Diamonds Education: EGL Cut Grades
- EGL Cut Grade Parameters
-
Lab
European Gemological Labs, USA (EGL USA)
Cut >
Ideal Plus
Ideal
Very Good
Good
Fair
Table width %
53 - 58
53 - 63
53 - 65
53 - 67
53 - 71.5
Crown Height %
13.0 - 17.0
11.5 - 17.3
9.5 - 17.8
Crown Angle %
33 - 36
32 - 36.3
31 - 36.8
30 - 37.8
29.5 - 38.8
Pavilion Depth %
42 - 44
41.5 - 44.5
41 - 44.6
40 - 46
37.9 - 46.1
Pavilion Angle
40.0 - 41.2
39.5 - 41.5
39.5 - 42.5
Girdle Thickness
Thin to Sl. Thick
Thin to Sl. Thick
Thin to Thick
Very Thin to Very Thick
Ex. Thin to Ex. Thick
Total Depth%
58.5 - 62.5
57 - 63.5
56 - 64.5
54 - 66.9
50 - 69.9
Culet size %
Pointed to Medium
Pointed to Sl. Large
Pointed to Sl. Large
Pointed to Large
Pointed to Very Large
