However, it might surprise you to know that there are precious stones that are rarer and more expensive than these popular ones. A number of the most valuable gemstones are new discoveries that ...

Diamonds are a girl's best friend, but these diamonds will have eco-friendly enthusiasts swoon. The most valuable gemstone ...

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

Here are some of the most expensive healing crystals in the world ... combined with exceptional purity makes it one of the rarest gemstones. Healing Properties: Symbolizes love, emotional balance ...

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 most valuable banknotes are nearly all worth less than $100,000, according to Banknote World. In contrast, the most valuable coins can command $3 million or more. If you have a rare $1 bill ...