Oval Cut Guide

Excellent Very good Good Fair Poor
Table % 53-63 52
or
64-65
51
or
64-65
50
or
69-70
<50
or
>70
Depth % 58-62 56-57.9
or
62.1-66
53-55.9
or
66.1-71
50-52.9
or
71.1-74
<50
or
>74
Girdle Very Thin -
Slightly Thick
Very Thin -
Slightly Thick
Very Thin -
Thick
Very Thin -
Very Thick
Ex. Thin -
Ex. Thick
L/W Ratio 1.35-1.50 1.30-1.34
or
1.52-1.55
1.25-1.29
or
1.56-1.60
1.20-1.24
or
1.61-1.65
>1.20
or
<1.65