1.   Now General Electric have gone one better than nature and made a diamond purer than the best quality natural diamonds.

2.   At that point, Russia sold quantities of poorer quality diamonds directly into the market.

3.   Choosing colored stones is not as scientific a process as choosing a quality diamond, Dickinson says, because shades of color are subjective.

4.   Gem-quality diamonds are used solely for decoration, with poorer quality diamonds filling a variety of industrial needs.

5.   He refused to give a figure for the amount of leakage sales, but said they included both good and lesser quality diamonds.

6.   High quality alluvial diamonds are found all over the West African country.

7.   RTZ and its fellow Australian mining company BHP might seek to sell high quality diamonds from their Canadian mines outside CSO control.