Ezé nke nwere ọnụ ọnụ diamond nwere nha triangular, oyi akwa diamond polycrystalline nwere mkpọda atọ, etiti nke elu bụ elu conical, polycrystalline diamond oyi akwa nwere ọtụtụ akụkụ mbepụ, na akụkụ mbepụ akụkụ na-ejikọ nke ọma na etiti oge. E jiri ya tụnyere cone nke a na-emekarị, usoro pyramid ahụ nwere ezé mejupụtara ezé nwere nkọ ma na-adịgide adịgide, nke na-eme ka ọ dịkwuo mfe iri nri n'ime nhazi nkume, na-ebelata nguzogide nke ịcha ezé na-aga n'ihu, ma na-eme ka nkume na-agbaji arụmọrụ nke ọma. mpempe akwụkwọ mejupụtara diamond.