Gemstones have been a topic of fascination to human beings for centuries, not just for their beauty, but also for how rare ...

Usually, what springs to mind when you think of the world’s most expensive substances are gold, silver, and platinum. However ...

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 ...

Diamond is considered to be the most precious and expensive gem in the world. But if we tell you that diamond is not the most expensive and rare gem in the world, will you believe it? But this is ...

The most expensive painting in the world is the ... beckoning patrons from all corners of the world. These veritable gems, seldom traded or sold, stand as exemplars of artistic excellence, and ...

From Jennifer Lopez's pink engagement ring to Kim Kardashian's 15-carat stunner, read on for a roundup of some of the most ...