Diamond's MM to Carat Education - GPX Diamonds

Skip to main content

INR

INR
USD
AUD

INR

INR
USD
AUD

Diamond Size Guide (MM to CT)

MM	Carat
0.8 mm	0.0025 ct
1.0 mm	0.005 ct
1.1 mm	0.0067 ct
1.2 mm	0.009 ct
1.25 mm	0.01 ct
1.3 mm	0.01 ct
1.5 mm	0.015 ct
1.75 mm	0.02 ct
1.8 mm	0.025 ct
2.0 mm	0.03 ct

MM	Carat
2.2 mm	0.04 ct
2.5 mm	0.06 ct
2.75 mm	0.08 ct
3.0 mm	0.10 ct
3.25 mm	0.14 ct
3.5 mm	0.17 ct
3.75 mm	0.21 ct
4.0 mm	0.25 ct
4.25 mm	0.28 ct
4.5 mm	0.36 ct

MM	Carat
4.75 mm	0.44 ct
5.0 mm	0.50 ct
5.25 mm	0.56 ct
5.5 mm	0.66 ct
5.75 mm	0.75 ct
6.0 mm	0.84 ct
6.25 mm	0.93 ct
6.5 mm	1.00 ct
6.8 mm	1.25 ct
7.0 mm	1.30 ct

MM	Carat
7.3 mm	1.50 ct
7.5 mm	1.67 ct
7.75 mm	1.75 ct
8.0 mm	2.00 ct
8.25 mm	2.11 ct
8.5 mm	2.43 ct
8.7 mm	2.50 ct
9.0 mm	2.75 ct
9.1 mm	3.00 ct
9.5 mm	3.35 ct

MM	Carat
9.75 mm	3.50 ct
10.0 mm	3.87 ct
10.25 mm	4.00 ct
10.5 mm	4.41 ct
10.75 mm	4.50 ct
11.0 mm	5.00 ct
11.25 mm	5.49 ct
11.5 mm	5.85 ct
12.0 mm	6.84 ct
12.25 mm	7.26 ct

MM	Carat
12.5 mm	7.36 ct
12.75 mm	7.52 ct
13.0 mm	8.51 ct
13.5 mm	9.53 ct
14.0 mm	10.49 ct
15.0 mm	12.89 ct
16.0 mm	16.06 ct

MM	Carat
3.6×2.7 mm	0.10 ct
4×3 mm	0.15 ct
4.5×3.5 mm	0.20 ct
5×3 mm	0.25 ct
5.5×3.5 mm	0.33 ct
5×4 mm	0.35 ct
6×4 mm	0.50 ct
6×5 mm	0.61 ct
6.5×4.5 mm	0.65 ct
7×5 mm	0.75 ct

MM	Carat
7.7×5.7 mm	1.00 ct
8×6 mm	1.25 ct
9×6 mm	1.41 ct
8.5×6.5 mm	1.50 ct
9×6.5 mm	1.75 ct
9×7 mm	2.00 ct
10×8 mm	2.50 ct
10.5×8.5 mm	2.88 ct
12×8 mm	3.00 ct
12×8.5 mm	3.50 ct

MM	Carat
11×9 mm	3.85 ct
12.5×8.5 mm	4.00 ct
12.75×8.5 mm	4.50 ct
12×10 mm	5.00 ct
14×10 mm	5.81 ct
13×11 mm	6.05 ct
14×12 mm	8.21 ct
15×12 mm	8.76 ct
16×12 mm	9.32 ct
16×14 mm	11.88 ct

MM	Carat
18×13 mm	12.86 ct
20×15 mm	14.96 ct

MM	Carat
3×2 mm	0.13 ct
4×2.5 mm	0.18 ct
4×3 mm	0.21 ct
5×3 mm	0.25 ct
5×4 mm	0.35 ct
6×4 mm	0.50 ct
6.5×4.5 mm	0.60 ct
7×5 mm	0.75 ct
7.5×5.5 mm	0.85 ct
7.7×5.7 mm	1.00 ct

MM	Carat
8×6 mm	1.25 ct
8.5×6.5 mm	1.50 ct
10×6 mm	1.75 ct
8.7×6.7 mm	1.80 ct
9×7 mm	2.00 ct
10×8 mm	2.50 ct
11×7.5 mm	2.61 ct
11×8 mm	2.70 ct
12×8 mm	3.00 ct
12×7 mm	3.12 ct

