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Jewelry Appraiser - Bill Hoefer - Professional Profile

In order to achieve the goal of proving you with a proper jewerly appraisal, Bill Hoefer has achieved the following:

Bill Hoefer




He is a Graduate Gemologist (Gemological Institute of America - GIA) with additional certificates in Diamond Grading and Evaluation, Colored Stone & Gem Identification, Colored Stones Grading, Pearls as well as an additional diploma as a Gemologist.

Bill also holds the coveted Gemmologist diploma from the Gemmological Association of Great Britain (Gem-A).


He wrote - for the Jewelers' Educational Foundation (JEF), in conjunction with the American Gem Society (AGS) - the Advanced Personal Property Appraisal (APPA) course. This is a course that teaches advanced as well as basic appraisal methodology, ethics, procedures and report writing.

He developed and presented three appraisal seminars:

Harnessing Insurance Appraising
Estate Settlement - What They Forget to Teach You
Divorce - Appraisal Theory and Practice

He wrote and instructed - for the International Society of Appraisers (ISA) - the advanced course 301 Expert Witness.

Bill holds four certificates of completion from Indiana University, in conjunction with ISA on Personal Property Appraising (101, 102, 103 and 104).


Law Books




He has a Certificate of Proficiency as an Attorney Assistant from West Valley College.


He has developed the following websites for jewelry appraisers:

www.AppraiserUnderOath.com - for personal property as well as jewelry appraisers.
www.AppraisingDemystified.com - offering professional seminars for jewelry appraisers as well as personal property appraisers.
www.PerfectDiagram.com - showcasing diamond plotting diagrams used by jewelry appraisers and gemologists.

Bill owned Master Jewelers in San Jose, California for ten years - rendering custom jewelry, repairs as well as selling diamonds and colored gemstones. Enhancing his skills as a goldsmith, he holds four certificates of completion from Revere Academy of Jewelry Arts in Advanced Goldsmithing, Goldsmithing, Mokume Gane and Granulation.

He also received the following awards from ISA: Outstanding Member Award, Lamp of Knowledge Award, Distinguished Service Award, Media Award and a second Lamp of Knowledge Award.

In addition to awards, he was given certificates of appreciation as follows: Legal Research (course 105), Developing Continuing Appraisal Education on the ISA Net, Service to Appraisal Service Committee, Reviewing Gem & Jewelry Appraisal Assignments, Contribution to ISA Newsletter and Assistance to Designation and Review Committee, Authoring Expert Witness (course 301) and Instructing First Offering of Expert Witness (course 301).


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