Short answer: Yes.
Longer answer: In Shi'i fiqh, there is no prohibition on it.
However, if someone is genuinely concerned about the evil eye, hadith recommend deflecting it via the Qur'an and du'a, and do not specifically prescribe the types of things culturally associated with the evil eye (like blue ornaments).
I am not intending to advance a view as to whether or not there is actually any merit in hanging up evil eye ornaments, since, in my view, if something has been done cross-culturally for thousands of years, it might have some wisdom behind it. Or, it also might not. (Certainly, evil eye ornaments are a good method of social signalling telling nosy and intrusive people to back off!)
However, what I am saying is that it is not specifically prescribed in the Qur'an or hadith and therefore is a cultural rather than an Islamic scriptural practice.
If someone is just using these things for decoration or the aesthetic value, none of the above is relevant anyway.
Some Sunni scholars are currently opposed to the evil eye ornaments on the grounds that it might be shirk, or because they consider it a false belief that people are doing because they think it is true, for other reasons.
So one can choose whatever view is most suitable for them.
Muslim woman is not allowed to wear and show any jewelry in front of non Mahram men, including necklaces, bracelets, rings etc.
This is all going to be circumstantial, because a female could be wearing a ring, and it could be attracting the gaze of the non-mahram, and it could not.
The outer hijab of a woman is covering up herself, with the exemption of her face, and her hands up to her wrist. Everything else should be covered.
If she is wearing any jewellery, and that jewellery is on top of her hijab clothing, or on her hand, like a ring, then it could be either halal to show, or haram.
It would depend on whether the piece of jewellery is attracting the gaze of a non-mahram, or resulting in lustful looks, or solely considered as 'zeenah'. In this case it would be haram for her to reveal.
If a woman is wearing a necklace on top of her hijab, or a brooch, a ring, a bracelet, etc, and it is not attracting the gaze of a non-mahram man, then she can wear it.
A woman might not be intending it to bring notice of a non-mahram, but it would still be considered haram if it is bringing notice, as it would be considered as zeenah.
And Allah knows best.
1. Islamic amulets must be authentic , means taken from Quran and the Prophet (SAWA) and Ahlul Bayt (AS). With out authenticity confirmed by trusted qualifies scholars, we can not call any amulet as Islamic amulet. Some people make their own fabricated amulets and claim it Islamic. Muslims need to be careful.
2. No doubt that having authentic Islamic amulets either by wearing or carrying or keeping at home or place of work is very useful and beneficial. Quranic verses tell us how the amulets are useful. The dress of Prophet Yousuf (AS), the remaining items from Aal Musa and Aal Haroon, the recitations of Jesus on the dead reviving him and on the seriously incurable illnesses resulting in cure, are just few examples.
3. Carrying Du'a Jawshan as a necklace is very useful as well as reading it.
Reciting the Du'a with sincere heart and attention has great benefits.
Yes it is permissible to wear a necklace with Zulfiqar provided that it should not be shown to non Mahram men if you are a female, and if it has on it the name of Allah or any of the Infallible , you should not let that writing touch your body when you are with out Wudhu.
Man is not allowed to wear women dress or items, as woman is also not allowed to wear dress or items of men.
It is not enough that his intention is not intimate women, but the society should not see him as wearing or looking like a woman.
Men are allowed to wear silver but them must avoid wearing what is understood in their society as dress of women.