Ja'far al-Sadiq said that seeing an earring in a dream is interpreted in four ways: adornment and increased knowledge; learning the Qur'an; honor and rank; and sorrow and grief because of divorce.
Seeing silver earrings in one's ears signifies memorizing the Qur'an.
Seeing pearls in each of the earrings also signifies memorizing the Qur'an and the religious sciences, and goodness and blessing. If a pregnant woman sees a silver earring in her ear, she will give birth to a boy.
Seeing an earring in the ear of one's wife or servant signifies trade, and the dreamer will profit from his work. As stated above, seeing pearl earrings in one's ears signifies beauty and wealth among the adornments of the world and memorizing the Qur'an with a beautiful voice.
Seeing an earring in a boy's ear signifies ornament and adornment. If an unmarried girl sees one of the earrings, it signifies her marriage.
Seeing an earring in the ear of a pregnant woman signifies that the child in her womb is male. If the earring is silver, the child will succeed in memorizing half of the Qur'an; if it is gold, he will memorize all of it. If the earring has no pearl, that child will sing songs aloud. Al-Nabulsi said that seeing earrings in the ears of boys who have reached puberty and adult men is not considered favorable, because wearing earrings is regarded as a defect for them and signifies something bad that will befall them or a deficiency of intellect.
Seeing an earring in one's own ear signifies loving to listen to beautiful and harmonious things.
Seeing many earrings in one's ears signifies memorizing the Qur'an and acquiring knowledge through which one will receive honor and esteem among people. Sometimes an earring signifies advice and fine counsel, as in the expression that a saying should remain 'an earring on one's ear,' meaning a lesson never to forget. For a woman, an earring signifies her husband, and its pendants signify her children.
Seeing earrings adorned with pendants in the ear of one's wife or servant signifies wealth, benefit, and goodness that will be obtained. For a man, an earring can also signify attaining very high levels of knowledge.