Schematic of the belt press Within the HPHT strategy, you can find a few main push layouts used to provide the stress and temperature needed to make synthetic diamond: the belt press, the cubic press as well as the split-sphere (BARS) push. Diamond seeds are positioned at the bottom from https://deanrldum.onesmablog.com/little-known-facts-about-lab-grown-diamonds-are-the-future-67402723