Engraving

[Amalia]

I was thinking that a great addition to the lapidary trade (or, I suppose it could be a trade on its own) would be engraving. The amount of writing possible on a piece of jewelery would be dependent on how much metal went into making it. A jeweler could also engrave weapons or armour, either just as a basic ability or in the event that the jeweler was also a weapon/armoursmith.