Price of Raw Jade Question...

Hello All,
I am sort of new to Jade Carving. I am trying to make some carvings
from jade (that stuff is hard to cut!)I found someone who sells raw
jade on line at http://www.ArtistsWorksOnline.com under the raw jade
tab on their navigatin bar. Does somebody here know if the prices they
are charging are fair (It seems like a lot of $$$ to me, but they say
its good stuff but I dont know anyone who would know). I'm interested
in one of their small sizes of jade block. They call it "Polar Jade",
and of course, say its the best neprite in the world, like everybody
else does im sure. But I've never heard of it before. Don't laugh.
Like I said, I'm just starting out. It looks like a good jade, because
they list their jewelry and carvings on the site, and they look pretty
good, and they say they use the same raw jade for those.

Thanks a million,
RedRidersCR250R