Welcome to GLS Appraisals for diamonds and jewelry

Since graduating from the G.I.A. in Santa Monica, CA in 1981, David Levison has journeyed to South and Central America, Assad Kashmir in Pakistan and the diamond fields of Sierra Leone, Africa.  He has committed himself to continuing his knowledge of gemstones and jewelry.

Gem Identification

Estate Valuation

Divorce Settlement

Jewelry Appraisal

Liquidation Value

Fair Market Value

Insurance Replacement 

Litigation Support

Brokerage

Jewelry appraisals performed by G.L.S. are prepared by credentialed professionals that follow the guidelines of the Uniform Standards of Professional Appraisal Practice (USPAP) and the National Association of Jewelry Appraisers (NAJA). GLS uses the Gemological Institute of America (GIA) standards and terminology for grading diamonds and the American Gemological Laboratory (AGL) guidelines for grading colored gemstones.