Today I'm showing you a compact and quick Create mod diamond farm. This farm gathers wood, smelts it, and turns it into coal and diamonds. It can produce up to 250 diamonds per hour and fits in a 4x5x4 Footprint. If you want the schematic without the tree farm component, check out the description of the linked video where I have the necessary info there.
Pressing charcoal turns it into coal. Then it is pressed into coal blocks.