|
 |
 Diamond |
| The cut of diamond uses as well as possible the light and its laws of propagation (reflexion, refraction, dispersion), thus determining the proportion to give fire, brilliance and sparkling. |
Qualification |
Description |
| Very good |
Remarkable brilliance, external marks very few and negligible |
| Good |
Good brilliance, some external marks |
| Medium |
Altered brilliance, several important external marks |
| Poor |
Considerably altered brilliance, big and/or many external marks |
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