Gemcutting

Society: Human

Take an hour to improve the grade of a cut gem by one, to a maximum of the skill's value.
On a failure, the gem is fractured and reduced to half its uncut value.

--| Grade | Value 1 | Rough | +10% 2 | Fair | +25% 3 | Refined | +50% 4 | Exquisite | +75% 5 | Immaculate | +100%