Soon after this rebranding, Chocolate Diamonds took off ... brown diamonds were used as tools to drill through rocks and cut glass. But in 1986, Argyle Mine opened. Today, it produces more ...

Soon after this rebranding, Chocolate Diamonds took off ... opal is extracted and processed from the dirt, it has to be cut and polished. This is when the real value of the gem is determined.

Instead, brown diamonds were used as tools to drill through rocks and cut glass ... particularly named brown diamonds. Soon after this rebranding, Chocolate Diamonds took off.