Gemological Appraisals and Creations


Gemological Certificates


May 2010


June 2010


May 2011


February 2012


February 2012


March 2012


April 2012


May 2012


May 2012


June 2012





World Gem Society



Introduction to Watches


Study of Pearls




Colored Gemstone Identification


Colored Gemstone Grading


Identification of Synthetic Gemstones


Jewelry Insurance Appraisal


Evaluating Damaged Jewelry


Registered Gemologist (RG), ISG


Registered Gemologist Appraiser (RGA), ISG





Stephanie L. Masché

Registered Gemologist Appraiser

(920) 296-6957

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