It begins at St. Midas' School, where the protagonist agrees to visit his classmate Percy's home in the Montana Rockies, where he falls in love with Kismine, and learns the history of Braddock Washington.  
The protagonist concludes this work with the statement, "Everybody's youth is a dream, a form of chemical madness."  Perhaps the climax of this short story is an attempt to bribe God with a gem so huge that it requires two slaves to lift it.  It begins at St. Midas' School, where the protagonist agrees to visit his classmate Percy's home in the Montana Rockies, where he falls in love with Kismine, and learns the history of Braddock Washington.  Centering on John T. Unger, FTP, identify this short story by F. Scott Fitzgerald about the huge gemstone upon which the Washington Estate sits.
The protagonist concludes this work with the statement, "Everybody's youth is a dream, a form of chemical madness."  
The Diamond as Big as the Ritz