We can make diamonds using the Earth’s inner forces, extreme pressure and heat. We simply send Carbon Blocks in tubes, which have been drilled into the Earth’s Mantle. Then let them return under the pressure built up in the tube and you will be able to make diamonds. Why would we wish to make diamonds? We can make diamonds for wealth to pay off our national debt, for nation building or even feeding starving Africans or perhaps poor South Americans in our own backyard?Besides the obvious economic.