Diamond Size Chart.com

Diamond Size Chart- Marquise


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

Milimeters
Carat weight
3.5 x 1.5mm

0.07ct

  9 x 5.0mm
0.8ct

4 x 2.0mm

0.1ct

  9.5 x 4.5mm

0.85ct

5 x 2.0mm

0.2ct

  10 x 4.75mm

1.0ct

5 x 3.0mm

0.22ct

  10 x 5.0mm

1.25ct

5.5 x 2.5mm

0.25ct

  11 x 5.0mm

1.5ct
6 x 6.0mm

0.3ct

  11 x 5.5mm

1.65ct

7 x 3.0mm

0.35ct

  12 x 6.0mm

2.0ct

7 x 3.5mm

0.38ct

  13 x 5.5mm

2.5ct

7 x 4.0mm

0.4ct

  13 x 6.0mm

2.65ct

8 x 4.0mm

0.5ct

  14 x 6.5mm

2.87ct
8.5 x 4.5mm

0.65ct

  14 x 7.0mm

3.0ct

9 x 4.0mm

0.7ct

  15 x 7.0mm

3.75ct

9 x 4.5mm

0.75ct

  16 x 8.0mm

4.5ct



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.