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        BBB Rating
        A+
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        Extra Phones

        Fax: (312) 920-1547

        TollFree: (888) 292-1888

        Phone: (312) 820-1541

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

        Professional Gem Services

        Professional Gem Sciences Laboratory

        Other Link

        https://www.pgslaboratory.com/contact

        Category
        Diamond Buyers

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        Details

        Phone: (312) 920-1541

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

        Website: https://www.pgslaboratory.com/contact

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