In the World of Warcraft online game, all draenei have an effective Jewelcrafting skill 10 points above their actual training.
The sole benefit to this ability is marginally early learning of patterns as you level. Creatures that are summoned by JC-produced trinkets do not scale with the skill of the user.
In Warcraft RPG EditThis section concerns content exclusive to the Warcraft RPG, and thus is not necessarily canon.
Gemcutting is a suggested learnable craft in the RPG.