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 ...

These days, there are many choices of expensive green gemstones, but we created a list of the most popular and ranked them by price. 30. Green Fluorite Price per carat:$.50 - $50 ...

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 ...

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 ...

But this is true. The world’s most expensive stone is not diamond but the rarest mineral is kyavathuite and painite. According to information, minerals are found almost everywhere on earth.

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 ...