Schematic of a belt press Within the HPHT system, there are actually a few main push types applied to supply the force and temperature needed to produce artificial diamond: the belt press, the cubic press along with the break up-sphere (BARS) press. Diamond seeds are placed at The underside of https://labgrowndiamondjewelry99876.ampedpages.com/the-definitive-guide-to-lab-grown-diamond-ring-54655097