Size Chart - AZENA - Certified Sustainability Rated Diamonds adhere to the highest standards of social

DIAMOND SIZE CHART

Diamond Size Chart

Want to know the actual size of a 1 carat diamond on a hand? Use our diamond size chart to understand the millimeter (mm) size of each diamond shape.

MM Size	Carat Weight
4 mm.	0.25 ct.
5.0 mm.	0.50 ct.
5.75 mm.	0.75 ct.
6.5 mm.	1.00 ct.
6.8 mm.	1.25 ct.
7.3 mm.	1.50 ct.
7.75 mm.	1.75 ct.
8 mm.	2.00 ct.
8.7 mm.	2.50 ct.
9.1 mm.	3.00 ct.
9.75 mm.	3.50 ct.
10.25 mm.	4.00 ct.
10.75 mm.	4.50 ct.
11 mm.	5.00 ct.

MM Size	Carat Weight
3.25 mm.	0.25 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.
6.75 mm.	1.75 ct.
7 mm.	2.00 ct.
7.5 mm.	2.50 ct.
8 mm.	3.00 ct.
8.5 mm.	3.50 ct.
8.75 mm.	4.00 ct.
9.25 mm.	4.50 ct.
9.5 mm.	5.00 ct.

MM Size	Carat Weight
3.25 mm.	0.25 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.
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.

MM Size	Carat Weight
4.30x3 mm.	0.25 ct.
6x4 mm.	0.50 ct.
6.5x4.5 mm.	0.75 ct.
7x5 mm.	1.00 ct.
7.3x5.3 mm.	1.25 ct.
7.5x5.5 mm.	1.50 ct.
8x6 mm.	1.75 ct.
8.5x6.5 mm.	2.00 ct.
9x7 mm.	2.50 ct.
9.3x7.5 mm.	3.00 ct.
9.75x7.7 mm.	3.50 ct.
10x8 mm.	4.00 ct.
10.5x8.5 mm.	4.50 ct.
11x9 mm.	5.00 ct.

MM Size	Carat Weight
4 mm.	0.25 ct.
5 mm.	0.50 ct.
6 mm.	0.75 ct.
6.5 mm.	1.00 ct.
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 Size	Carat Weight
6x3 mm.	0.25 ct.
8x4 mm.	0.50 ct.
9x4.5 mm.	0.75 ct.
10x5 mm.	1.00 ct.
11x5.5 mm.	1.25 ct.
12x6 mm.	1.50 ct.
12.5x6.25 mm.	1.75 ct.
13x6.5 mm.	2.00 ct.
14x7 mm.	2.50 ct.
15x7 mm.	3.00 ct.
15x8 mm.	3.50 ct.
16.5x8.25 mm.	4.00 ct.
16.75x8.5 mm.	4.50 ct.
17x8.5 mm.	5.00 ct.

MM Size	Carat Weight
5x3 mm.	0.25 ct.
6x4 mm.	0.50 ct.
7x5 mm.	0.75 ct.
7.7x5.7 mm.	1.00 ct.
8x6 mm.	1.25 ct.
8.5x6.5 mm.	1.50 ct.
9x6.5 mm.	1.75 ct.
9x7 mm.	2.00 ct.
10x8 mm.	2.50 ct.
12x8 mm.	3.00 ct.
12x8.5 mm.	3.50 ct.
12.5x8.5 mm.	4.00 ct.
12.75x8.5 mm.	4.50 ct.
12x10 mm.	5.00 ct.

MM Size	Carat Weight
5x3 mm.	0.25 ct.
6x4 mm.	0.50 ct.
7x5 mm.	0.75 ct.
7.7x5.7 mm.	1.00 ct.
8x6 mm.	1.25 ct.
8.5x6.5 mm.	1.50 ct.
10x6 mm.	1.75 ct.
9x7 mm.	2.00 ct.
10x8 mm.	2.50 ct.
12x8 mm.	3.00 ct.
12x9 mm.	3.50 ct.
14x8 mm.	4.00 ct.
14.5x9 mm.	4.50 ct.
15x9 mm.	5.00 ct.

MM Size	Carat Weight
4.3x3 mm.	0.25 ct.
6x4 mm.	0.50 ct.
6.5x4.5 mm.	0.75 ct.
7x5 mm.	1.00 ct.
7.3x5.5 mm.	1.25 ct.
7.5x5.8 mm.	1.50 ct.
8x6 mm.	1.75 ct.
8.2x6.2 mm.	2.00 ct.
9x7 mm.	2.50 ct.
9.5x7.5 mm.	3.00 ct.
10x8 mm.	3.50 ct.
10.2x8.2 mm.	4.00 ct.
10.5x8.5 mm.	4.50 ct.
11x9 mm.	5.00 ct.