Perfect diamonds not in an imperfect game ;-)
from 
SorcererKing Forums
SorcererKing Forums
Playing tinkerer Flawless diamonds are needed to all the GOOD stuff. They should be rare BUT : med map, D's skill tree is maxed, 3/4 of map totally cleared; only 1 found. That is way beyond rare. Also please consider allowing them to be crafted in the highest crafting skill. Make them cost a lot but make them creatable.