Synthetic diamonds are not a Chinese invention but an American one. So if you want to point fingers, point them at GE, Norton & Carborundum[1]. As for who manu

Synthetic diamonds are not a Chinese invention but an American one. So if you want to point fingers, point them at GE, Norton & Carborundum[1]. As for who manufactures them there's a list[2], and most of these companies are not Chinese. But maybe the more important point is; Why is it a problem that the De Beers diamond mining company is having some competition. De Beers has a _very_ questionable business history[3], and personally I think the world would be better without their exploitation. [1] https://en.wikipedia.org/wiki/Synthetic_diamond#GE_diamond_project https://en.wikipedia.org/wiki/Synthetic_diamond#GE_diamond_p... [2] https://en.wikipedia.org/wiki/List_of_synthetic_diamond_manufacturers https://en.wikipedia.org/wiki/List_of_synthetic_diamond_manu... [3] https://en.wikipedia.org/wiki/De_Beers#Relocation_of_indigenous_San_people_in_Botswana https://en.wikipedia.org/wiki/De_Beers#Relocation_of_indigen...