Victoria Grayson (Madeleine Stowe) wore this silk satin dress with contrast Chantilly lace overlay in an episode of Revenge.

It is the Vera Wang Chantilly Lace Shift Dress.  It was available HERE but it is now sold out.

All outfits from Revenge
Other Outfits from Revenge: Season 3 Episode 12
Victoria’s Other Outfits