Gemstones are auspicious stones having the major influence of a particular planet. Aparticular Gemstone helps to strengthen the influence of a particular planet which is very significant in one,s birth chart but it is couldn't deliver the same due to its own weakness. A vedic astrologer suggests the appropriate Gemstones for an individual based on his/ her birth chart. For seven existing planets there are seven Gemstones as Ruby, Pearl, Coral, Emerald, Yellow Sapphire, Diamond and Blue Sapphire.