Yes. The yellow gold necklace it is mixture with red copper alloy and yellow bronze alloy, from 22k thru 10k.
A gold necklace-
9999 gold necklace with a 9999 gold cross price tag
14K GE on a gold necklace means that it is 58.5% gold that is gold electroplating.
A 14kt gold necklace is worth about $70-$500 at the most!!!
It could indicate KaraT Plated, meaning that the necklace is gold plated.
I have a gold necklace stamped 926 italy, is this real gold or silver?
24karat gold - pure gold
The GA means the Georgia Gold while CA means the Californian Gold on the gold necklace.
i am not sure but i think that it is a pure substance because it is just made of gold which we get from the mines underground.i hope it would be righti hope u understand what i want to say