مناسك حج - مكارم شيرازى، ناصر - الصفحة ٧٥ - Acts that are Haraam in the State of Ihram
٥- Wearing ornaments
Article ١٠٩- It is not permitted that men wear ornamental rings but the rings, which are used for blessings, has no problems if they are ornamental. Therefore, the pilgrim should abstain from wearing ornamental rings, even if they are used for ornamental purposes or blessings.
Article ١١٠- Wearing ornaments is absolutely Haraam for a woman in the state of Ihram, but ornaments that she had been used before commonly can be worn in the state of Ihram if she hide them.
Article ١١١- Using henna is not permitted for men and women if is has ornamental purposes.
Article ١١٢- It is an obligatory precaution that Muhrim even man or woman, abstain from wearing any other kinds of ornament, even he/ she should not wear ornamented Ihram clothing of sandals and abstain from any kind of makeup and decoration fro the head, face or other parts of the body.