The one good thing when buying gold these days is that we have come a long way since the good old days, when it was very difficult to check purity and buy gold. Today, we can conduct checks before buying.
Also, it is important that you do not melt gold and make a new ornament, as you get very little value when you melt gold. If you are looking to buy gold do not forget to go for hallmarking. These days there are reports that even hallmarking of the precious metal can result in duplication. So, the best way out would be to buy gold from a reputed jeweler only.
At least, this way you can be rest assured on the purity of the gold. If you are buying gold online, remember there is always an element of risk, so you need to be careful. There is no mechanism, by which you can check the purity of gold online.
So, be careful. Credibility in this case is what matters the most to a user. So, go by past track record, which is important in this case. Before there was a high possibility of getting duped, but, that is no longer possible today.
If you are buying gold, which is not hallmarked and from a smaller jeweller it is best to conduct quick test and the acid test is a great way to do that. In case you are buying gold coins, there is a good option of buying them from the bank. They sell in tamper proof packaging and gold coins are also Swiss made.
All in all ensure that you are not duped and get the best value for your money. If you are buying gold from abroad remember there is a restriction on the amount of gold you can import.