Cut QUESTION

[cherij0411]

Hi

I am just curious why if you were to purchase a GIA triple Excellent graded stone that it still might not be that great a stone in terms of light return? For example you may plug the Numbers into the HCA cut advisor and it would give a really high score.

Thanks

 

[slg47]

this article might help

https://www.pricescope.com/journal/laboratory_cut_grades_what_report_doesn%E2%80%99t_show