What is the difference between precious vs. semi precious gemstones? According to the International Gem Society, 2 today’s ...

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 ...

Discover the history and properties of lapis lazuli, a stunning blue rock prized for its color and gemstone uses.