Diamonds can now be created in a laboratory in just a few weeks. Producers of synthetic diamonds claim they are identical to the mined stones and more ethical. Lab-grown diamonds are also around a third cheaper. In an attempt to disrupt the disruptors, established diamond companies, including De Beers, are now producing their own lab-grown diamonds. But can synthetic gems ever replace the real thing? 1843 spoke to the “Queen of Diamonds”, Alisa Moussaieff, and Jeremy Scholz, a leading manufacturer of lab-grown diamonds.