3.75 Carat Marquisevs4.0 Carat Marquise

When comparing a 3.75 carat Marquise to a 4 carat Marquise, the visual size difference is minimal. Both diamonds occupy nearly the same surface area (within 3%), making them appear almost identical when viewed face-up. You gain approximately 0.3mm in width by choosing the 4 carat Marquise over the 3.75 carat version.

Detailed Measurements:

The 3.75 carat marquise diamond measures 16.5mm × 8.2mm, 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:

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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