Schematic of a belt press Within the HPHT approach, you will find 3 principal push types applied to produce the tension and temperature necessary to create synthetic diamond: the belt press, the cubic press and also the split-sphere (BARS) press. Diamond seeds are put at The underside on the press. https://lab-grown-diamond-enegagm40257.full-design.com/not-known-factual-statements-about-lab-grown-diamond-earring-69996451