Have they learned nothing from the protests in recent years surrounding "conflict diamonds"?

This is one area of free trade which has few supporters, and conflict diamonds cannot be openly imported into any country.

But critics say there's no independent oversight of the industry's monitoring and that conflict diamonds still make their way to the marketplace.

"So there is a very small network wherever these conflict diamonds are."

"We want to make it impossible," he said, "to trade in conflict diamonds."

It supports the fight against illegal and immoral trade in conflict diamonds.

Canada has passed several laws that help stop the trade of conflict diamonds.

The restrictions on the trade of conflict diamonds (except those controlled by the government) were extended for an additional 11 months.

So far, jewelry shop owners have not been fielding many questions about conflict diamonds anyway.

Learn more about conflict diamonds from Zimbabwe be certified as conflict-free.