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 ...

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 ...

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 ...

And this obsession has not gone away with many operations worldwide still searching for the most valuable gems. This brings us to the world’s richest diamond mine, worth an estimated £1 billion ...

High-quality black opal can cost over $10,000 per carat, making it one of the world's most expensive gemstones. Over 90% of black opals come from Australia, but they aren't easy to find.