CUT CLASSES

Class 1A

Class 1B

Class 2A

Class 2B

Class 3A

Class 3B

Class 4A

Class 4B

Table %

62-68%

68.1-71%

61.9-60%

71.1-72%

59.9-59.0%

72.1-77.0%

58.9-58%

77.1-82.0%

57.9-56.0%

82.1-85.0%

55.9-53.0%

85.1-88.0%

52.9-50.0%

> 88.0%

< 50.0%

Crown Height %

9-10%

8.9-8.5%

10.1-11%

8.4-8.0%

11.1-11.5%

7.9-6.0%

11.6-13.0%

5.9-5.0%

13.1-15.0%

4.9-4.0%

15.1-17.5%

3.9-3.1%

17.6-18.5%

< 3.0%

> 18.5%

Girdle thickness

Word descriptions and percentages.

Thin to Medium Medium to Thick

1% to 3.0% or
1.7% to 5.5%

Thin to Thick

1% to 5.5%

more variance

Very thin to Very thick

0.4% to 7.0%

Extremely thin to Extremely thick

0% to > 7.0%

Total Depth %

64-75%

75.1-80.0%

63.9-58.0%

80.1-83.0%

57.9-57.0%

83.1-84.0%

56.9-56.0%

84.1-85.0%

55.9-53.0%

> 85.0%

< 53.0%

Polish/Symmetry

Not a primary determining factor.

Excellent to Good

Good to Fair

Fair to Poor