Schematic of the belt push In the HPHT technique, you can find 3 key push layouts used to produce the strain and temperature required to generate synthetic diamond: the belt push, the cubic push plus the break up-sphere (BARS) press. Diamond seeds are positioned at the bottom on the push. https://lab-grown-diamond-bracele09888.ampblogs.com/top-guidelines-of-lab-grown-diamond-earring-64116109