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Gemworld International, Inc.

Independent Appraisers to the Consumer

2640 Patriot Blvd, Suite 240
Glenview, IL 60026
phone: 847.657.0555 x 205
fax: 847.657.0550
email: appraisals@gemguide.com

Hours: By Appointment Only Monday through Friday, 9am to 5pm.

About Gemworld: Founded in 1982, Gemworld, is the gem industry's premier source for current, as well as historical, gemstone and diamond pricing and market trends information. As the publishers of the internationally recognized wholesale price publication, the GemGuide, we are uniquely positioned to conduct valuation research on a broad range of gem varieties and related topics. Whether you require an appraisal for a single item, a collection, or a comprehensive research project, our experienced staff is prepared to provide reliable valuation data.

From pricing data to market trends to business planning, Gemworld can help. After determining your project objectives, our staff will design and execute a research model tailored to your individual needs. The research is conducted with the goal of providing clients with reliable information. We have prepared strategic business plans, gemstone production analysis reports and market trends and sales reports for major mining companies and manufacturers worldwide. Clients include mining companies, lawyers, insurance companies, government agencies and private collectors.

Summary of Qualifications
Margaret A. Gilmore, GJG, CG
Graduate Jeweler Gemologist (GIA)
Certified Gemologist (AGS)


Stuart Robertson, GG
Graduate Gemologist (GIA)

Richard B. Drucker, GG, RMV
Graduate Gemologist (GIA)
Registered Master Valuer #461802


Professional Associations and Affiliations:
• Gemological Institute of America Alumni and Associates
• Accredited Gemologists Association
• Women's Jewelry Association
• American Gem Society
• Registered Master Valuer
• National Association of Jewelry Appraisers
• American Gem Trade Association
• Gen Next Jewelers

Location/Directions

Gemworld is located between I-90 and I-94 off of Willow, in Glenview, IL. Our offices are located on the southwest corner of Patriot and Lehigh in the Patriot Courtyards. From Willow, turn South on Patriot. The first intersection is Lehigh. There is a stoplight. Take a right (West). Lehigh will dead end. There are two two-story buildings that will be on your left. There is a glass enclosed stairwell/elevator system in between. You will find the Suite Numbers located on the south side of this elevator system. We are located in the second building on the second floor.

Click to view map


Margaret A. Gilmore, GJG, CG

Margaret A. Gilmore is the Appraiser for Gemworld International, Inc., located in Glenview, Illinois. Gemworld International, Inc. is a research and consulting firm that monitors relevant developments regarding the worldwide diamond and colored gemstone trade. Ms. Gilmore has been appraising for over 10 years and was appointed Gemworld's appraiser in March 2006. Her responsibilities also include training other appraisers on the GemGuide Appraisal Software which is used to complete appraisal documents.

Ms. Gilmore has a broad range of experience in the jewelry industry, including buying, inventory and quality control, gemstone identification, planning and supervising trunk shows, jewelry display layout, jewelry design, fabrication and repair.

Professional Designations
Certified Gemologist
Registered Jeweler
Graduate Jeweler Gemologist*
Graduate Jeweler*
Graduate Gemologist*
American Gem Society, 2006
American Gem Society, 2005
Gemological Institute of America, 1996
Gemological Institute of America, 1996
Gemological Institute of America, 1996
*In Residence

Professional/Continuing Education and Seminars
   American Gem Society (AGS)
   Certificate of Accreditation, 2008, 2007, 2006, 2005
   Conclave, 2008, 2007, 2006
   HRR 4th Edition Pseudoiscochromatic Colorvision 2006 Screening
   Cos Altobelli's Appraisal I & II Lectures, 2005

Gemological Institute of America (GIA)
   Identifying Ruby & Sapphires Lecture/Lab, 2008
   Identifying Emeralds Lecture/Lab, 2008
   Identifying Diamond Treatments Lecture/Lab, 2008, 2007
   Identifying Synthetic Diamonds, 2007
   Identifying Diamond Treatments, 2007
   Identifying Ruby, Sapphire and Emerald Lecture/Lab, 2007
   Gems & Gemology Challenge, 1999, 1998, 1997, 1996
   GIA Advanced Stone Setting, 1996
   Jewelry Design, 1996
   Comprehensive Wax Techniques, 1996
   Gold and Precious Metals, 1996
   Counter Sketching (with Honors), 1996
   GIA Advance Fabrication, 1996
   GIA Forging, 1996
   Diamonds Graduate, 1995
   Colored Stones Graduate, 1995

Women's Jewelry Association (WJA)
   2nd Annual Women in the Know Midwest, 2008

AGTA Gemological Testing Center
   Advanced Treatments of Ruby and Sapphire, 2008

Gemworld International, Inc. and AGTA Gemological Testing Center
   World of Gems Conference, 2008

National Association of Jewelry Appraisers (NAJA)
   30th Annual Ace© It Mid-Year Educational Conference, 2008

Master™ Valuer Program (MV)
   Master™ Valuer 3-Day Workshop, 2008

Jeweler's of America (JA)
   JA Certified Senior Management Professional (CSMP), 2006, 2001
   JA Certified Senior Sales Professional (CSSP), 2006, 2001

Platinum Fabrication, Revere Academy of Jewelry Arts, 1995

Professional Organizations
Gemological Institute of America Alumni and Associates, 1994 to present
The National Association of Jewelry Appraisers, 1998 to present
Women's Jewelry Association, 2001 to present
Manufacturing Jewelers & Suppliers of America, 2004, 2003, 1999, 1997

Professional Recognition
Ms. Gilmore was awarded a Certificate of Appreciation for contributing to the manufacturing of the Gemological Institute of America's Inaugural League of Honor in 1995, the first year of presentation. The League of Honor is one of the most prestigious awards of recognition it bestows upon benefactors.


