How to Make a Real Diamond - (Not Clickbait)

Summary by Krater

The video tours US Synthetic, one of the world's largest industrial diamond manufacturing facilities, to show how they manufacture polycrystalline black diamonds using a massive cubic press and a salt-and-talk heater.

From the video

Answers: How are industrial synthetic black diamonds made?

• industrial diamond manufacturing
• polycrystalline black diamonds
• synthetic diamond pressing
• high pressure high temperature press
• diamond tip 3D printer nozzles

What it concludes

• About 99 percent of diamonds purchased every year are synthetic industrial diamonds used for drilling and friction-less bearings.
• Industrial diamonds are manufactured by placing diamond powder and a cobalt-cemented tungsten carbide substrate under high pressure and temperature inside a cubic press.
• Replacing normal 3D printer nozzles with solid black diamond nozzles makes the hot end virtually invincible to abrasive filaments.
• The toughness of the newly produced synthetic black diamond exceeds that of a natural single-crystal clear diamond.