Custom wedding gown designers

KJM • Hospitality Industry Professional, Mom of One, Still Figuring Out Life

So this is a far fetch but i live in Southern California & i'm looking for a designer in/around the Los Angeles area that specializes in custom & or couture gowns. I have a photo for what i would like but have a few requests id like to make to change the style. Looking for experience & quality materials etc. time isnt an issue. Any ideas of who i should research?