Advice On Jewelry

I am planning my wedding, and need some good ideas for my wedding dress and thus I am collecting whatever ideas I am getting here. Before planning my dress I am planning on other things like the wedding accessories and wedding jewelry from http://www.weddingism.com
And, I am very excited as I have so many things going on in my mind, and I don`t know which one to give first priority.

Now some of my friends are telling me to buy jewelry that matches my wedding dress, but some are suggesting to buy contrast color accessories. So, I am in a total puzzle. Any suggestions?