The Diamonds Suck website is the perfect antitode to the news that the Diamond industry has successfully halted the plunge in the fundamentally worthless stones' retail price.
Depends on the tooling you're going for. Synthetic diamonds are great for creating abrasives, which makes up the majority of industrial diamond tools.
But for a lot of machining where you need a large cutting head, industrial diamonds are a little too small. I think most synthetic diamonds are less than a millimeter in diameter. They can be made larger, but they take a long time and aren't very cost effective.
The vast majority of diamonds mined are industrial grade, especially the larger ones. So you end up using a bit of both depending on your application.
the ones in tools are man made and they're a lot cheaper to buy
Depends on the tooling you're going for. Synthetic diamonds are great for creating abrasives, which makes up the majority of industrial diamond tools.
But for a lot of machining where you need a large cutting head, industrial diamonds are a little too small. I think most synthetic diamonds are less than a millimeter in diameter. They can be made larger, but they take a long time and aren't very cost effective.
The vast majority of diamonds mined are industrial grade, especially the larger ones. So you end up using a bit of both depending on your application.