Finance

Diamonds created by Australian scientists in a lab

The billion-year wait for the perfect sparkler is over after an Australian-led scientific team discovered how to make diamonds in minutes.

The process is thought to take an age, huge amounts of pressure and super-hot temperatures, hundreds of kilometres beneath the earth’s crust.

But researchers at the Australian National University and RMIT have figured out how to make carbon crystallise into diamonds in a laboratory at room temperature.

“It’s all down to how we apply the pressure – we allow the carbon to experience something called ‘shear’ – which is like a twisting or sliding force,” physicist Jodie Bradby told AAP.

“We think this allows the carbon atoms to move into place forming both lonsdaleite and regular diamonds, like those found on engagement rings.

An Australian-led scientific team has figured out how to make diamonds in minutes. Credit: AAP

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