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

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 ...

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 ...

Some of these stones are found in just one or two places on Earth, while others are so scarce that fewer than a handful exist worldwide. The red diamond tops the list as the most expensive Diamond ...

A single curling stone certified for the Olympics costs over $600. That makes a full set of 16 stones worth $9,600. Since 2006, every stone used in the Olympic Winter Games has come from Kays of ...

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