002116股票_郭振玺股票

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.

Summer 2019

PGS Lab will be speaking this summer at the annual National Pawnbrokers convention in Las Vegas. This year we will be delivering a presentation centered on synthetic diamonds. It is an excellent opportunity for pawn professionals to hone their skills and stay up to date with all the developments affecting the market.

Professional Gem Sciences

Laboratory, Ltd.

​5 S. Wabash Avenue, Suite 315​

Chicago, IL 60603

   

© 002116股票_郭振玺股票 Copyright 2019  PGSL

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