Divinetemples Certified Ek Mukhi Sacred Rudraksha Bead. Unique and Rarely Available In the Market. Available With Certificate From ISO Certified Research Center. One of the rarest of Rudraksh, the single faced rudraksha is also known as the king of all rudraksha. Formed in a half moon shape, this is one of the best things that can have on person at all times thanks to all the beneficial properties the bead has.