Since 1959, Riddle’s Jewelry has been a family-owned business, growing to 65 stores across nine Midwest states. At our Rapid City, South Dakota headquarters, our thriving factory produces exclusive jewelry designs and our signature Noventa diamond. We proudly believe that USA-made products remain the backbone of our strong country! With decades of dedicated customer service, the Riddle’s name has become... Read More about Riddle's Jewelry - Great Falls