Buy a lehsuniya stone for healing qualities with Ketu’s energy. Get a lab-certified gemstone in premium quality at the best price. Cats Eye is a precious gemstone, also known as Lehsunia or Vaidurya helps in negating the malefic effects of Ketu. Lehsunia stone protects the wearer from the evil eye, enhances good luck, mental clarity, and emotional balance. Natural Cat’s eye stone is famous for its chatoyant look, which resembles the eye of the cat.