Hallmark CG..

[Blossy]

I've been sucked into eBay... Does anybody know what a hallmark "CG" represents? Is it a brand? The seller says the earrings are gold but I guess I'm unsure.

 

[Candice0985]

is it like this?
http://www.silvercollection.it/englishsilvermarksXCDUE.html
a quick search turned up silver hallmarks.