If you put a prism in front of the Sun, it reflects seven color spectrum along with two invisible infra-red & ultra-violet, which make it nine colors of the nine planets and present you the cosmic matrix of the energy system. These gemstones receive their correspondent radiation from the corresponding planet and allow a particular type of energy to pass through your body, through which you feel the self improvement. Stones absorb the cosmic energy from celestial bodies and use it on your body to provide the relevant help. Gems receive the cosmic energies of the planets in the form of color-coded frequencies through our solar system and infuse it into our body through a ring or pendant.
The quality and carat or ratti are important in wearing the same . However in most of the cases , every gem stone has a specific life and should be worn under an specific guidance of astrologer or guru. These stones work as an talismans for individuals and at times good luck charm also but its important to choose the good stone and should be worn after performing rituals or process as advised by the astrologer to get the desired result.