CUT CLASSES

Class 1A

Class 1B

Class 2A

Class 2B

Class 3A

Class 3B

Class 4A

Class 4B

Table %

61-63.5%

63.6-64.1%

60.9-60%

64.2-65%

59.9-59.0%

65.1-69.0%

58.9-58%

69.1-74.0%

57.9-56.0%

74.1-76.0%

55.9-53%

76.1-78.0%

52.9-50%

> 78.0%

< 50.0%

Crown Height %

12.3-14.4%

12.2-11.9%

14.5-15%

11.8-11.5%

15.1-15.6%

11.4-11.1%

15.6-16.2%

11.0-9.5%

16.3-17.0%

9.4-8.5%

17.1-18.5%

8.4-7.8%

18.6-19.5%

< 7.8%

> 19.5%

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 %

60-65.0%

65.1-69.0%

59.9-58.0%

69.1-74.0%

57.9-57.0%

74.1-78.0%

56.9-56.0%

78.1-80.0%

55.9-53.0%

> 80.0%

< 53.0%

Polish/Symmetry

Not a primary determining factor.

Excellent to Good

Good to Fair

Fair to Poor