No, at least not anymore. Portuguese spelling has been through some changes.... http://en.m.wikipedia.org/wiki/Reforms_of_Portuguese_orthography -- for me, it has been bad changes :( http://www.telegraph.co.uk/expat/expatnews/7344925/Spelling-reform-causes-Portuguese-headaches.html
Bah, I hate the Portuguese spelling reform!!It makes no sense at all, at least for us PT-PT. It would be like saying to everyone in the UK: Ok, now you have to forget the right way of writting (British english)! And start writing in US english! Why, you ask? Well, because we, the government, want you to!
I'm Portuguese, and I still write using the "old" spelling! just like many other people do! And I forever will! Because there is enough room for PT-BR and PT-PT, just like for EN-UK and EN-US. And the differences are justifiable!
Summing up, for me "jóias" is the correct spelling!