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 ...

Scoopi Cafe in Dubai serves a dessert called "Black Diamond," which is considered to be the most expensive ice cream in the world with a price tag of $817. Like all varieties of ice cream served ...

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.

The Oppenheimer Blue sold on Wednesday for more than $57.5 million including fees at a Christie's auction in Geneva, making it the most expensive diamond ever sold.

From intricately designed pawns to boards from luxury brands, check out the most expensive chess sets in the world.

In June of that year, Beckett Football Card Monthly published a story outlining the top 20 most expensive Barry ... came from the 1997 Upper Deck Black Diamond Gold. It was 18th on the list ...