1.   Here is a primer for purchasing a diamond.

2.   This site offers tips on wedding toasts, proposals, how to purchase a diamond and even how to plan that unforgettable bachelor party.

3.   Chopard purchases its diamonds on stock markets, mainly from Belgium, but some stone dealers also visit the company to present their diamonds.

4.   De Beers has buying offices in Congo which purchase diamonds other than those produced by MIBA.

5.   Kahana said during a court appearance that he purchased the diamond without knowing it had been stolen.