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)

326557563s ago, by Antonio

I want that

326549060s ago, by AlexZhu

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

326553152s ago, by DaSharkCraft

A coal to diamond

326554876s ago, by ofekDeutscher

That real

Cool