Licensed Jewelry judge® Appraiser

Geoffrey A. Nelson, Sr. Mbr (NAJA), GJ (GIA), GG (GIA), AM (ISA), CIA (JIAI)

Certified Insurance Appraiser®

Accredited Appraiser – Gems & Jewelry

Instructor – Jewelry, Gemology and Valuation Science

Expert Witness

  • Federal Bureau of Investigation 11/97
  • United States Secret Service 4/2000
  • Los Angeles County Court, Public Defender, District Attorney

2004 American Society of Appraisers, Herdon, Virginia

  • GJ205 — Gems and Jewelry Appraisal Theory, Methods and Application
  • GJ206 — Gems and Jewelry Appraisal Techniques and Standards

1997 – 2003 International Society of Appraisers – Accredited Member

  • Appraisal Studies and Valuation Science
  • Appraisal of Antique and Period Jewelry

1992 -2000 American Gem Society, Las Vegas, Nevada

  • Registered Jeweler
  • Certified Gemologist
  • Certified Gemologist Appraiser
  • Independent Certified Gemologist Appraiser

1991 – 1994 Gemological Institute of America, Santa Monica, California
Graduate Jeweler: Diploma in Jewelry Manufacturing Arts (Residence)
Graduate Gemologist: Diploma in Gemology (Residence)
Jewelry Design Graduate: Certificate in Jewelry Design (Residence)

1983 – 1984 Los Angeles Trade Technical College – Associate of Arts: Computers / Electronics

Professional Experience

2000 – Present: Gemmology International Inc, Upland, CA dba Jewelry Judge – Los Angeles, Pasadena CA – Accredited Appraiser / Graduate Gemologist
2002 – 2012: Santiago Canyon College, Orange, CA – Instructor, Gemology Department; Visiting Instructor 2012 – Present
1996 – 2000: A.I.G. Laboratories, Los Angeles, CA – Assistant Laboratory Director
1993 – 1996: Professional Gem Sciences (Los Angeles, CA) Chicago IL – Manager / Staff Gemologist, Management Information Systems, Diamond Grading

Professional Memberships
  • Southern California Guild of the American Gem Society
    1998-1999 President
    1999 Guild of the Year
  • International Society of Appraisers: Accredited Member
  • Senior Member, National Association of Jewelry Appraisers
  • Jewelry Insurance Appraisal Institute: Certified Insurance Appraiser
  • Santiago Canyon College: Adjunct Professor of Gemology
  • Charter Member, Warner Center Rotary Club, Rotary International