What has caused selling to be Haram and corrupted is not upon knowing that woman wear these gold and jewelries in the way of Haram, unless he/she intended the selling that those jewelries should be used in the way of Haram, only. However, it would be permissible and correct if it is not with the aforementioned intention.
Appendix:
The grand jurisprudent’s verdict in this regard is as follows:[1]
Office of Grand Ayatollah Khamenei (may Allah grant him long life):
There is no problem in this regard if selling has done with the intention of Halal profit.
Office of Grand Ayatollah Sistani (may Allah grant him long life):
It is not Haram to sell jewelry to these women.
Office of Grand Ayatollah Makarem Shirazi (may Allah grant him long life):
There is no problem according to the question.
Office of Grand Ayatollah Saafi Gulpaigani (may Allah grant him long life):
What has caused selling to be Haram and corrupted is not upon knowing that woman wear these gold and jewelries in the way of Haram, unless he/she intended the selling that those jewelries should be used in the way of Haram, only. However, it would be permissible and correct if it is not with the aforementioned intention.
Office of Grand Ayatollah Noori Hamadani (may Allah grant him long life):
There is no problem to sell jewelry to the mentioned persons in the question.
Assisting the sin does not apply to the seller if he/she has not decided the above-mentioned intention in his/her selling, yet.
An answer by Ayatollah Mahdi Hadavi Tehrani (may Allah grant him long life):
It is permissible to sell jewelry to these women. Therefore, their deed has no connection with your business.

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