Ma diamondi opangidwa ndi hpht lab, omwe nthawi zambiri amatchedwa labu, opangidwa ndi anthu, kapena ma diamondi opangidwa, amapangidwa m'malo a labotale omwe amatsanzira momwe diamondi imakulira - kokha, zomwe zimatenga nthawi yocheperako (mwachitsanzo, zaka 3 biliyoni zocheperako. , perekani kapena tenga) ndi mtengo wochepa.
Ma diamondi okulirapo a hpht lab ndi 100% diamondi zenizeni, ndipo ali optical, mankhwala komanso thupi ofanana ndi mwachilengedwe, diamondi migodi.Kufunika kwa ma diamondi okulirapo a hpht lab kwakwera kwambiri m'zaka zaposachedwa, popeza njira zaukadaulo ndiukadaulo zakhala zikuyenda bwino kuti apange diamondi zomwe, mwa akaunti zonse, zokongola, zachuma, diamondi zenizeni.