HGE - USUALLY MEANS HEAVY GOLD ELECTROPLATE
ARE YOU POSITIVE THOSE ARE THE LETTERS ?
USUALLY SEE 10,12,14K ELECTOPLATE - 18K IS LITTLE OUT OF THE ORDINARY - UNLESS ITS SOMETHING QVC OR HSN IS PUSHING
PIC A LITTLE BLURRED - BUT LOOKS LIKE A 18K WHITE GOLD BAND - HAVE A JEWELER LOOK AT IT