Professional Gem Sciences

Laboratory, Ltd.

​5 S. Wabash Avenue, Suite 315​

Chicago, IL 60603


© Copyright 2020  PGSL

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Mallers Building

5 South Wabash Avenue,

Suite 315

Chicago, IL 60603





Phone: (312) 920-1541

Hours: Monday - Friday: 9:30-5:00  CST

          Open select Saturdays and holidays

          Call or email to schedule an appointment

          We are also able to accommodate walk-in clients