1.25 Carat Princessvs1.5 Carat Round

When comparing a 1.25 carat Princess to a 1.5 carat Round, the 1.5 carat Round appears visually larger. It has a face-up surface area that is approximately 19% larger than the 1.25 carat Princess. The classic round brilliant cut measures 7.4mm in length, creating a more elongated appearance compared to the modern square princess cut at 6mm.

Detailed Measurements:

The 1.25 carat princess diamond measures 6mm × 6mm, while the 1.5 carat round measures 7.4mm × 7.4mm. The 1.5 carat round covers approximately 44% 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 round 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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