First of all, the color of gold:
According to the folk experience of "seven greens, eight yellows, nine five reds", the fading of gold color was observed. Judge color and authenticity;
Second, look at the target:
Generally, gold ornaments are engraved with the name of the manufacturer and the fineness (K) of gold. If the trademark is correct and the handwriting is clear, its color is basically clear; If there is no seal, you can test the remade gold ornaments on the touchstone.
Third, weigh the weight.
The proportion of gold is second only to platinum. Real gold should feel heavy in your hand, while fake gold feels more comfortable.
Fourth, try to feel:
You can usually weigh yourself.