He is lauded as the greatest gem collector of modern times .
Alexandre Reza ( November 1 , 1922 -- January 15 , 2016 ) was a Paris - based jeweler known for his diverse and rare collection of precious gems .
Alexandre Reza is lauded as the greatest gem collector of modern times .
Alexandre Reza ( November 1 , 1922 -- January 15 , 2016 ) was a Paris - based jeweler known for his diverse and rare collection of precious gems .