National Association Jewelry Appraisers
www.NAJAappraisers.com

Gemological Institute of America
www.gia.edu

International Society of Appraisers
www.isa-appraisers.org

Gemworld International
www.gemguide.com

American Society of Jewelry Historians
www.jewelryhistorians.com

American Gemological Laboratories
www.aglgemlab.com

Grosse Pointe Chamber of Commerce
www.grossepointechamberofcommerce.org

The Hill Association- Grosse Pointe Farms, MI
www.thehillgp.com