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 555.55 carat black diamond has belonged to its current owner for two decades but little is known about its history before that. A billion-year-old black diamond, believed to be the world's ...

The 555.55 carat black diamond has belonged to its current owner for two decades but little is known about its history before that. A billion-year-old black diamond, believed to be the largest cut ...

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 ...

Black Diamond apples (Malus Domestica ... produce fruit two months out of the year and it's clear why they are both expensive ...

The 'Diamonds Are Forever Martini' ranges ... Champagne Charlie 1981 and Louis XIII de Remy Martin Black Pearl cognac. The third most expensive cocktail in the world is served in London at the ...