The monumental Arch of entrance portal, which by Timur's idea had to repeat the Milky Way, did not bear a test of the time, and crashed down in first years after construction.

One can see there elements of mural incrustation, decorative marble panels, stucco decorations and mural painting. Especially glazed ceramics can be found here in all of its forms such as the turquoise large main dome, the geometric mosaic of large wall surfaces, the multicolored ceramic to the frames of the arches and the ribs of the side domes; the delicate mosaic of countless interwoven by arabesques, elegant Thuluth font frieze on the cobalt blue and ornate gold faience on the drum under the great dome.