Arwen's Mourning Gown Costume
Includes: Long dark blue or black velvet dress with bell sleeves, a red sash, trim at neckline and sleeves, and center front buttons.
Cost dependent on materials chosen, from acetate velvet to silk velvet and a variety of available trims. Can also add a matching veil if desired.
Cost: $350 plus materials
Click here for a detailed description of how I made this costume and more photos.
References:
Photos from books and the Internet
LotR Costumes at Alley Cat Scratch