COMPLETE SCHEDULE OF PROFESSIONAL SERVICES
DIAMONDS, GEMSTONES & MINERALS
Guild Laboratories provides independent diamond grading and gemstone identification and appraisal services. We grade colorless diamonds to the same standards used at the GIA (Gemological Institute of America) Laboratories. Reports can be issued with or without appraised values at the specified market levels
Colored diamond origin and X-ray of pearls are not conducted in our facility. They will be sent out for this advanced testing prior to conducting any appraisals.
Guild Labs can identify most gem materials on site. If necessary, items may be sent out for advanced testing. Gemstone descriptions conform to standards established by the international Laboratory Manual Harmonization Committee (LMHC).
FOR JEWELRY, WATCHES AND COINS & CURRENCY
We authenticate and appraise jewelry from every era including Georgian, Victorian, Edwardian, Art Nouveau and Art Deco through Retro and modern designer jewelry. We also appraise ethnic jewelry, watches, and collectible fashion (costume) jewelry.
As numismatic specialists, we conduct appraisals for both US and foreign coins and currency, including ancient coins and ephemera.
All appraisals conform to the Uniform Standards of Professional Appraisal Practices (USPAP).
LITIGATION SUPPORT, EXPERT WITNESS & CONSULTATION
Our skilled litigation support is based on decades of experience in the areas of insurance, business litigation, estate tax, donations, divorce, intellectual property and bankruptcy assignments. We consult with the public, as well as legal professionals, with or without documentation, and review appraisals conducted elsewhere. We also consult for personal purchases, resale and auction lotting.
Guild Laboratories expert witness services combines top-notch technical skills with a deep understanding of the legal process. With extensive experience in civil and criminal court proceedings for both sides on these matters, Guild Laboratories is distinctly qualified for professional services in Federal, State, Tax and Bankruptcy courts.
Guild Labs has extensive experience in business audits, both internal and external. We work confidentially and side-by-side with banking and accounting professionals to verify values of business inventories and the integrity of operations.
Appraisals and consultation are billed at hourly rates.
GUILD LAB SERVES
The general public, the gem and jewelry trade, local, national and international businesses and governmental and law enforcement agencies, museums, banks and trust departments, attorneys, accountants, news media and the entertainment industry.
US GOVERNMENT & INTERNATIONAL AGENCIES:
US Federal Government departments including: Homeland Security, Interior, Justice, State, Treasury, Federal Trade Commission, Securities and Exchange, and US Postal Inspection Service. Guild Labs has also consulted on two World Bank projects.
STATE & LOCAL AGENCIES:
Attorneys General, Departments of Corporations, District Attorneys, City Attorneys, Sherriff and Police Departments, Community Redevelopment Agencies and Public Administrators
AS EXPERT WITNESS FOR GEMS, JEWELRY, COINS AND CURRENCY VALUATION:
- US District Courts: Los Angeles, CA, Alexandria, VA, Chicago, IL
- US Tax Court: Los Angeles, CA
- US Bankruptcy Court: Los Angeles, CA Las Vegas, NV
- California Superior Courts: Los Angeles, Orange, Ventura, San Bernardino, Riverside and Santa Clara counties
- Arizona Superior Court: Pima County, AZ