Welcome to Preliminary Quality Opinion Report
We’re the first third independent evaluation for colored stone.
Color
Poor | Fair | Good | Very Good | Excellent |
1-2 | 3-4 | 5-7 | 8-9 | 10 |
Tone
Very Light | Light | Medium | Dark | Very Dark |
0-20 | 30-40 | 50-60 | 70-80 | 90-100 |
Clarity
HI1 | VI 2 | VI 1 | MI 2 | MI 1 | LI 2 | LI 1 | Clean |
1-2 | 3 | 4
| 5
| 6 | 7 | 8
| 9-10 |
Cut
Poor | Fair | Good | Very Good | Excellent |
1-2 | 3-4 | 5-7 | 8-9 | 10 |
Brilliancy
Poor | Fair | Good | Very Good | Excellent |
10-20 | 30-40 | 50-60 | 70-80 | 90-100 |