I've also ordered from Wonderland0559. I think she imports dresses from Vietnam? Anyway she is really flexible and will even sell the dress plain or make changes if you buy the custom dresses. They hold up well. I have resold dresses and have seen one dress so far on 5 different girls. She does them fully lined - makes a nicer looking garment than those that are unlined. They are not expensive crystals, but the are sparkly.
I would PM Dragonlady on here. She makes them for a living and knows her stuff. Manages this business out of Ontario, Canada.
I'm sure she can give you a custom job at a reasonable price.
Don't think her website is live right now as it's going through a redesign.
Hope that helps!