Kamal al-Molk mausoleum is designed by Houshang Seyhun with a harmonious combination of traditional and modern architecture in which, geometry, has a basic role and deeply connected to the Iranian architectural system.
The plan of the building has been constituted of two squares. One of them is equal to the half of the other. There is an arc on the facade of each side of the square. Four sides of the rectangular building, is totally composed of six semicircular arches.
The diameters of each square from the inside constitute two other intersecting arcs. Thus, totally ten arches have been constructed in this building. The connecting space of the arcs and their coverage on top of the tomb are created geometric shapes like cone-shape decorations in this tomb with exquisite mosaic tiles in cobalt-blue, white and other colors their stencils used on curved surfaces of the facades, and they become smaller toward the symmetry line.
The facade of Kamal al-Molk mausoleum, its decorative tiles and colors are highly coordinated with the Attar mausoleum located beside it. Materials used in the construction of the tomb are concrete, stone and tile. The grave stone of Kamal al-Molk is the integrated granite. At the top of the gravestone a relief of Kamal al-Molk carved by his pupils.