30 Most Expensive Green Gemstones, Ranked by Price ... yes, emeralds tend to be the most popular green gemstone, they’re certainly not the only one and not even the most expensive by carat weight.

The Pink Star is the most expensive diamond in the world, sold for $83 million. Known for its vivid pink colour and flawless ...

Found mostly in Sri Lanka and Tanzania, taaffeite is one of the rarest gemstones, with only a handful of gem-quality specimens available. It is priced at a remarkable $35,000 per ...

Gemstones have been a topic of fascination to human beings for centuries, not just for their beauty, but also for how rare they are, what they symbolise, and that they are worth millions.

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 ...

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

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.