Bulgari chose the Met Gala to unveil its latest high jewelry collection on global ambassador Anne Hathaway. The actress' ...

Gems made this way are significantly less expensive than naturally black diamonds. Celebrities wearing black diamond jewelry are fueling the rise in popularity of this unusual stone. The Most ...

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 ...

Soon after this rebranding, Chocolate Diamonds took off ... 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.

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.

The red diamond tops the list as the most expensive Diamond in the world that ... Its bright and attractive colour ranges from blue-green to black, and it’s highly prized for its complex ...

Following is a transcript of the video. 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.

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 ...