Archaeologists Find Engraved Semi-Precious Gemstones Clogging a 2000-Yr-Old Roman Bathhouse, Astounded by the Workmanship In ...

Historically, gems have been divided into precious and semiprecious classes. There are a number of semiprecious gems, many quite beautiful, but diamonds, rubies, sapphires, and emeralds continue ...

If you're out of Valentine's Day gift ideas, the Mint has released a new collectible coin that's likely better than flowers ...

The Gold Sheen Sapphire, a recently discovered gem, has swiftly claimed the title of the second-rarest gemstone on Earth. Its ...

Semi-precious gems are also having a moment, driven by concerns about ethical mining and lab-grown doppelgangers. It’s time to take a look. Insofar as we’ve covered diamonds before in this ...