Status: Member
Business Type: Trade Valuer and Valuer in Private Practice

Chicago Gem Evaluation Services was established in 1996 and offers the trade and private clients jewelry appraisal services in the office, in jewelry stores or at other private locations.

This Gem Lab provides appraisals for insurance, estates, divorces, bankruptcy, and charitable donations and offers expert witness and consultation services. This AGA Certified Gemological Laboratory undertakes gemstone identification, diamond grading as well as other gemological and jewelry appraisal services.

The business has been awarded a "Certified Gemological Laboratory" title by the Accredited Gemologists Association.

The business's principal, Heidi Harders, BSc GG, stands on the Board of Governors of the Accredited Gemologists Association and is past President / Chairman of several trade related bodies.

  • Gemological Institute of America (GIA) - Graduate Gemologist and Member of the GIA Mentor Program.
  • National Association of Jewelry Appraisers (NAJA) - Senior Member.
  • International Society of Appraisers (ISA CAPP) - Certified Member.
  • Special Project Research Assistant for "The Guide" Gemstone and Diamond Market Research Publication.
  • Previewer for Auction Market Resources


Heidi Harders, BSc GG
Chicago Gem and Jewelry Evaluation Services, Inc
29 East Madison St., Suite 1615
Chicago, IL 60602
United States of America
Telephone: 312-578-0440

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