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Moissanite Size Chart

Our moissanite size chart will help you convert millimeter (mm) size to carat size for moissanite in different shapes.

 

Round Cut Moissanite

Size (mm) Carat Weight (ct)
3.0 0.10
3.25 0.15
3.5 0.20
3.75 0.25
3.8 0.26
4.0 0.30
4.5 0.40
5.0 0.50
5.2 0.54
5.5 0.60
5.7 0.70
6.0 0.80
6.5 1.00
7.0 1.20
7.5 1.50
8.0 2.00
8.5 2.50
9.0 3.00
9.5 3.50
10.0 4.00
10.5 4.50
11.0 5.00
11.5 5.50
12.0 6.00
12. 5 7.00
13.0 8.00
13.5 9.00
14.0 10.00
14.5 11.00
15.0 12.00
16.0/16.5 15.00
18.0 20.00

 

 

Pear Cut Moissanite

Size (mm) Carat Weight (ct)
1.5*3 0.10
2.5*4 0.20
3*4 0.30
3*5 0.35
4*6 0. 50
5*7 0.80
5*8 1.00
6*8 1.25
6*9 1.50
7*10 2.00
7*10. 5 2.50
7*11 3.00
8*12 4.00
9*13 5.00
10*14 6.00

 

Marquise Cut Moissanite

Size (mm) Carat Weight (ct)
1.5*3 0.05
2*4 0.10
2.5*5 0.20
3*6 0.30
4*8 0.50
4.5*9 0.80
5*10 1.00
5.5*11 1.50
6*12 2.00
6.5*13 2.50
7*14 3.00

 

Asscher/ Cushion Cut Moissanite

Size(mm) Carat Weight(ct)
2.0 0.06
2.5 0.08
3.0 0.15
3.5 0.25
4.0 0.35
4.5 0.50
5.0 0.60
5.5 0.80
6.0 1.00
6,5 1.50
7.0 2.00
7.5 2.20
8.0 2.50
8.5 3.00
9.0 3.50
9.5 4.50
10.0 5.00
10.5 6.00
11.0 7.00
5. 5*6.0 1.00
6.0*7.0 1.50
6. 5*7. 5 2,00
6*8 2.00
7*9 3.00

 

Emerald Cut Moissanite

Size(mm) Carat Weight(ct)
2*4 0.2
3*5 0.5
4*6 0.8
5*7 1
6*8 2
7*9 3
8*10 4
9*11 5
10*12 8
10*14 10
12*14 12

 

Oval Cut Moissanite

Size(mm) Carat Weight(ct)
2*4 0.1
3*5 0.3
4*6 0.5
5*7 1
6*8 1.5
7*9 2
8*10 3
8*12 4.5
9*11 5
10*12 6
10*14 8

 

Radiant Cut Moissanite

Size(mm) Carat Weight(ct)
2*4 0.2
3*5 0.5
4*6 0.8
5*7 1
6*8 2
7*9 3
8*10 4
9*11 5
10*12 8
10*14 10

 

Princess Cut Moissanite

Size(mm) Carat Weight(ct)
1.5*1.5 0.06
2 0.08
2.5 0.15
3 0.3
3.5 0.35
4 0.4
4.5 0.6
5 0.8
5.5 1
6 1.2
6.5 1.5
7 2
7.5 2.5
8 3
8.5 3.5
9 4
9.5 5
10 6