Meet the professional staff of PGSL. With hundreds of thousands of graded stones, PGSL can boast a measure of experience that spans decades. Learn about our background and find out how we can uniquely serve all your gem needs. 

PGSL offers reports for loose stones as well as finished jewelry. Services include full diamond certificates, origin reports, damage reports, and appraisals for insurance replacement. From the Quality Analysis Report to the Carte Blu, learn about all our gemological services.