Harry Oppenheimer house

The Harry Oppenheimer house was constructed for the sorting of all diamonds mined by De Beers in Southern Africa.
Since diamonds are best sorted by gentle natural light, the building has windows only on the south side to allow optimum indirect natural light conditions.

Building Type: High Rise

Structural Material: Concrete

Foundation System: Pile Foundation

Architectural Style: Moderism

Height: 52.92 meters

Floors: 14 above ground.

Completed in: 1973

Architecths: Hentrich & Partners subsequently renamed Hentrich Bergs & Associates

Main Usage: Diamond sorting and commercial offices.
http://www.kimberley.co.za/city/the-harry-oppenheimer-house/