Idayimane elebhu (ekwaziwa ngokuba yidayimani ekhulisiweyo, idayimani elinyiweyo, idayimani ekhule kwilabhoratri, idayimane eyenziwe ilebhu) yidayimane eveliswe kwinkqubo eyenziweyo, ngokuchaseneyo nedayimane yendalo, edalwe yinkqubo yejoloji.
Idayimani elebhu ikwabizwa ngokubanzi njengedayimani ye-HPHT okanye idayimani ye-CVD emva kweendlela ezimbini eziqhelekileyo zokuvelisa (ibhekisa kubushushu obuphezulu kunye neendlela zokubunjwa komphunga wecrystal, ngokulandelelanayo).