Did you know that moissanites are found in space meteorites rather than on Earth? In the late 1800s, it was discovered by Henri Moissan who thought that he found a diamond while examining rock samples from a meteor crater in Arizona. That's why moissanites in their natural form are very rare and all of the moissanite that is currently on the market was produced in a laboratory. Another interesting fact is that just two years after the discovery, artificial silicon carbide had been synthesized in the lab.