kugula diamondi
- Mawotchi ndi zodzikongoletsera
Njira zisanu zofunika zomwe International Gemological Institute ikulangizani kuti muzitsatira pogula diamondi ndi miyala yamtengo wapatali
Ogula ambiri a diamondi ndi miyala yamtengo wapatali padziko lonse lapansi akudziwa njira zinayi za diamondi: kudula, mtundu, kumveka bwino, ndi carat - koma osanyalanyaza muyezo…
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