It is unlikely that you would find electroplate on a valuable diamond.
We can electroplate most of the metals. The metals used in electroplating are steel, zinc, iron, etc.
it prevents rust by having moisure in the electroplate making rust being able to connect with the electroplate.
electroplate
Yes GE can be on rings. It stands for Gold Electroplate. If you see HGE it stands for Heavy Gold Electroplate.
electroplate
Gold electroplate
Yes, indeed.
Heavy Gold Electroplate
14karat gold electroplate
Perhaps it's 14KT GE which means 14 Karat Gold Electroplate or it could be 14K HGE which means 14 Karat Heavy Gold Electroplate
to make it look pretty!!! =)