"Mandarin garnet" specimens are the most in demand and the most expensive. Spessartine gem quality stones are rarely larger ...

Black Diamond $3,000 - $5,000. View this post on Instagram. ... Discovered only in the 1830s, Alexandrite is the rare gemstone with a remarkable ability to apparently change color.

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 ...

Serendibite is an ultra-rare gemstone that was originally discovered in Sri Lanka in 1902. Its bright and attractive colour ranges from blue-green to black, and it’s highly prized for its ...

Find the attractive beauty of Black Onyx. Its rich history, profound symbolism & flexible applications. Explore the question, "Is Onyx expensive?" ...

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.

Shungite is a rare black stone made of up to 99 percent carbon. It’s mainly found in Shunga, a village in Karelia, Russia. The stone has a unique composition.