Among the countless gems found in nature, a select few stand out not only for their beauty but also for their astronomical value. Here’s a look at some of the most expensive gemstones in the world.

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 ...

Diamonds have long been a symbol of wealth, power and prestige. Some of the most exquisite diamonds in history have fetched ...

Green gemstones are believed to symbolize harmony and healing — only part of the reason they’re so expensive. Green reminds people of nature, so it’s only natural that green gemstones are believed to ...

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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 ...

A glossary of the jewelry industry’s most precious sparklers. Our desire for beautiful things is as instinctive as it is ancient. Even before the advent of modern civilization, humans used the ...

Fancy color diamonds are among the rarest and most valuable gemstones. Diamonds in the normal color range are colorless through light yellow and are described using the industry’s D-to-Z color-grading ...

Radio host Amanda Holden wore the River Island shirt and matching trousers earlier this week - and her full outfit is still ...