Gold and silver hallmarks are somewhat more universal. Gold purity is measured in karats with 24 karats representing the highest value. Gold jewelry marked "750" or "18k" indicates a blended ...

and platinum jewelry can be stamped or engraved with a number of small marks, usually placed in discreet places — like the ...

Platinum hallmarks are displayed differently in different countries. For instance, platinum jewelry in India is stamped with a Pt950 mark, which denotes 95% purity. Be sure to keep an eye out for ...

The Government of India has made it mandatory to sell hallmarked gold jewelry in around 256 districts of the country with at least one Assaying and Hallmark Centre. As a general rule of thumb ...