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 ...

Crystals are admired for their beauty and healing properties. Rare stones like Blue Diamond, Pink Star Diamond, and Jadeite ...

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 ...

Known for its deep red hue, rubies are highly prized and valued at around $4,625 per carat. One of the hardest and most sought-after gemstones, diamonds cost approximately $9,502.13 per carat. A light ...

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 ...