The diamond-encrusted disc symbolizes the natural abundance of the Bunder diamond deposit.

FORBES: Connect

Only serious, qualified buyers who have submitted a deposit may view the diamond.

FORBES: Feds to Sell Seized 43-Carat Fancy Yellow Diamond

You would have a menu of sound investment choices-mutual funds, government bonds, bank certificates of deposit-but you could not speculate in Siberian diamond mines.

FORBES: Fact and Comment

Born in Chicago, he bought into penny mining stocks and pitched them on the Vancouver Stock Exchange--until prospectors of his Diamond Fields Resources looking for diamonds in Voisey's Bay, Newfoundland happened upon a vast nickel deposit.

FORBES: The Promoter

The UK justice system apparently didn't buy Wiese's explanation that the money came from diamond deals in South Africa in the 80s and 90s, and had been kept in a safety deposit box in the Ritz hotel because of foreign exchange restrictions in his homeland.

FORBES: Christoffel Wiese's unusual baggage