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      Details
      HoursCLOSED NOW
      Regular Hours:
      Mon - Thu

      Contact Info

      Phones:

      Main - 312-920-1541

      Extra - 312-820-1541

      Fax - 312-920-1547

      ExtraTollFree - 888-292-1888

      Address:
      5 S Wabash Ave Ste 315 Chicago, IL 60603
      Email:

      Link:

      https://www.pgslaboratory.com/contact

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      Category
      Diamond Buyers
      Location
      Jewelers Center-Mallers Bldg
      Neighborhoods
      Central Chicago, The Loop
      AKA

      Professional Gem Services

      Professional Gem Sciences Laboratory

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      Data provided by one or more of the following: Thryv, Data Axle, Yext.