Jewelcrafting stones track raw gem supply from mining and prospecting one step upstream of the cut-gem market.
Jewelcrafting (Tradeskill)
Auction-house prices and price history for Jewelcrafting in MoP Classic.
7 items in Trade Goods › Jewelcrafting are currently auctionable in Mists of Pandaria Classic.
Prices refresh daily from TradeSkillMaster (TSM), so day-to-day gaps in lower-volume listings are expected rather than a collection problem.
Jewelcrafting listings link to price-history pages with per-realm buyout, average, and median data for Mists of Pandaria Classic.