#### mwilliamanderson

##### Brilliant_Rock

- Joined
- Aug 13, 2013

- Messages
- 640

Thanks Gary. I’ve been looking at only AGS stones for a couple of months and I was thinking where are all the other PA’s? I forgot about GIA rounding, lol.There is a

The order of importance in terms of affect on diamond proporfamnce:

Pavilion angle, Crown angle, table size, lower girdle, star facet length

A 1 degree variation in pavilion angle requires an inverse 5 degree crown angle variation.

So essentially the variation in crown angle seems more prcatical.