Hello-- I''m considering a princess cut diamond in the 2.5 to 3 ct range, probably H color. I''ve read that the SI stones in the larger sizes might be easier to see inclusions in. Is this simply a matter of "look at the rock" to check, or is there some way to confirm over the internet that the stone is eye clean? Specifically, I''m looking at one whose GIA cert says "clouds not indicated". Do dealers ever send you two stones to compare and let you send one back with no hassle? (If so, any recommendations?) Thanks.