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

When you think of expensive gemstones, what comes to mind? Most people think of the Big Four: diamonds, emeralds, rubies and sapphires. However, it might surprise you to know that there are ...

More from So Expensive A triangle pointing right which indicates this type of media can be played. Amethyst is one of the most abundant crystals in the world, but the most prized pieces can cost ...