a division of the International School of Gemology
Registered Gemologist and Registered Gemologist Appraiser Directory
Wisconsin
The following gemologists have successfully completed the ISG Registered Gemologist and Registered Gemologist Appraiser programs, and passed the required examinations to be listed in this directory. These professional gemologists maintain their status with an annual re-certification exam and continued awareness of the latest events in the world of gemstones and gemology.
William J. Schrank, Registered Gemologist
520 Pleasant Ave.
Waupun, WI 53963