The classic brilliant Round cut mm to carat weight coversion used as a guide.

Stone Size (mm)Weight/Stone (ct)Approx Stones/Carat
0.8 mm0.0035 ct286
0.9 mm0.004 ct250
1 mm0.005 ct200
1.1 mm0.065 ct154
1.2 mm0.075 ct133
1.3 mm0.01 ct100
1.4 mm0.0125 ct80
1.5 mm0.015 ct67
1.6 mm0.0185 ct54
1.7 mm0.022 ct45
1.8 mm0.025 ct40
1.9 mm0.03 ct33
2 mm0.035 ct29
2.1 mm0.04 ct25
2.2 mm0.045 ct22
2.3 mm0.05 ct20
2.4 mm0.06 ct17
2.5 mm0.065 ct15
2.6 mm0.07 ct14
2.7 mm0.08 ct13
2.8 mm0.09 ct11
2.9 mm0.10 ct10
3 mm0.11 ct9
3.25 mm0.14 ct7
3.5 mm0.17 ct6
3.75 mm0.21 ct5
4 mm0.25 ct4
4.25 mm0.28 ct4
4.5 mm0.36 ct3
4.75 mm0.44 ct2
5.0 mm0.50 ct2
5.25 mm0.56 ct
5.5 mm0.66 ct
5.75 mm0.75 ct
6 mm0.84 ct
6.25 mm0.93 ct
6.5 mm1.00 ct
6.8 mm1.25 ct
8.7 mm2.50 ct
9 mm2.75 ct
9.1 mm3.00 ct
9.5 mm3.35 ct
9.75 mm3.61 ct
10 mm3.87 ct
10.25 mm4.16 ct
10.5 mm4.41 ct
10.75 mm4.57 ct
11 mm4.91 ct
11.25 mm5.49 ct
11.5 mm5.85 ct
12 mm6.84 ct
12.25 mm7.26 ct
12.5 mm7.36 ct
12.75 mm7.52 ct
13 mm8.51 ct
13.5 mm9.53 ct
14 mm10.49 ct
  • Diamond OriginDiamond rough is mined from various non-conflict funded countries such as Canada, Russia, Africa, and Australia, then streamlined to cutting manufacturers in India. We import our diamonds from these legitimate sources who are not involved in conflict funding, and are in compliance with the United Nations Resolution. At Aakash Inc. we maintain high standards for our products to assure that our suppliers yield diamonds which are 100% conflict-free.
  • Ethical PracticesWe believe in transparency and providing the information to you, Scouts Honor. Our diamonds are imported and screened with our in-house Yahuda’s Sherlock Holmes Diamond tester. In a world were Lab Grown diamonds have entered the marked it's our duty to provide you the necessary information.

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