Is DM real gold
yes
By getting it tested by a jeweller.
Yes it
Yes of course!!!
that means gold filled not real gold.
Sd14k necklace is gold?
The GA means the Georgia Gold while CA means the Californian Gold on the gold necklace.
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.
No that is not true at all.
'Yes, it is real gold
It is made of gold colored metal, not real gold.