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

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 ...

Green reminds people of nature, so it’s only natural that green gemstones are believed to symbolize harmony, balance and long ...

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 ...

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 ...

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 ...

The most expensive pearl ever sold was Marie ... Tom Moses: Assessing the value of a pearl is probably the most complex gem to assess. Narrator: That's Tom Moses. He's a gemologist at the ...

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.