Prices for Synthetic diamonds from 0.01 to 20.00 Carats updated July 2017
Source: Antwerp World Diamond Centre
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Detailed search
by carat price
steps for 
natural diamonds from:

0.01 to 0.03  carat

0.04  to 0.07 carat

0.08 to 0.14  carat

0.15 to 0.17  carat

0.18 to 0.22  carat

0.23 to 0.29  carat

0.30 to 0.37  carat

0.38 to 0.49  carat

0.50 to 0.69  carat

0.70 to 0.89  carat

0.90 to 0.99  carat

1.00 to 1.49  carat

1.50 to 1.99 carat

2.00 to 2.99  carat

3.00 to 3.99  carat

4.00 to 4.99  carat

5.00 to 5.99  carat

White diamond prices
1.00 mm
$ 0.02

1.25 mm
$ 0.03

1.50 mm
$ 0.04

1.75 mm
$ 0.05

2.00 mm
$ 0.06

2.25 mm
$ 0.07

2.50 mm
$ 0.08

2.75 mm
$ 0.08

3.00 mm
$ 0.09

3.25 mm
$ 0.11

3.50 mm
$ 0.12

3.75 mm
$ 0.15

4.00 mm
$ 0.16

4.25 mm
$ 0.23

4.50 mm
$ 0.24

4.75 mm
$ 0.27
​5.00 mm
$ 0.28

5.25 mm
$ 0.35

5.50 mm
$ 0.36

5.75 mm
$ 0.37

6.00 mm
$ 0.38

6.25 mm
$ 0.46

6.50 mm
$ 0.47

6.75 mm
$ 0.54

7.00 mm
$ 0.55

7.25 mm
$ 0.64

7.50 mm
$ 0.65

7.75 mm
$ 0.72

8.00 mm
$ 0.73

8.25 mm
$ 1.02

8.50 mm
$ 1.03

8.75 mm
$ 1.04
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This page was last updated on: July 16, 2017
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analysis of your needs
​9.00 mm
$ 1.05

9.25 mm
$ 1.06

9.50 mm
$ 1.07

9.75 mm
$ 1.08

10.00 mm
$ 1.09

11.00 mm
$ 1.76

12.00 mm
$ 1.95

13.00 mm
$ 2.88

14.00 mm
$ 4.16

15.00 mm
$ 5.44
You can buy synthetic diamonds "Made in China" sold by kilo: 
https://www.alibaba.com/showroom/synthetic-diamond-price-per-carat.html