system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why didn't the DeBeers campaign to raise prices and artificially restrict supply of precious gems lead to antitrust lawsuits?
gpt
It most certainly would have if DeBeers operated in the United States, but they have no operations officially on US soil. In this way they can control the global market, and if retailers, even ones in the US, want diamonds they have to buy from them anyway.