In the field of Gemology, four gemstones in the world have earned the classification of precious stones. These “big four” are diamond, ruby, sapphire, and emerald. In this article, we’ll take a deep dive into each of these gems and highlight interesting facts along the way, courtesy of the Gemological Institute of America (GIA).
The diamond: It’s a gem that is much rarer than most of us could ever imagine. For decades, it’s been referred to in pop culture—and in jewelry store advertisements—as “a girl’s best friend.” It’s also the hardest natural material on earth, literally. But how much do you really know about that sparkling cut of ice that’s attached to your custom diamond engagement ring?
Here’s the thing about diamonds: Even if you were bored to death by your high school geology class, you’ll probably be surprised to learn just how fascinating the story of the diamond really is.