While this may look like a woman's tiara, it is actually a decoration which Fathali Shah often wore on a tall black woolskin hat. It can be clearly seen on a number of minature paintings of Fathali Shah, usually holding two white egret feathers.

The gem stones on this item consist of spinels, rubies, and diamonds, mounted on gold with a silver frame. Total height: 13.5 cm. The largest diamond is 10 cts., the largest spinel is 50 cts.

 The Nader Aigrette - Diamonds and emeralds Weighing 781 carats in all, and standing 13 cm high (Approx. 6") And was worn by Nader shah (1688-1747 A.D.) on the front of his Persian-style hat.