Want to know how a 1 carat diamond appears on your hand? Just check out the diamond size chart for the precise millimeter (mm) measurement of each diamond round shape. It'll give you an idea of its size!

Round Brilliant Diamonds Size Chart (MM)

MM Size Carat Weight
0.8 0.0025
1 0.005
1.10 0.0075
1.15 0.0067
1.25 0.01
1.3 0.01
1.5 0.015
1.75 0.02
1.8 0.025
2 0.03
2.25 0.04
2.5 0.06
2.75 0.08
3 0.11
3.25 0.14
3.5 0.17
3.75 0.21
4 0.25
4.25 0.28
4.5 0.36
4.75 0.44
5 0.46
5.25 0.56
5.5 0.66
5.75 0.76
6 0.84
6.25 0.93
6.5 1.03
6.75 1.24

Radiant Cut

MM Size Carat Weight
4.5 x 3.5 0.34
5 x 3 0.31
6 x 3 0.41
6 x 4 .60
6.5 x 4.5 0.83
7 x 5 1.14
7.25 x 5.25 1.24
7.5 x 5.5 1.47
8 x 6 1.74
8.5 x 6.5 2.25
9 x 7 2.62
9.5 x 7.5 3.18
10 x 7 3.31

MM Size Carat Weight
10 x 8 3.49
11 x 9 5.05
11.5 x 10 6.45
12 x 9 6.06
12 x 10 6.79
13 x 9 6.54
13 x 11 9.33
13.5 x 11.5 10.19
14 x 10 8.47
14 x 12 12.14
15 x 11 11.48
16 x 12 14.22

Oval Cut Diamonds Size Chart (MM)

Carat Weight Min Carat Weight Max Carat Weight Length (approx. mm) Width (approx. mm)
1 0.95 1.05 8.03 5.73
1 1/2 1.46 1.58 8.95 6.45

 Princess Cut Diamonds Size Chart (MM)

Carat Weight Min Carat Weight Max Carat Weight Length (approx. mm) Width (approx. mm)
1/2 0.48 0.53 4.20 4.20
5/9 0.53 0.58 4.42 4.42
5/8 0.59 0.66 4.60 4.60
3/4 0.71 0.79 4.92 4.92
7/8 0.83 0.92 5.17 5.17
1 0.95 1.05 5.41 5.41
1 1/8 1.07 1.18 6.02 6.02
2 2.45 2.63 7.02 7.02
2 1/2 2.95 3.15 7.35 7.35
3 2.95 3.15 7.85 7.85

 

Cushion Cut Diamonds Size Chart (MM)

Carat Weight Min Carat Weight Max Carat Weight Length (approx. mm) Width (approx. mm)
1/2 0.48 0.53 4.42 4.42
5/8 0.59 0.66 4.77 4.77
3/4 0.71 0.79 5.07 5.07
7/8 0.83 0.92 5.34 5.34
1 0.95 1.05 5.58 5.58
2 1.95 2.10 7.25 7.25
2 1/2 2.45 2.63 7.80 7.80
3 2.95 3.15 8.35 8.35

 

Emerald Cut Diamonds Size Chart (MM)

Carat Weight Min Carat Weight Max Carat Weight Length (approx. mm) Width (approx. mm)
1 0.95 1.05 6.70 4.85
2 1.95 2.10 8.40 6.10


Heart Cut Stones Size Chart (MM)

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