opalescence in diamonds

[T L]

How much does opalescence in diamonds affect price. Here''s a stone with a peachy fancy color, but it''s very opalescent.

?????

 

[T L]

Here''s another, and it''s still quite expensive, but it''s much more pink, albeit light pink.

=Brown:2o8h065d]http://www.colordiamondshop.com/detail.php?id=3165&scroll=433&s[Couleur]=Brown

 

[Garry H (Cut Nut)]

Check out the diamond on the right in the second abstract here

I have a few more like that
http://idcc2.octonus.com/abstracts.phtml