3.0 Carat Marquisevs3.0 Carat Radiant

When comparing a 3 carat Marquise to a 3 carat Radiant, the 3 carat Marquise appears visually larger. It has a face-up surface area that is approximately 43% larger than the 3 carat Radiant. The dramatic elongated marquise measures 15mm in length, creating a more elongated appearance compared to the brilliant radiant cut at 8.8mm.

Detailed Measurements:

The 3 carat marquise diamond measures 15mm × 7.5mm, while the 3 carat radiant measures 8.8mm × 7mm. The 3 carat marquise covers approximately 88% 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 radiant 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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