Diamant House, Cultural monument in New Town, Prague, Czech Republic.
Diamant House is a residential building in Cubist style designed by Emil Králíček and Matěj Blecha. Its facade displays sharp angular shapes and crystalline forms that reflect mathematical precision.
The building was completed in 1913 when Cubism emerged in Prague and architects were exploring new artistic directions. It demonstrates how this European movement took root in Czech architecture.
The house takes its name from facades said to resemble the facets of a diamond. Inside, in the corridor and on the stairway to the flats, Cubist fittings survive: chandeliers, lamps, stair railings, doors and etched window panes. Today it holds a UniCredit Bank branch and the Mánes artists' association gallery.
The building sits at the corner of Lazarská and Spálená streets and is easy to reach on foot. A passage connects it to Holy Trinity Church, making it simple to explore the surrounding neighborhood.
The Baroque statue of Saint John of Nepomuk from 1717, probably by Michal Jan Josef Brokoff, stands at the boundary between the house and the neighbouring Holy Trinity Church. In 1913 Emil Králíček framed it in a Cubist arch, a link between the modern building and the Baroque church that the Club for Old Prague opposed at the time.
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