Diamond Size Chart.com

Diamond Size Chart- Princess Cut


About: Learn about diamond size before purchasing a diamond engagement ring.

Round Cut Princess Cut Oval Cut Pear Cut Emerald Cut Marquise Cut


Milimeters Carat weight
2mm 0.06ct
2.25mm 0.08ct
2.5mm 0.1ct
2.75mm 0.13ct
3mm 0.15ct
3.25mm 0.2ct
3.5mm 0.23ct
3.75mm 0.25ct
4mm 0.3ct
4.5mm 0.4ct
4.75mm 0.5ct
5mm 0.63ct
5.25mm 0.75ct
5.5mm 1ct
6mm 1.25ct
7mm 1.6ct
8mm 2.25ct


Note that the size of the diamond is only part of the formula used to determine the value of a diamond. Valuators consider the color grade, cut grade, and the clarity grade of a diamond.