Stuart Robertson, GG (GIA)

Stuart Robertson is the Research Director for Gemworld International, Inc., located in Glenview, Illinois. Gemworld International, Inc., is a research and consulting firm that monitors relevant developments regarding the worldwide diamond and colored gemstone trade. Mr. Robertson was appointed Gemworld’s Research Director and Gemstone Editor in October of 1998. His primary responsibilities include supervising the collection and interpretation of pricing data and related research conducted by the company’s research staff.

Mr. Robertson also conducts general research and authors reports and articles regarding market trends observed in areas including: exploration and mining from established geological locations, as well as issues related to treatment disclosure, identification and detection of treatments and their effect on pricing and value. Mr. Robertson has presented lectures on various aspects of gemology in both public and gem industry forums. Mr. Robertson has more than 20 years experience in the jewelry industry.

Professional Education and Affiliations
- Graduate Gemologist, Gemological Institute of America (GIA), 1993

- Accredited Senior Gemologist, Accredited Gemologists Association (AGA), 2000-present

- National Association of Jewelry Appraisers (NAJA), 1996, 2004-present

Stuart completed the International Society of Appraisers Appraisal Principles Core Courses in 1993. Course material included the Foundations of Professional Practice, Ethics and Conduct of the Professional Appraiser, Business Communication and Development, Report Writing Techniques, Terminology, Identification and Authentication Procedures, Methodology of Market and Value Research, Determining Function and Purpose of Appraisal, Detailed Narrative Report Writing, Principles of Appraising for U.S. Federal Tax Functions, Legal Aspects of Appraising, and Responsibilities of the Personal Property Appraisal Practitioner. The courses concluded with an extensive, qualifying examination.

Continuing Education
Participation in educational seminars, lectures and conferences are an important aspect to staying competent in a professional field. Mr. Robertson attends programs pertaining to gemology annually. The most significant of those programs are mentioned here: Understanding USPAP- A Personal Property Perspective (National Appraisal Consultants 1995), International Conference on Appraising (ISA 1995), National Conference (NAJA 1997, attended as a lecturer in 2001, 2003 and 2008) Fracture Filling of Gemstones (GIA), Advanced Diamond Clarity Grading (GIA), Identifying Challenging Synthetics (GIA), Laboratory Update (AGTA-GTC 2002, 2003, 2004, 2005 & 2006), Expert Witness (ISA 1999), Harnessing The Power of Insurance Appraising (Hoefer 1999). International Gemological Research Conference and GIA Symposium, 2006, World of Gems Conference, 2008 and AGTA-GTC Corundum Treatments, 2008.


Richard B. Drucker, GG

Richard Drucker is the president of Gemworld International, Inc. in Glenview, Illinois. As a third generation jeweler, he entered the business in 1979. In 1982, he began a pricing publication now known as the GemGuide. The GemGuide is used in more than 20 countries. In 2002, he became the owner and licensing distributor for GemGuide Appraisal Software, a sophisticated program used by nearly 1,000 jewelry appraisers. Drucker now serves as publisher, appraiser, consultant, lecturer, and author.

Actively involved in the jewelry industry, he was the president of the Illinois-Wisconsin GIA Alumni chapter from 1987-1991. In 1993, he was elected as the first Chairman of the Gemological Institute of America Alumni & Associates International Board of Governors and in 2000 he received an Alumni Leadership Award for exemplary service in this role. He is now a board member on the GIA Alumni Executive Committee. In 2006, he was bestowed the Antonio C. Bonanno Excellence in Gemology industry award. In 2007, Drucker was appointed to the board of the American Gem Trade Association Gem Testing Center, located in New York.

Drucker has lectured for many organizations throughout the world including the Gemological Institute of America Alumni Association, American Society of Appraisers, International Society of Appraisers, American Gem Trade Association, Accredited Gemologists Association, National Association of Jewelry Appraisers, American Gem Society, Canadian Gemmological Association, Scottish Gemmological Association, and the National Association of Goldsmiths (United Kingdom). He has been an integral part of many legal cases including work for the Internal Revenue Service, the United States Postal Inspector, the Federal Bureau of Investigation, and the United States Customs Service.

Credentials include: Graduate Gemologist of the Gemological Institute of America; Senior Member of the National Association of Jewelry Appraisers; Registered Master Valuer #461802; Senior Gemologist—Accredited Gemologists Association (past-Vice President).

Editor and Publisher:
The GemGuide, 1982-present

Contributing Editor Gemstone/Marketing:
Jewelers’ Circular Keystone, 1998-present

Publisher:
Photo Masters for Diamond Grading, 1994
Visual Optics, 1995
Wonders within Gemstones, 1996
The Jeweler’s Guide to Effective Insurance Appraising, 1996
Visual Optics II, 1999
The MicroWorld of Diamonds, 2000

Certificates of Merit/Achievement:
Gemological Institute of America Alumni Association
Accredited Gemologists Association
International Society of Appraisers
Jewelers Education Foundation
American Society of Appraisers
Professional Associations and Affiliations:
Accredited Gemologists Association
   Senior Gemologist
   Past Vice President
   Past Regional Governor

American Gem Society
   Sustaining Firm Member

American Gem Trade Association
   Associate Member
   Executive Board of Governors,
      Geological Testing Center


Gemological Institute of America Alumni and Associates

National Association of Jewelry Appraisers
   Senior Member

Registered Master Valuer
   Registered number: 461802