Round Cut Guide
| Excellent | Very good | Good | Fair | Poor | |
|---|---|---|---|---|---|
| Table % | 53-58 |
52-53 or 58-60 |
51 or 61-64 |
50 or 65-69 |
<50 or >69 |
| Depth % | 59-62.3 |
58-58.9 or 62.4-63.5 |
57.5-57.9 or 63.6-64.1 |
56.5-57.4 or 64.2-65 |
<56.5 or >65 |
| Crown Angle | 34-34.9 |
32.1-33.9 or 35-35.5 |
30.1-32 or 36-37.9 |
29-30 or 38-40.5 |
<29 or >40.5 |
| Pavillion Depth | 42.8-43.2 |
42-42.7 or 43.3-43.9 |
41-41.9 or 44-45.5 |
39-40.9 or 45.6-48 |
<39 or >48 |
| Girdle |
Thin to Slightly Thick |
Very Thin to Slightly Thick |
Very Thin to Thick |
Very Thin to Very Thick |
Ex. Thin to Ex. Thick |
| L/W Ratio | 1.00-1.01 | 1.00-1.01 | 1.00-1.01 | 1.02 | >1.02 |
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