There seem to be numerous dress variations: red, yellow, pink and black. The doll represents the character as drawn in the manga, as she was released before the anime debut.
You can read the review here.
There are two versions of this Korean set.
Palace of Versailles intended for 30cm Versailles no Bara Oscar and Marie Antoinette by Asahi Toys.
Информационый портал о куклах DollPlanet.ru
Онлайн-энциклопедия современной кукольной культуры.