Diamonds were not always mined.
Today, the vast majority of diamonds on the market are mined underground or beneath the sea using heavy machinery and cutting-edge technology. However, before diamonds were mined beneath the earth's surface, miners discovered them alongside or at the bottom of rivers. Alluvial mining is the name given to this type of mining activity.
Billy, the iconic Saw puppet, was so important to filmmakers James Wan and Leigh Whannell that they paid for it to have its own seat on a flight from Melbourne to Los Angeles.