Diamond Carat Size Chart

Round Cut Diamond Carat Size

Milimeters	Carat weight		Milimeters	Carat weight
1 mm	0.005ct		4.2mm	0.3ct
1.8 mm	0.025ct		4.5 mm	0.35 ct
2.4mm	0.05ct		4.8 mm	0.4 ct
2.8 mm	0.08ct		5.2 mm	0.5 ct
3mm	0.1ct		5.5 mm	0.63 ct
3.2 mm	0.12ct		6 mm	0.75 ct
3.5 mm	0.16ct		6.6 mm	1 ct
3.8mm	0.2ct		7 mm	1.25ct
4.0mm	0.25ct		8 .mm	2.0ct