I agree, opals are awesome too.
Just look at this http://upload.wikimedia.org/wikipedi...ville_Mine.jpg
Beats a diamond any day.
The scarcity is false scarcity. The companies who mine them just stockpile them to create false inflation on the price.
So if they were able to do it, the price would probably stay about the same. And they'd probably make up some bullshit like "it costs a lot to get them" or whatever.