U-C wesibini umele umbala.Kwaye kufuneka ube nokuqonda xa ukhetha indoda yakho eyenziwe idayimani.Unokucinga ukuba ibhekisa kwimibala efana nebomvu, i-orenji, kunye nohlaza.Oku, nangona kunjalo, akunjalo.
Ilabhu eyenziwe ngombala wedayimani kukungabikho kombala okhoyo kwigem!
Amatye anqabileyo asebenzisa isikali sika-D ukuya ku-Z, esenziwe yi-International Gemological Institute (IGI), ukufaka imibala kwidayimani yelebhu yebakala.
Yicinge njengo D - E - F - G de ufikelele kunobumba uZ.
D - E - F Iidayimani ngamatye anqabileyo angenambala.
I-G - H - I - J ziphantse zamatye anqabileyo angenambala.
K - L zizinto ezinqabileyo ezinemibala.
N - R ngamatye anqabileyo ane-tint enemibala ebonakalayo.
I-S - Z zizinto ezinqabileyo ezine-tint enemibala eyaziwayo.
