ukuthenga amadayimane
- Amawashi nobucwebe
Izinyathelo ezi-5 ezibalulekile i-International Gemological Institute eyeluleka ukuthi uzilandele lapho uthenga amadayimane namatshe ayigugu
Iningi labathengi bedayimane namatshe ayigugu emhlabeni wonke bayazazi izindinganiso ezine zekhwalithi zamadayimane: ukusika, umbala, ukucaca, ne-carat - kodwa abalinaki izinga...
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