And finally, if budget constrains then you can go with range with price of Cat’s eye gemstone of Rs. 2,200 per carat. Chrysoberyl Cat’s Eye priced below Rs 2,200/ct should be avoided if possible. Sri Lankan or Ceylonese Cats Eye stone price per carat can be converted into Lasuniya stone price per Ratti by multiplying it by 0.9 (so, Rs 10,000/ct = Rs 9,000/ratti).