The best way to determine the purity of the jewellery is to use a BIS-certified hallmark stamp. This means that if you buy 18K gold, 18 of the 24 parts will be pure gold and the rest will be a 50: ...
What is Hallmark Gold in Solapur? The Bureau of Indian Standards, or BIS, has a standard for gold certification. Hallmark is the name given to this type of certification. Is keeping gold jewellery ...
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