the searing temperatures – you’d think similar conditions would be needed for any synthetic gemstone. Apparently not, though, as [NightHawkInLight] reveals his trivially easy method for making ...

Have you ever wondered how those resplendent lab-grown gems are created? Buckle up because we're in for a deep dive, discussing some cool stuff about how those synthetic gemstones are made.

In their project, reported in the journal Nature Materials, the group developed a process that involves heating and compressing graphite to create synthetic diamonds. Diamonds are a prized gem the ...

Synthetic diamonds are created from "tiny carbon ... these processes eventually form a rough diamond that can be shaped into a gemstone, Brilliant Earth said. The pressure and heat method crushes ...

But as a capital venture investment, the synthetic gems have been a lot less successful, with millions of euros lost — and plunging prices for lab-grown diamonds, which the industry refers to as ...

Here's a look at how synthetic gems are made — and how they compare to those culled from the ground. Video/Illustration: Heather Seidel/The Wall Street Journal ...