Convert Round Moissanite Gemstones From Millimeters To Carat Weight

Description

This handy chart helps you quickly and accurately convert moissanite round sizes to their equivalent carat weights to help you select exactly the stone you need for your design.

Round Moissanite Gemstone
mm Size Average Carat Weight
2.5 0.05
3.0 0.09
3.25 0.11
3.5 0.14
4.0 0.22
4.5 0.29
5.0 0.41
5.5 0.54
6.0 0.68
6.5 0.88
7.0 1.10
7.5 1.35
8.0 1.60
8.5 1.90
9.0 2.26
9.5 2.75
10.0 3.08
10.5 3.57
11.0 4.11
11.5 4.72
12.0 5.32
12.5 6.01
13.0 6.80
13.5 7.60
14.0 8.46
14.5 9.51
15.0 10.46