MM	Carat
13×8 mm	3.40 ct
12×9 mm	3.50 ct
14×8 mm	4.00 ct
13×9 mm	4.11 ct
14×9 mm	4.25 ct
14.5×9 mm	4.50 ct
15×9 mm	5.00 ct
14×10 mm	5.41 ct
13×11 mm	5.65 ct
15×10 mm	5.75 ct

MM	Carat
16×9 mm	5.86 ct
16×10 mm	6.27 ct
17×10 mm	6.46 ct
15×11 mm	7.36 ct
18×11 mm	8.14 ct
16×12 mm	8.99 ct
18×12 mm	9.35 ct
18×13 mm	10.21 ct

MM	Carat
3×2 mm	0.10 ct
3.5×2 mm	0.12 ct
4×2 mm	0.15 ct
4×3 mm	0.20 ct
4.3×3 mm	0.25 ct
5×3 mm	0.29 ct
5.5×3.5 mm	0.46 ct
6×4 mm	0.50 ct
6.5×4.5 mm	0.75 ct
6.7×4.5 mm	0.88 ct

MM	Carat
7×5 mm	1.00 ct
7.3×5.3 mm	1.25 ct
7.5×5.5 mm	1.50 ct
8×6 mm	1.75 ct
8.5×6.5 mm	2.00 ct
9×7 mm	2.50 ct
9.3×7.5 mm	3.00 ct
9.5×7.5 mm	3.21 ct
9.75×7.7 mm	3.50 ct
9.9×7.8 mm	3.79 ct

MM	Carat
10×8 mm	4.00 ct
10.5×8.5 mm	4.50 ct
11×9 mm	5.00 ct
12×8 mm	5.34 ct
12×10 mm	6.00 ct
14×8 mm	6.25 ct
14×9 mm	6.38 ct
14×10 mm	8.48 ct
13×11 mm	9.13 ct
14×12 mm	11.26 ct
16×12 mm	14.22 ct

MM	Carat
1.5 mm	0.015 ct
1.75 mm	0.03 ct
2 mm	0.06 ct
2.25 mm	0.08 ct
2.5 mm	0.10 ct
2.75 mm	0.13 ct
3 mm	0.18 ct
3.25 mm	0.25 ct
3.5 mm	0.29 ct
3.75 mm	0.31 ct

MM	Carat
4 mm	0.39 ct
4.25 mm	0.44 ct
4.5 mm	0.50 ct
4.75 mm	0.64 ct
5 mm	0.75 ct
5.25 mm	0.90 ct
5.5 mm	1.00 ct
5.75 mm	1.11 ct
6 mm	1.25 ct
6.25 mm	1.39 ct

MM	Carat
6.5 mm	1.50 ct
6.75 mm	1.75 ct
7 mm	2.00 ct
7.25 mm	2.01 ct
7.5 mm	2.50 ct
7.75 mm	2.74 ct
8 mm	3.00 ct
8.25 mm	3.24 ct
8.5 mm	3.50 ct
8.75 mm	4.00 ct

MM	Carat
9.25 mm	4.50 ct
9.5 mm	5.00 ct
9.75 mm	5.36 ct
10 mm	5.62 ct
10.25 mm	5.76 ct
10.5 mm	5.99 ct
11 mm	7.44 ct
11.5 mm	9.44 ct
12 mm	9.52 ct

MM	Carat
3.25 mm	0.25 ct
4.2 mm	0.40 ct
4.9 mm	0.50 ct
5.25 mm	0.75 ct
5.5 mm	1.00 ct
6 mm	1.25 ct
6.5 mm	1.50 ct
6.75 mm	1.75 ct
7 mm	2.00 ct
7.5 mm	2.50 ct

MM	Carat
8 mm	3.00 ct
8.5 mm	3.50 ct
9 mm	4.00 ct
9.3 mm	4.50 ct
9.5 mm	5.00 ct
10 mm	5.62 ct
11 mm	7.44 ct
12 mm	9.52 ct
13 mm	12.66 ct

