Among auspicious gemstones BLUE SAPPHIRE (Neelam) will be favorable for you. You may take 4 to 7 Rattis of Blue Sapphire (Neelam) in a ring of Gold which should be worn on right hand middle finger on a Saturday. Cheaper substitutes of Blue Sapphire are Amethyst or Laajvart which might be taken instead in a ring of Gold or Pancha Dhatu alloy or Steel. While wearing the gemstone reciting the following 'Mantra' will be auspicious: Nilanjanam Samabhasam Raviputra Yamagrajam Chhaya Maanda Sambhutam tam Namami Shanaishcharam. The weights of gemstones recommended above are for adult male people. For adult females the weights should be reduced to 3/4 to 1/2 part while for the children the weights should be reduced to 1/2 to 1/3 part.