The DiaPusher plugin version 2.0 is out: with steps between coal and diamonds to make it fairer :D

http://dev.bukkit.org/bukkit-plugins/diapusher/

Hope you enjoy pressing coal to diamonds :D

PS: work for every new bukkit version(no versions are knows, where it doesn´t work)

209468928s ago, by Antonio

I want that

209460425s ago, by AlexZhu

Coal is made up of carbon. Diamonds are too. But diamond has had thousands of years if pressure to change it.

209464517s ago, by DaSharkCraft

A coal to diamond

209466241s ago, by ofekDeutscher

That real

Cool