Once dismissed as ugly ducklings, flawed and unusual stones are increasingly being championed by high-end jewelers.

But long before their reign, a far less dazzling gem captured the hearts of jewelry lovers — and now it’s making a comeback. Jet, a flat-black, opaque gemstone derived from wood that has ...

Narrator: High-quality black opal can cost over $10,000 per carat, making it one of the world's most expensive gemstones. But mining black opal isn't easy. After investing tens of thousands of ...

The world of diamonds, emeralds, and rubies has been more than just precious stones. For centuries, these gemstones were the pride and joy of empires, proving the worth and power of their land.