Susan Eisen
- Appraisal and expert witness service located in El Paso, Texas.
- http://www.susaneisen.com/valuatn.htm

Indepth Appraisals
- Jewelry appraisals based on researched value conclusions by credentialed individual located in southern California.
- http://www.indepthappraisals.com

Jewels By Stacy Appraisals
- California jewelry appraiser serving individuals, banks and probate attorneys in the identification and valuation of fine gems and jewelry.
- http://www.jewelry-appraisal.com/

International Gemological Institute, Inc.
- Appraisal services for precious gems and jewelry. Based in New York.
- http://www.igi-usa.com/

Accurate Appraisal Associates
- Pennsylvania firm, providing litigation support services for disputes involving gems and jewelry.
- http://www.accurateappraisal.com/