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Grading Lab Survey
Introduction
Method of Survey
Results
- Clarity and Color
- Cut Grades
- Clarity Plots
- Laser Inscription
- Girdle Thickness
- Measurements
- Pricing
 - Price Differences
Discussion
- Brand Value
- Appraisal
Conclusion
Acknowledgements
Appendix I
Appendix II
Appendix III
Appendix IV
Appendix V

Diamond Tutorial
 
   
 
Appendix IV. Finish and Fluorescence
 

No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

Polish
GIA VG VG G G EX EX EX EX EX EX VG VG G EX VG VG VG
AGS VG VG G G ID ID ID ID ID   VG G G EX VG VG VG
EGL VG VG G G G G G VG G G VG G G VG G G G

Symmetry
GIA G G G G EX EX EX EX EX EX VG G G EX G G VG
AGS G G G G ID ID ID ID ID   VG G VG EX EX G EX
EGL VG VG G G G G G VG G G G G G VG VG G VG

Fluorescence
GIA No No No No No No No No No No No No No No Ft No No
AGS Ng Ng Ng Ng Ng Ng Ng Ng Ng   Ng Ng Ng Ng Ng Ng Ng
EGL No No No No No No No No No No No Ft No No Ft No No


Abbreviations
Polish and Symmetry
EX Excellent
ID Ideal
VG Very Good
G Good
Fluorescence
No None
Ng Negligible
Ft Faint

 
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« Appendix III   |   Appendix V »
 


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