Expert Witness & Litigation Support

Reliable, accurate and experienced litigation support and expert witness testimony for jewelry and gemstone consultation and appraisals.

As independent certified gemologists and professional appraisers, we have extensive experience in jewelry appraisal, gem identification, and jewelry design. We offer expert opinions, draft expert witness reports, and provide expert witness testimony and litigation support at deposition and trial. 

Specializing in litigious jewelry appraisal assignments, we are highly qualified and experienced in providing expert testimony, advisory services and litigation support for the following:

  • Expert testimony for civil and criminal cases, 
  • Forensic jewelry appraisal for post-loss and post-damage 
  • Equitable distribution valuations
  • Probate and estate administration and settlement
  • IRS qualified appraiser 
  • USPAP compliant reports.

Whether a case involves diamond appraisal, diamond grading, estate appraisal, antique jewelry, fine jewelry appraisal, precious stones, or gem identification, Cal Coast Jewelry Appraisers will travel off-site to make a statement of authenticity and/or provide written statements of authenticity for items involved in a dispute or litigation process. 

Call our office or email us today to learn more about our Expert Witness & Litigation Support Services. 

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Expert Witness & Litigation Support

Forensic research and report writing

In office $225.00 per hour


Out of office $250.00 per hour (w/ travel fee)


Travel and equipment set up $95.00 per hour ($95 minimum fee)


Deposition, Arbitration or Court $250.00 per hour (½ day minimum)


Fee estimate can be provided at the start of the assignment. Cancellation within 7 days for all expert witness testimony is billed at the ½ day minimum.

Gemological Institute of America logo
American Society of Appraisers logo
National Association of Jewelry Appraisers logo
Jewellery Appraisers of the World logo
Women's Jewellery Association logo