Vargas diamond
The Vargas Diamond, discovered in Brazil on August 13, 1938 by Joaquim Venancio Tiago and Manoel Miguel Domingues, was when pulled out of the ground. Twenty-nine smaller diamonds were carved from the larger rough Vargas Diamond including the emerald cut diamond named "President Vargas", after the former Brazilian President, Getúlio Vargas.
The diamond has been in the possession of Harry Winston, a jeweler from New York.