Macy's on Herald Square has one of the best costume jewelry lines in New York. They have this whole wing dedicated to from 1920's collection to Juicy Couture. I'll admit some of the prices are kind of high which is why I wait for the new inventory to come in. That's when they get try to get rid of the old stuff by putting it in these bins and mark everything half off. You can score some really great finds this way.