When planning to leave Iran, it is worth while noting the following customs and excise regulations”
Each passenger leaving Iran is permitted to take Persian handicrafts, if they are not considered antique or genuine, as stated in website of Iran Customs Administration (IRICA).
The quantity of the goods should be less than what is generally considered for commercial purposes.
Export of all antiques such as gems, coins, and handwritten manuscripts is prohibited. Kilims and carpets must not be bigger than 20 square meters in total; there is no limitation in the number of the carpets. Exquisite rugs of heritage-related values are of course forbidden.
Those heading for holy shrines in Iraq, Syria, and Saudi Arabia cannot carry rugs, pistachio, dried nuts and saffron.
The outgoing passenger can take jewelleries, including necklace, rings, wristlet, earrings, watch, etc, if total weight of the gold is less than 150 g.
To take out musical instruments, a permit is required from the ministry of culture and Islamic guidance.
Foreign residents, who have officially been working or studying in Iran, are free to take the furniture, and appliances of their Iranian residence when ending their stay.