you could try some gold leaf, I was just reading in popular science about how to apply that stuff, it might work...
http://www.popsci.com/popsci/how2/ar...057166,00.html
:edit: but seriously, if you want that brand I would email them and ask if they make one that size and where to get it, otherwise you could get one the size you want and find someone to powdercoat it gold, that would work pretty well, I would think it would be pretty cheap.