Interestingly, this improved extraction method has created an unexpected challenge: a glut of giant diamonds too large for typical jewelry use. The glut hasn't been helped by automation in the diamond ...

Use left and right arrow keys to seek audio. The process of naturally making a diamond takes billions of years, as minerals under extreme pressure deep beneath the Earth's surface get mashed together ...

One of the most amazing uses of marketing ever, they created an artificial tradition by putting it in movies and advertising it while constraining supply. Before middle 20th century it wasn't a ...