Panna Stone, also popularly known as Budh Ratna in Indian Vedic Astrology, is a highly auspicious stone worn to attain good health and mental peace in life. This supernatural green gem holds high value in Vedic astrology. According to astrologers, Budh Ratna or Panna Stone or Emerald belongs to the planet Mercury or Budh Grah and is used to gain wisdom, confidence, and the right path in an individual’s life. Little finger is said to be the Emerald Stone Finger. So if you want to avail maximum astrological benefits, make sure to wear it in the little finger of the right or (dominant (working) hand on Wednesday. Check out the detailed procedure of wearing this tone in How To Wear Emerald.