Cats Eye Gemstone for Spiritual Enlightenment: The mystical planet Ketu brings in varied life experiences that often bring pain, misery and stress. Wearing cats eye gemstone can help cope with such more often than not experience, bringing peace and harmony. It helps a person isolate from materialistic attachments, attaining spiritual enlightenment. The energies of Ketu can aid in spiritual advancement, especially if you are an evangelist or religious seeker.