CARAT WEIGHT	LENGTH MM SIZE	WIDTH MM SIZE	DEPTH MM SIZE
0.20 - 0.29 ct	4.50 - 5.00 mm	3.20 - 3.50 mm	3.20 - 3.50 mm
0.30 - 0.39 ct	5.00 - 5.50 mm	3.50 - 3.80 mm	3.50 - 3.80 mm
0.40 - 0.49 ct	5.50 - 6.00 mm	3.80 - 4.10 mm	3.80 - 4.10 mm
0.50 - 0.69 ct	6.00 - 6.50 mm	4.10 - 4.40 mm	4.10 - 4.40 mm
0.70 - 0.89 ct	6.50 - 7.00 mm	4.40 - 4.70 mm	4.40 - 4.70 mm
0.90 - 1.19 ct	7.00 - 7.50 mm	4.70 - 5.00 mm	4.70 - 5.00 mm
1.20 - 1.49 ct	7.50 - 8.00 mm	5.00 - 5.30 mm	5.00 - 5.30 mm
1.50 - 1.99 ct	8.00 - 8.50 mm	5.30 - 5.60 mm	5.30 - 5.60 mm
2.00 - 2.49 ct	8.50 - 9.00 mm	5.60 - 5.90 mm	5.60 - 5.90 mm
2.50 - 2.99 ct	9.00 - 9.50 mm	5.90 - 6.20 mm	5.90 - 6.20 mm
3.00 - 3.49 ct	9.50 - 10.00 mm	6.20 - 6.50 mm	6.20 - 6.50 mm
3.50 - 3.99 ct	10.00 - 10.50 mm	6.50 - 6.80 mm	6.50 - 6.80 mm
4.00 - 4.49 ct	10.50 - 11.00 mm	6.80 - 7.10 mm	6.80 - 7.10 mm
4.50 - 5.00 ct	11.00 - 11.50 mm	7.10 - 7.40 mm	7.10 - 7.40 mm

Note: Briolette cut diamonds are drop-shaped with triangular facets covering the entire surface

Professional Briolette Cut Diamond Size Chart