Among auspicious gemstones YELLOW SAPPHIRE (Peeta Pukhraj) will be favourable for you. You may take 5 to 7 Rattis of Yellow Sapphire in a ring of Gold which should be worn on right hand index finger on a Thursday. Cheaper substitute of Yellow Sapphire is Topaz (Sunhela) which may be taken instead in a ring of Gold. While wearing the gemstone reciting the following 'Mantra' will be auspicious: Devanam cha Rishinam cha Gurum Kanchana Sannibham Buddhibhutam Trilokesham tam namami Brihaspatim. 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.