Princess Cut Diamond Size Chart (MM)

Wondering what a 1 carat princess black diamond looks link on a hand? Our princess diamond size chart will help you convert millimeter (mm) size to carat size for princess cut diamonds.

princess black diamond size chart

 


Princess Diamond Sizes

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Princess MM
Size
Princess Weight
(ct)
Black Diamond ct
weight (Approx)
1.5 mm. 0.02 0.02
1.75 mm. 0.03 0.04
2 mm. 0.06 0.07
2.25 mm. 0.08 0.10
2.5 mm. 0.10 0.12
2.75 mm. 0.13 0.16
3 mm. 0.18 0.22
3.25 mm. 0.26 0.31
3.5 mm. 0.29 0.35
3.75 mm. 0.31 0.37
4 mm. 0.39 0.51
4.25 mm. 0.44 0.57
4.5 mm. 0.50 0.65
4.75 mm. 0.64 0.83
5 mm. 0.75 0.98
5.25 mm. 0.90 1.30
5.5 mm. 1.00 1.40
5.75 mm. 1.11 1.50
6 mm. 1.25 1.70
6.25 mm. 1.39 1.90
Princess MM
Size
Princess Weight
(ct)
Black Diamond ct
weight (Approx)
6.5 mm. 1.50 2.10
6.75 mm. 1.75 2.50
7 mm. 2.00 2.80
7.25 mm. 2.01 2.90
7.5 mm. 2.50 3.50
7.75 mm. 2.74 3.90
8 mm. 3.00 4.20
8.25 mm. 3.24 4.60
8.5 mm. 3.67 5.20
8.75 mm. 4.10 5.80
9 mm. 4.12 5.80
9.5 mm. 5.09 7.20
9.75 mm. 5.36 7.60
10 mm. 5.62 7.90
10.25 mm. 5.76 8.10
10.5 mm. 5.99 8.40
11 mm. 7.44 10.50
11.5 mm. 9.44 13.30
12 mm. 9.52 13.40

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