About Us

Joanna Kovacs is a GIA Graduate Gemologist from New York with 21 years of jewelry experience.  She attended the Gemological Institute of America in New York, NY and after completing the diamonds and diamond grading courses, she received her Graduate Diamonds Diploma. In 2009, she was featured in the New York State Jewelers Association magazine for being selected as their annual scholarship recipient.  Joanna traveled to Florence, Italy where she completed the Colored Stones Grading Courses, completing her colored stones and colored stone grading requirements and received her Graduate Colored Stones Diploma.  She then fulfilled the AJP requirements and became a GIA Accredited Jewelry Professional.  In 2012, Joanna received her GIA Graduate Gemologist Diploma, G.G.  She is a Diamond Council of America (DCA) Graduate Diamontologist and Guild Gemologist (DCA).  After many years of jewelry retail sales management in New York, she got her business license and began buying jewelry at the JA New York trade shows.  Buying, selling, and appraising have always been her passion.

Joanna Kovacs is the Owner and President of Raregem Jewelry Appraisal Services, LLC and provides Independent Diamond Jewelry Appraisals in the Scottsdale, Arizona area specializing in appraising diamonds, colored stones, new and estate jewelry items, and watches.

Joanna provides Independent Jewelry Appraisal Service to many celebrities including daytime TV acting professionals, many musical celebrities including singers, songwriters, composers, producers, sports professionals and politician’s family personal jewelry.

She is a professional member of the Gemological Institute of America (GIA) Alumni Association located in Carlsbad, CA, and a member of the National Association of Jewelry Appraisers, NAJA. Joanna stays up to date with industry knowledge by completing the GIA Continuing Education Recognition Program.