MM	Carat
3.5 mm	0.18 ct
4 mm	0.25 ct
4.25 mm	0.28 ct
4.5 mm	0.34 ct
4.75 mm	0.38 ct
5 mm	0.50 ct
5.5 mm	0.61 ct
6 mm	0.75 ct
6.25 mm	0.83 ct
6.5 mm	1.00 ct

MM	Carat
7 mm	1.25 ct
7.5 mm	1.50 ct
7.7 mm	1.75 ct
8 mm	2.00 ct
8.5 mm	2.50 ct
9 mm	3.00 ct
10 mm	3.50 ct
10.5 mm	4.00 ct
11 mm	4.50 ct
11.5 mm	5.00 ct

MM	Carat
12 mm	5.66 ct
13 mm	7.88 ct
14 mm	9.38 ct
15 mm	10.79 ct
16 mm	13.27 ct
18 mm	15.33 ct

MM	Carat
3×1.5 mm	0.025 ct
3.5×1.75 mm	0.065 ct
3.5×2 mm	0.07 ct
4×2 mm	0.10 ct
3.75×1.75 mm	0.11 ct
4.25×2.25 mm	0.12 ct
5×2.5 mm	0.14 ct
5.5×2.75 mm	0.16 ct
5.5×3 mm	0.18 ct
5×3 mm	0.20 ct

MM	Carat
6.5×3 mm	0.23 ct
6×3 mm	0.25 ct
7×3 mm	0.30 ct
7.5×3.5 mm	0.33 ct
7×4 mm	0.34 ct
8×4 mm	0.50 ct
8.75×4.25 mm	0.70 ct
9×4.5 mm	0.75 ct
9.5×4.7 mm	0.85 ct
10×5 mm	1.00 ct

MM	Carat
11×5.5 mm	1.25 ct
11.5×6 mm	1.33 ct
12×6 mm	1.50 ct
12.5×6.25 mm	1.75 ct
13×6.5 mm	2.00 ct
14×7 mm	2.50 ct
15×7 mm	3.00 ct
15×7.5 mm	3.25 ct
15×8 mm	3.50 ct
16×8 mm	3.86 ct

MM	Carat
16.5×8.25 mm	4.00 ct
16.75×8.5 mm	4.50 ct
17×8.5 mm	5.00 ct
17.5×10 mm	5.50 ct
20×8 mm	7.08 ct
20×10 mm	7.94 ct
20×11 mm	9.50 ct

MM	Carat
4.3×3 mm	0.25 ct
4.5×3.5 mm	0.34 ct
6×3 mm	0.41 ct
6×4 mm	0.50 ct
6.5×4.5 mm	0.75 ct
7×5 mm	1.00 ct
7.3×5.5 mm	1.25 ct
7.5×5.8 mm	1.50 ct
8×6 mm	1.75 ct
8.2×6.2 mm	2.00 ct
8.5×6.5 mm	2.25 ct

MM	Carat
9×7 mm	2.50 ct
9.5×7.5 mm	3.00 ct
10×7 mm	3.31 ct
10×8 mm	3.50 ct
10.2×8.2 mm	4.00 ct
10.5×8.5 mm	4.50 ct
11×9 mm	5.00 ct
12×9 mm	6.06 ct
11.5×10 mm	6.45 ct
13×9 mm	6.54 ct

MM	Carat
13.2×9.2 mm	6.79 ct
14×10 mm	8.47 ct
13×11 mm	9.33 ct
13.5×11.5 mm	10.19 ct
15×11 mm	11.48 ct
14×12 mm	12.14 ct
16×12 mm	14.22 ct

MM	Carat
3.25 mm	0.25 ct
4 mm	0.39 ct
4.5 mm	0.50 ct
5 mm	0.75 ct
5.5 mm	1.00 ct
6 mm	1.25 ct
6.5 mm	1.50 ct
6.7 mm	1.75 ct
7 mm	2.00 ct
7.5 mm	2.50 ct

MM	Carat
8 mm	3.00 ct
8.5 mm	3.50 ct
9 mm	4.00 ct
9.25 mm	4.50 ct
9.5 mm	5.00 ct
10 mm	5.62 ct
11 mm	7.44 ct
12 mm	9.52 ct
13 mm	12.66 ct