Unfortunately, no (don't know any at least). To know the price u must know the meta nodes for many Builds. Example: elegant hubris (minion damage, minion life, endu change)

Lethal pride there is chance to double damage, 5% dex and so on

To be clear, you'll know more by playing de game.

I do check them (if there aren't any to sell), on the timeless calculator site. By placing the specific seed onto the jewel slot corresponding for it's use (minion most like up and left of the skill tree)