The off-shoulder black silk evening dress by Christina Stambolian could fetch close to US$300,000 when it goes under the hammer in New York.

Princess Diana's "revenge dress," which she wore to a Serpentine Gallery fundraiser in 1994, will be auctioned by Sotheby's New York on Dec. 9.

Worn by Diana, Princess of Wales to an event at London 's Serpentine Gallery in June 1994, her little black dress didn't merely set a trend - it inspired a whole genre.

The dress is estimated to sell for between £110,000 and £220,000

Its estimated worth? Somewhere between $150,000 and $300,000.