• Gempact Valuation


    Appraisers & Property Tax Consultants Personal Concierge ServicesJewelersJewelry

    About Us

    Chicago to Milwaukee: Evaluation and Valuation of Gems, Jewelry and Watches. USPAP complaint appraisal development and reporting. Concierge service In-Home/Bank Vault/Office, downtown Chicago office, or home office in Libertyville, Illinois.
    Randy Plotner received his Graduate Gemologist training and designation at the Gemological Institute of America located in Carlsbad, California in 2014. Gempact Valuation was established in 2018, serving the communities and businesses surrounding Lake Michigan's southwest shore.
    Confidential consultations, transparent methodology and accurate reporting.


    • Jewelry Appriaser
    • USPAP compliant
    • GIA Graduate Gemologist
    • Concierge Service Available


    Alexandrite Chrysoberyl, Synthetic Color-Change Gemstone
    Natural Diamond Round Brilliant Cut Stud Earrings
    Exceptional Quality Large Size Natural Diamond Oval Brilliant Cut
    Black Tahitian Saltwater Cultured Pearl Strand Necklace
    Natural Blue Sapphire and Diamond Engagement Ring