Electrical-One-2270 t1_iz3kkir wrote
Reply to comment by katarh in Scientists have analyzed the specific labor costs for producing a 1 carat diamond in mines and through artificial synthesis. The work of human turned out to be more effective: 26 minutes versus 2-3.5 hours. by Skoltech_
It says one carat, not 3000. That's a nomal size found in jewellery.
katarh t1_iz4lvzm wrote
The article also admits that the industrial diamonds are a heck of a lot faster to make during the processes, and the 2-3 hours per caret for lab grown is specifically for gem quality stones intended to compete with gem quality mined diamonds.
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