Diamondfresh
Rough_Rock
- Joined
- Apr 8, 2019
- Messages
- 20
That seems a more restrictive set of parameters than I've been using/recommending - I've been suggesting these!Look for GIA Ex cut stones within these parameters:
Table 54-57
Depth 62-62.3
Crown angle 34-35.0
Pavilion angle 40.6-40.9