A karat, when used with gold, is a unit of purity-- 24-karat gold is pure gold, but usually you mix gold with a metal like copper or silver to make jewellery (because pure gold is too soft).Each karat indicates 1/24th of the whole. So if a piece of jewellery is made of metal that is 18 parts gold and 6 parts copper, .
Most of us visit our local jewellery shop to buy gold jewellery and ornaments. One can now even buy gold jewellery online as well. But how do you check if the gold that you have purchased is pure or not? For this, the Bureau of Indian Standards (BIS), a government body,certifies the purity of gold bought by you.
Indians have a tradition of buying gold in the form of jewellery, coins etc. especially around Akshaya Tritya, Dhanteras and Diwali.
Buying gold 24 carat Gold coins bars is relatively easier as compared to jewellery.