Diamond Planet discovered (geekologie.com)

Astronomers have recently verified that 55 Cancri e, a planet originally discovered in 2004, is composed mostly of carbon, at least a third of which is in the form of DIAMONDS. And it's only 40-light years away! Travel at the speed of light for 40 years and you're there. Another 40 years back to earth and getting engaged won't be such a strain on the wallet!