Chicago Gem and Jewelry Evaluation Services, Inc.

Chicago, Illinois, USA

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Jewelry Appraiser - Heidi Harders
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About this Appraiser

Heidi Harders GG is a highly experienced Certified Appraiser and Gemologist who heads Chicago Gem and Jewelry Evaluation Services, Inc. an AGA Certified Gemological Laboratory, one of only a few in the country.

This company provides several options to enable you to receive one of their appraisals:

  • Appraiser's Office
  • Mobile Laboratory
  • Appraisal Events

Chicago Office: From her office in Chicago, Heidi offers a while you wait jewelry appraisal service on all types of jewelry, including antique, period and modern jewels as well as loose diamonds and gemstones, and watches. Jewelry is typically appraised in the presence of the owner, who will usually leave with their items and a detailed appraisal report.

Mobile Laboratory: A portable gem lab can be brought to your home, office, place of work or bank vault if an on-site appraisal is required. This allows clients to feel more comfortable in familiar surroundings or when items cannot be transported, either from a quantity perspective or restrictions relating to security.

Appraisal Events: Chicago Gem and Jewelry Evaluation Services also work with local trade professionals and provides appraisal event appointments at retail jewellers and galleries in Evanston, Lake Zurich, Mundelein, Oak Park, Schaumburg and Addison.

Whichever service you select, you can be assured of the same attention to detail and consumer-focused service.

Ms Harders is an elected member of the Board of Governors of the Accredited Gemologists Association, an organisation dedicated to jewelry-related consumer protection and trade education. Her knowledge and experience allows her to make valuable contributions as a Reviewer for 'Auction Market Resources' and Special Project Research Assistant for 'The Guide' gemstone and diamond market analysis publications.

Heidi is a Certified Senior member of the National Association of Jewelry Appraisers, a Certified Appraiser of International Society of Appraisers, a member of the Association of Independent Jewellery Valuers and a Accredited Senior Gemologist of the Accredited Gemologists Association.

For further information, please contact Heidi using the links at the top of this page.


The Business

  • Private Practice & Trade Appraiser
  • Business mix: Principally Appraisal
    Also Expert Witness & Court Work
  • Principal + 0 staff Appaisers
  • Mon-Wed,Fri, Sat: 9am to 4.30pm
  • Mobile lab, via jewelers & at Appraiser's office


  • Per-item & time-based fees
  • All major cards accepted
  • Full appraisal reports start at $95


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  • GG


  • AGA, GIA Alumni


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Chicago Jewelry Appraiser


Chicago Gem and Jewelry Evaluation Services, Inc.
29 East Madison Street
Suite 1615
IL 60602

  • Accessible
  • Chargeable, close-by
  • Visitors by appointment only
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