Aquaman talking about a diamond from Mandalay. Mandalay was a city located in the country of Myanmar. One of the most valuable diamonds in the world; the Mandalay diamond, was from this city. References ↑ As seen in the Superfriends season 1 episode The Planet-Splitter (1973). ↑ As seen in The Planet-Splitter (1973). External Links Mandalay at Wikipedia Retrieved from "https://superfriends.fandom.com/wiki/Mandalay?oldid=64955" Categories: Locations Real locations Cities Community content is available under CC-BY-SA unless otherwise noted.