I've seen the giant albino gourami before as I bought my girlfriend one, and they are a silver white colour. This girl use to be a light gold colour, but with the Hikari food, crickets and vegetables she became a bright golden colour. I bought her as a giant golden gourami and that is probably why she is that gold colour. The research I've done on them is that they will outgrow that golden colour after a few years. She grew in the 4 weeks I've got her already 2inch(5cm).
I am busy to get her new tank build where is going to stay with my 2 oscars and 2 plecos. She is currently staying alone as my 13.5inch oscars will eat her for a snack.
The big pleco is currently 18inch(46cm)