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.

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 ...

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 ...