Natural Peridot Gemstone Color ranges from Yellowish Green to Olive Green to bright deep Green. Peridot is highly appreciated for its very unique Color which is not seen in any other gemstone. Peridot is an astrological substitute of Emerald in Indian Vedic astrology. Peridot is Birthstone of August month as per western astrology. Peridot is believed to bring Intelligence, Harmony and Prosperity to the wearer.