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 ...

The Most Expensive Fire Opal in the World. The Fire of Australia is known as the finest uncut opal in existence and is worth ...

The most valuable black opal features bright red stone against a very black base. In the '80s and '90s, gem-quality brown diamonds were worth about $1,500 per carat, but now many sell for up to ...

When Aussie dad Justin Thomas came across a parcel of rough stones mined from the famous opal region of Lightning Ridge, he ...

A house in Somerset that sold for $800,000 tops the list of the most expensive residential real estate sales in Franklin ...

Leaves are changing, everything is pumpkin spice flavored, and Halloween candy is on sale–all of that combined can only mean one thing: It’s October! And what better way to honor our favorite ...

An extensive and valuable opal collection considered the premier opal collection in the 1980s is up for auction and could be lost for the people of Australia. BRISBANE, QUEENSLAND, AUSTRALIA, June ...

An extensive and valuable opal collection considered the premier opal collection in the 1980s is up for auction and could be lost for the people of Australia. BRISBANE, QUEENSLAND, AUSTRALIA, June ...