"Symmetry" - Not the most exciting topic I know...

[krharper]

What exactly does "Symmetry" really mean, for example, in a GIA report? In my case I recently purchased an Asscher (sq.cut emerald) from Whiteflash, using Mr. Sherwood''s advice, with a:

Depth: 68.1%

Table: 59%

But the stone (GIA) reports Symmetry: GOOD. So then the next question is how does the lab determine symmetry and how important is it compared to the proportions of the stone? Thanks for any insight!

BTW: What is amazing about Pricescope and the information given by its members is how you feel armed for battle when you enter your local B&M store! And after the initial dissapointment comes the sly smirk walking out of the same B&M store after figuring out you know more than the person behind the counter. Thanks to Pricescope and the astounding professional knowledge of its members.

Thanks again,

K. Harper

 

[Garry H (Cut Nut)]

Sometimes it concerns facet meeting points, and more often it is a simple spat out report from a sarin scanner.

If you really want to go deep then read all this http://www.cutstudy.com/cut/english/symmetry/index.htm and you will see what we are doing to fix the vagueness of the issue.

I had an Israeli supplier in the other day who saya they really can not understand how 1 big lab does it - they get really odd grades - there is not enough microscope time spent to really do a full report on meet points and to understand what gets spat out from the not supper accurate digi scan.