| Accredited Gem Appraisers: Diamond grading and other appraisals for the trade and general public. AGA diamond cut grading charts for round and fancy shaped diamonds. |
| Anton Nash: Offers jewelry appraisal and consulting, and serves the Colorado Springs, Denver and Pueblo, Colorado area. Includes staff profiles, and care and cleaning advice. |
| Cannon Gem Appraisal: Provides gemological identification services and professional replacement valuation reports. |
| Carolina Gem Lab: Offers appraisal services for fine jewelry. Credentials, service types, and contact information. |
| CSM Gem Lab: An independent firm for insurance fair market value, gem identification, and precious metal testing. Services, sample appraisal, and map to their Charleston, SC location. |
| David's Jewelry Appraisal Service: Offers example of valuation, credentials, and contact details. Located in the Minneapolis area. |
| Forest Jewelers: Offers sales and appraisal services. Inventory details, online ordering, resource links, and contact information. |
| Gem Evaluation Lab: Appraises diamonds, gemstones and jewelry for value, insurance, estates. Located on Long Island, NY. |
| GemScan: Offers diamond grading reports and jewelry appraisals. Located in Toronto, Canada. |
| Harold Weinstein Gemological Laboratory: Canadian independent gemological laboratory offering diamond grading, gem identification, appraisals, and gemmological education. |
| In Depth Appraisals: Jewelry appraisals based on researched value conclusions by credentialed individual located in Southern California. |
| Jewellery Appraisal Sciences: Provides appraisal and brokerage services, specializing in antique and contemporary jewelry and gemstones. |
| Jewellery Valuer: Valuations for insurance, probate and post loss. Credentials, services, and contact information. UK company. |
| Jewelry Appraisal Services: Independent appraisers of jewelry, diamonds and gems. |
| Jewelry Judge: Association of professionals offers appraisal services throughout the United States and Canada. |
| Jewels By Stacy Appraisals: California appraiser serving individuals, banks and probate attorneys. |
| Just Appraisers: Offers diamonds, jewelry, gemstones and watches appraisal in New York & New Jersey laboratories. |
| Karen Jensen Gem & Jewelry Appraisals: Offers identification and appraisal of gems and jewelry, purchase and sale consulting. |
| New England Gem Lab: Independent team of professional gemologists and appraisers who are not buying or selling jewelry. Offers appraisal of fine jewelry for the public, jewelry trade, financial institutions, probate attorneys and the insurance industry. |
| Northwest Gemological Laboratory and Institute: Independent appraiser of fine jewelry and gemstones. Provides instruction to jewelers in the art and science of diamond grading and gemstone identification. Bellevue, Washington. |
| ProofPositive: Provides inventories to collectors, business and home. Includes details of products and services. |
| San Diego Gemological Laboratory: Independent gemological lab offers identification, grading and appraisal of gems and jewelry. Features gem care information. |
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