Schematic of the belt push Inside the HPHT system, there are a few major push designs utilised to provide the pressure and temperature necessary to generate synthetic diamond: the belt push, the cubic press and the break up-sphere (BARS) push. Diamond seeds are put at the bottom with the push. https://labgrowndiamondenegagment80235.pages10.com/the-best-side-of-lab-grown-diamond-enegagment-ring-62905155