| John
J. Ramos graduated form Gemological Institute of
America In-Residence program in June of 1980. After
receiving his Graduate Gemologist degree, he spent one year working
as an appraiser and establishing the Southwest Appraisal Labs in Houston, Texas. In 1981
he moved back to San Francisco to become the appraiser for Granet
Brothers, a jewelry store with 17 chains in Northern California.
At this same time, John started Gem Data and for the
past twenty years Gem Data has been providing its clients with high
quality appraisals and superior service. We have the tools and
knowledge, gathered through years of experience, to help you with all of
your gemological needs. Whether you need an appraisal for a sale, as
either seller or buyer, or you need an appraisal for insurance we can
help you.
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