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ID:
Name:

Weight of Precious Stones For Given Size

Diameter
(mm)
Diamonds
(carats)
Sapphires
(carats)
Rubies
(carats)
Emeralds
(carats)
1.3
.01
.02
.02
.015
1.5
0.015
0.025
0.025
0.02
1.8
0.02
0.04
0.035
0.03
2
0.03
0.055
0.05
0.04
2.2
0.04
0.07
0.06
0.05
2.4
0.05
0.09
0.08
0.065
2.6
0.07
0.115
0.105
0.08
2.8
0.085
0.14
0.13
0.1
3
0.1
0.17
0.15
0.125
3.2
0.12
0.2
0.18
0.15
3.4
0.15
0.24
0.22
0.17
3.6
0.17
0.27
0.25
0.2
3.8
0.19
0.31
0.29
0.22
4
0.22
0.36
0.33
0.25
4.2
0.26
0.41
0.38
0.28
4.4
0.3
0.47
0.44
0.32
4.6
0.35
0.53
0.5
0.37
4.8
0.4
0.59
0.56
0.43
5
0.45
0.65
0.62
0.48
5.5
0.59
0.88
0.85
0.61
6
0.77
1.13
1.07
0.75
6.5
1
1.38
1.32
0.96
7
1.25
1.66
1.58
1.22
8
1.85
2.5
2.35
1.95
9
2.65
3.1
2.95
2.7