The cat’s eye gemstone is quite an intriguing gem. … According to Vedic astrology, Cat’s eye Chrysoberyl also known as lehsunia or vaidurya is the gemstone of Planet Ketu or South Node of the Moon. It is a gemstone with intense planetary energies and shows effects quite fast. at’s eye gemstone is a crucial gem in the family of all precious gemstones. It is associated with the coercive and vengeful planet Ketu.