4 Assorted Mensa rings with text Mensa Store Jewelry Herff Jones The Mensa Store has partnered with Herff Jones to provide our members with high quality jewelry. PLEASE COMPLETE YOUR PURCHASE WITH MENSA STORE BEFORE PROCEEDING TO THE HERFF JONES, MENSA STORE SITE.  *Mensa Store coupon codes and specials are NOT VALID  with Herff Jones jewelry orders.