Heh. This is cool. Arms racing between De Beers and The Diamond Makers.
The best reading IMO is this transcript of an interview with both synthetic diamond makers and De Beers reps.
So, a question for the ladies: would you prefer the symbolic two-carat romance of a unique natural artifact that took nature millions or billions of years to produce (and has cost your man thousands of dollars), or a grown-last-Wednesday four-carat symbol of durability and the triumph of technology over the need to wrench rocks out of the ground with eco-unfriendly mining (and that might eventually be as cheap, when mass-produced, as quartz)?