You can tell if you have a real gold necklace by checking its hardness, luster, specific gravity, streak, cleavage, and fracture, if all the properties match with the properties of gold you have a gold necklace.
We tell real gold by its weight.
It means it is a 14k gold necklace.
no
it means gold plated
it means karot9 as in 24 karot gold
It means it is 14 k gold.
The hallmark 925 designates 92.5% silver in the total metal, not the gold. And worth can be determined upon the weight of the 925 silver neckless.
no
925 gold neckless how much is it worth
by pooing on it
ask a gold smith
You can tell by looking at the claps . It should have it engraved.