Although these suppliers don't match your search for Ladies' Formal Wear in London, they are within approximately 40 miles and could still be of interest.
Ladies' & girls' formal wear, Ladies' Formal Wear, Chelmsford, Essex
For almost 25 years, Lido have been sourcing beautiful pearls to use in their extensive range that features earrings, necklaces, pendants, rings and brooches. (Ladies' Formal Wear in London)