Average weight per stone in carat
|
round
|
ct/pc
|
oval
|
ct/pc
|
oct
|
ct/pc
|
marq
|
ct/pc
|
pear
|
ct/pc
|
heart
|
ct/pc
|
square
|
ct/pc
|
2.0
|
0.04
|
4x3
|
0.16
|
4x3
|
0.23
|
4x2
|
0.10
|
5x3
|
0.21
|
3.0
|
0.10
|
2.0
|
0.05
|
2.5
|
0.08
|
5x3
|
0.25
|
5x3
|
0.30
|
5x2.5
|
0.19
|
6x4
|
0.43
|
4.0
|
0.23
|
2.5
|
0.09
|
3.0
|
0.13
|
6x4
|
0.51
|
6x4
|
0.38
|
6x3
|
0.29
|
7x5
|
0.74
|
4.5
|
0.40
|
3.0
|
0.18
|
3.5
|
0.18
|
7x5
|
0.88
|
7x5
|
1.25
|
8x4
|
0.64
|
8x5
|
0.94
|
5.0
|
0.49
|
3.5
|
0.24
|
4.0
|
0.31
|
8x6
|
1.30
|
8x6
|
1.84
|
10x5
|
1.23
|
9x6
|
1.50
|
5.5
|
0.69
|
4.0
|
0.36
|
4.5
|
0.38
|
9x7
|
1.97
|
9x7
|
2.67
|
12x6
|
1.85
|
10x7
|
2.04
|
6.0
|
0.81
|
4.5
|
0.56
|
5.0
|
0.55
|
10x8
|
2.76
|
10x8
|
4.08
|
15x7
|
3.54
|
12x8
|
3.28
|
7.0
|
1.32
|
5.0
|
0.66
|
5.5
|
0.70
|
11x9
|
3.86
|
11x9
|
5.57
|
16x8
|
4.22
|
14x9
|
4.61
|
8.0
|
1.87
|
5.5
|
0.80
|
6.0
|
0.91
|
12x10
|
4.81
|
12x10
|
6.89
|
18x9
|
6.31
|
15x10
|
6.01
|
9.0
|
2.57
|
6.0
|
1.19
|
7.0
|
1.75
|
14x10
|
5.77
|
14x10
|
7.09
|
20x10
|
9.17
|
16x12
|
8.86
|
10.0
|
3.82
|
7.0
|
1.94
|
C
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