[1] It is believed that the Order honours Soraya Esfandiary-Bakhtiari, the second wife of the former Shah Mohammad Reza Pahlavi.

The name of the order refers to the Pleiades, a star cluster located in the constellation Taurus in the northern hemisphere.

The disc is topped by a stylized imperial Pahlavi Crown, enameled in different colors and enriched with carbuncles and brilliants.

The disc is topped by a stylized imperial Pahlavi Crown, enameled in different colors and enriched with carbuncles and brilliants.

The sash is made of a white coloured silk moiré ribbon, with dark blue stripes near the borders.