Located in the heart of Seattle's business core at 500 Union Street, Gemological Consulting Services is Seattle's oldest independent appraisal service provider.

   Established in 1981, Gemological Consulting Services, Inc. has dedicated itself to providing our clients with the most comprehensive description and analysis of gemstones and jewelry currently available in the industry.
 
   As an independent appraisal service we provide our services to trade, private accounts, law enforcement agencies and financial institutions.

   Our services include reports for insurance purposes, estates, liquidation, damage, salvage, and expert testimony.