Diamond grading and other appraisals for the trade and general public. AGA diamond cut grading charts for round and fancy shaped diamonds.

Appraises diamonds, gemstones and jewelry for value, insurance, estates. Located on Long Island, NY.

Independent gemological lab offers identification, grading and appraisal of gems and jewelry. Features gem care information.

Canadian independent gemological laboratory offering diamond grading, gem identification, appraisals, and gemmological education.

An independent firm for insurance fair market value, gem identification, and precious metal testing. Services, sample appraisal, and map to their Charleston, SC location.

Offers diamond grading reports and jewelry appraisals. Located in Toronto, Canada.

California appraiser serving individuals, banks and probate attorneys.

Jewelry appraisals based on researched value conclusions by credentialed individual located in Southern California.

Provides appraisal and brokerage services, specializing in antique and contemporary jewelry and gemstones.

Provides gemological identification services and professional replacement valuation reports.