I would contact a good stock duplicator and have a stock turned on pattern wood. The wood should be no more than $50, and the turning would be about $250. Use a pattern that you feel will be a good match to what you eventually want in terms of drop, grip, etc. Then you can work with the stock and see if it is indeed what you want. If you are handy at all, you should be able to inlet the stock. You could even change the shape of the stock more to your liking. But then you would have some real hands on experience with the pattern while you are shopping/saving for your dream wood. That would also reduce the chance of getting your once-in-a-lifetime stock made, only to realize you wished it was a little different.

And as was noted in a previous post, pay more attention to layout and density than figure.

There certainly is plenty of interesting wood in the $500-800 range, like the ones below...

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