29 East Madison St., Suite 1615, Chicago, IL 60602
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Phone: 312-578-0440 Fax: 312-578-0477

Chicago Gem & Jewelry Evaluation Services

Welcome to Chicago Gem & Jewelry Evaluation Services

about us

Heidi A. Harders, Professional Profile

PROFESSIONAL EDUCATION AND DESIGNATIONS:

AGA Certified Gemological Laboratory April 2013

International Society of Appraisers (ISA)

Certified Member(ISA CAPP 3-97)Re-qualified and /tested September 2002, June 2007, October 2012, March 2017

This designation was achieved through successful completion and testing of the ISA's Appraisal Principles Core Courses of the Certified Appraiser of Personal Property Program(CAPP). ISA/CAPP Core Courses 101-103 includes; (101) ethical conduct and procedures; communication and business practices; (102) terminology; identification and authentication procedures; market and price research and methodology; preliminary and limited appraisal report writing; (103) narrative report writing and the principles of appraising for Federal Tax Functions and the legal aspects of appraising. (203) Antique and Period Jewelry & Gemstone Course. Expert Witness Course for trials (301).

Gemological Institute of America (GIA) Graduate Gemologist (GG 7-89) Certificate Holder in: Colored Stones

(8-88), Gem Identification (8-88), Diamonds (2-89), Diamond Grading (7- 89), Colored Stone Grading (4-89),

Pearls (4-89).  

University of Arizona (UA) Bachelor of Science in Business Administration (BSBA 12-82), graduated with distinction

EMPLOYMENT BACKGROUND AND PROFESSIONAL EXPERIENCE:

March 1996 - Present  

President of Chicago Gem & Jewelry Evaluation Services, Inc.

Responsibilities include Appraising, Gem Identification, consulting, and all other aspects of Business.

 December 1982 - October 1996

Vice-President of the Chicago Lapidary Company, Inc.

Responsibilities included Appraising, Gem Identification, Purchasing, Selling, and Management.

COLOR VISION AND HUE DISCRIMINATION:

Found to have Normal Color Vision with Superior Hue Discrimination in February 2017. Tested at the NAJA Conference in Tucson, Arizona.

PROFESSIONAL ORGANIZATIONS AND POSITIONS: 

Past President and Treasurer ISA Greater Chicago Chapter

Past President, Chicago Chapter International Society of Appraisers (ISA)

Past Chairman of the Gems and Jewelry Committee ISA National

Certified Member International Society of Appraisers (ISA CAPP)

Certified Senior Member, National Association of Jewelry Appraisers (NAJA)

Special Project Research Assistant for The Guide

Previewer for Auction Market Resources 

Member of GIA Mentor Program and NAJA Mentor Program

AGA Board of Governors, Chair of Educational Scholarship and Research Grant Committee

CONTINUING EDUCATION and EXPERIENCE: 

Fracture Filling of Gemstones, Enhanced Gemstones, Gemology Challenge, Detecting Treated Emerald, Ruby, and Sapphire, Advanced Diamond Clarity Grading, Identifying Challenging Synthetics. Participated in an Appraisal Cover Story with Allison Payne WGN News Chicago. Participated in CBS News Chicago Problem Solvers Program. Trial Experience Federal Government, GIA Gemological Update: Synthetic and Treated Gems, Gemology Instructor at the Field Museum of Chicago. Expert Gemologist/Appraiser on Jenny Jones Show, CBS 2 Investigates and FOX News, The Bottom Line. 

Heidi Harders, Certified Gemologist

Heidi Harders, Certified Gemologist