Star Wars lightsaber expected to fetch up to 3m A Star Wars lightsaber used by Darth Vader (David Prowse) could fetch up to $3 million at auction. 2 September 2025 Darth Vader's lightsaber could fetch up to $3 million at auction. David Prowse as Darth Vader The iconic Star Wars weapon - which was used by actor David Proswe and his stunt double Bob Anderson in famous fight scenes in The Empire Strikes Back and Return of the Jedi - is going on sale later this week, and with Propstore.com previously selling an X-Wing Fighter model for $2.