Schematic of a belt push Inside the HPHT approach, there are three principal push styles used to supply the stress and temperature required to generate synthetic diamond: the belt push, the cubic press as well as break up-sphere (BARS) press. Diamond seeds are placed at the bottom from the push. https://claytonajrzk.thezenweb.com/the-best-side-of-lab-grown-diamond-enegagment-ring-65008238