It is likely the outer dome was originally conical in shape, typical for tomb towers in the region from the same period.

[3] The Lajim Tower inscriptions represent the first known use of the word "qubba" referring to the domed structure of the building, demonstrating the architectural influence of Islam in the region.

[1] The tower was an important monument that drew the attention of North Iranian rulers who valued pre-Islamic art and script.

[2] After restorations, the tower is now a pilgrimage site for residents of the Lajim village and surrounding rural areas of Savadkuh.

The ornately carved inscriptions under the dome make this brick structure an artistically significant example of ancient Iranian architecture and design.