Navratna is a consolidation of main 9 gemstones according to the vedic astrology. Navratna, hence posess great powers combining the effects of Sun, Moon, Mercury, Venus, Mars, Jupiter, Saturn, Rahu & Ketu.
Though, most of the modern age astrologers in India differ from the opinion that Navratna has got huge powers in astrological terms. But it is popular among the wearers since ancient times. It is believed to provide very high energy, abundance and satisfaction as it transfers all the positive energies related to the nine planets to its wearer.