

When comparing a 1 carat Marquise to a 1.25 carat Princess, the 1 carat Marquise appears visually larger. It has a face-up surface area that is approximately 9% larger than the 1.25 carat Princess. The dramatic elongated marquise measures 10mm in length, creating a more elongated appearance compared to the modern square princess cut at 6mm.

Detailed Measurements:

The 1 carat marquise diamond measures 10mm × 5mm, while the 1.25 carat princess measures 6mm × 6mm. The 1 carat marquise covers approximately 59% of the width of an average finger (size 6.5), creating a substantial, eye-catching presence.

Shopping Considerations:

Beyond size, consider that marquise 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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