1.25 Carat Princessvs1.5 Carat Radiant

When comparing a 1.25 carat Princess to a 1.5 carat Radiant, the 1.5 carat Radiant appears visually larger. It has a face-up surface area that is approximately 12% larger than the 1.25 carat Princess. The brilliant radiant cut measures 7.1mm 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 radiant measures 7.1mm × 5.7mm. The 1.5 carat radiant covers approximately 42% 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 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.

Ready to shop? Browse certified diamonds to compare prices and find your perfect diamond.