Ok got it that was most helpful. And yes gen, I am using the area light. SO I need to harden the edges (so obvious now!), increase my sampling and play with refraction settings and caustics. Thanks!...

Hey all!

I'm a new maya user (loving it!) and today I was following this tutorial, http://pixeltutorials.wordpress.com/2011/12/18/diamonds-with-mental-ray/

and I was able to follow it pretty...