Antwerp and diamonds: two concepts that have been closely related for over 500 years. Antwerp’s diamond district is located close to the Central Station and contained within an area of one square mile. Antwerp handles more than 80% of the world’s rough diamonds. Among the city's many other attractions is Diamondland where visitors can see diamond polishers, setters and goldsmiths at work. Free daily tours at 11:00 am.