Jewelry Judge - Los Angeles

Pasadena, California, USA

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Geoffrey A. Nelson - Jewelry Appraiser
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About this Appraiser

The Jewelry Judge Los Angeles is owned and operated by Geoffrey Nelson, GG (GIA), who has over 30 years experience in the jewelry and diamond profession. A same-day and while-you-wait jewelry appraisal service is offered to private clients from his office and gemlab in Pasadena. You will typically leave your appointment with your precious items and a detailed professionally produced appraisal, thus meaning that you are never without your jewelry or watches and gives you the opportunity to participate in the appraisal process.

Jewelry & Diamond Appraisal - All reports are produced in compliance with the regulations laid down by USPAP (Uniform Standards of Professional Appraisal Practice) which is the generally recognized as the ethical and performance standard for the appraisal profession in the US. Jewelry of all types, including modern diamond set items, antique / estate jewelry are appraised, as well as loose diamonds and gemstones and of course high-end modern and vintage watches.

Geoffrey conducts valuations for all purposes, including Insurance Replacement, Estate Tax, Divorce Settlement and Liquidation. Consultations are also available of purchase verification, damage reporting and post-loss assessment, all carried out in the secure and comfortable Jewelry Judge office. A home-visit service is also available to clients who wish the appraisal process to be carried out in their home or office.
The Jewelry Judge also provides appraisal and gemological services to other trade professionals who draw on Geoff’s extensive knowledge and can rely on his unbiased independent opinions and state of the art gemological equipment.

Services for Law Enforcement - Geoffrey Nelson is a respected accredited appraiser in the eyes of law enforcement agencies and advises the FBI (Federal Bureau of Investigation) and the USSS (United States Secret Service) in matters relating to seized fine jewelry, diamonds, gems and watches on a Local, County, State, and Federal level. A portable laboratory allows on-site inspections at the time of seizure.

This appraisal business has extensive experience in expert testimony and depositions and is qualified as an Expert in County, State, and Federal Court, so is well placed to offer litigation support to both consumers and the legal professions.

Mr Nelson is Adjunct Professor of Gemology, A Senior Member of the NAJA (National Association of Jewelry Appraisers) and has extensive connections to some of the country’s leading appraisal and gemological organizations.

Please use the contact links at the top of this page to make an appointment or discuss your appraisal requirements with Geoffrey.


The Business

  • Private Practice & Trade Appraiser
  • Business mix: Principally an Appraiser
    Also: Author, Educator, Market Analyst, Expert Witness
  • Principal + 0 staff Appraisers
  • Tue - Fri: 10am to 4.30pm
    Sat: 10am to 2.30pm
  • Mobile lab & at Appraiser’s office


  • Per-item & time-based fees
  • All major cards accepted
  • Full appraisal reports start at $100


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  • GG
  • GJ


  • GIA Alumni
  • NAJA


  • AGS - Guild of the Year

Background Checked

  • GIS


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While you wait jewelry appraisal


Jewelry Judge - Los Angeles
105 W. California Blvd.
CA 91105
Office leased within Wayne Jason Designs


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