First of all, you can choose the dress made by the very talented crafters and costumers and sculptors. Such costumes may be very expensive but follow the latest fashion and the worksmanship is exquisite. And some of them even matched perfectly, you can choose a whole set of clothes to save your thinking of how to match them.
There is a third type that you make it yourself. This may be complicated to most people but there are still someone like DIY. And there, of course, will not have the same two costumes. It just follow the uniqueness.
These are three main types of how to get a gothic victorian dresses. The costumes made by the designers are perfect but expensive. To buy the costumes from shops or the online shops is most people’s choice. Or to do it yourself.