Stellar Jewelry::Product Knowledge Base::MM to Carats Stone Conversion Table

MM to Carats Stone Conversion PS. These are approximate diamond sizes

Carat Size	Round Shape MM Size	Pear Shape MM Size	Marquise Shape MM Size	Oval Shape MM Size	Emerald Shape MM Size	Heart Shape MM Size	Trillion Shape MM Size	Princess Shape MM Size
0.0050	1.00
0.0067	1.15
0.0075	1.12
0.0100	1.3
0.0150	1.5
0.0200	1.7
0.0250	1.8
0.0300	2.0							1.5 x 1.5
0.0350	2.1		2.5 x 1.25
0.04	2.2		3 x 1.5					1.75 x 1.75
0.05	2.4
0.06	2.5		3.5 x 1.75					2 x 2
0.07	2.7		3.5 x 2					2.25 x 2.25
0.08	2.8
0.09	2.9	3 x 2.5	4 x 2
0.10	3.0						3 x 3 x 3	2.5 x 2.5
0.11	3.1		4.25 x 2.25
0.12	3.2	4 x 2.5				3 x 3
0.14	3.3	4 x 3	4.5 x 2.5				3.5 x 3.5 x 3.5	2.75 x 2.75
0.15	3.4		5 x 2.5
0.16	3.5	4.5 x 3
0.17	3.6							3 x 3
0.18	3.7						4 x 4 x 4
0.20	3.8	5 x 3	5 x 3	4 x 3		3.5 x 3.5		3.25 x 3.25
0.22	3.9
0.23	4.0							3.5 x 3.5
0.25	4.1		6 x 3	5 x 3	5 x 3	4 x 4	4.5 x 4.5 x 4.5
0.30	4.2	5.5 x 3.5	6 x 3.5					3.75 x 3.75
0.33	4.4						5 x 5 x 5
0.38	4.6		7 x 3.5	5 x 4		4.5 x 4.5		4 x 4
0.40	4.8						5.5 x 5.5 x 5.5
0.47	5.0
0.50	5.2	6 x 4	8 x 4	6 x 4	6 x 4	5 x 5	6 x 6 x 6
0.60	5.4
0.65	5.6					5.5 x 5.5
0.75	5.8	7 x 5	9 x 4.5		6.5 x 4.5	6 x 6
0.80	6.0
0.95	6.4
1.00	6.5	8 x 5	10 x 5	7 x 5	7 x 5	6.5 x 6.5
1.10	6.6
1.17	6.8
1.25	7.0			7.5 x 5.5
1.33	7.2
1.50	7.4	9 x 6	11 x 5.5	8 x 6	8 x 6	7 x 7	7 x 7 x 7
1.60	7.6
1.75	7.8
1.90	8.0
2.00	8.2	10 x 7	12 x 6	8.5 x 6.5	8.5 x 6.5	8 x 8	8 x 8 x 8
2.15	8.4
2.25	8.6
2.50	8.8	12 x 7	13 x 6.5	9 x 7	9 x 7	8.5 x 8.5	9 x 9 x 9
2.85	9.2
3.00	9.4	12 x 8	14 x 7	10 x 8	10 x 8	9 x 9	10 x 10 x 10
3.15	9.6
3.35	9.8
3.50	10.0	13 x 8	14 x 7.5	10 x 8.5		9.5 x 9.5
3.75	10.2
4.00	10.4	14 x 8	16 x 8	11 x 9	11 x 9	10 x 10
4.25	10.6
4.50	10.8	14.5 x 9		11 x 9.5		10.5 x 10.5
4.75	11.0
5.00	11.2	15 x 9	16 x 8.5	12 x 10	12 x 10	11 x 11

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