Mandalay diamond The Mandalay diamond was a diamond from Mandalay that, according to Aquaman was stolen from the cruise ship Lorelei. It is later learned that it was stolen by Doctor Lucius LeBon. Appearance Super Friends (TV Series) Season 1: The Planet-Splitter (1973) References ↑ As seen in The Planet-Splitter (1973). ↑ As seen in The Planet-Splitter (1973). Retrieved from "https://superfriends.fandom.com/wiki/Mandalay_diamond?oldid=64959" Categories: Items Minerals Community content is available under CC-BY-SA unless otherwise noted.