The jewelry industry has shown great interest in ersatz versions of the 45-carat Hope diamond, but other uses could prove more lucrative. Using CVD, scientists will be able to cheaply mass-produce diamond semiconductors that are hundreds of times as powerful as their silicon counterparts.
So, when can I send off one of my sword blades and have the edge diamond-reinforced?
Edit: And can they build a super-intelligent computer AI into it at the same time? ;]