To ensure we are able to
keep up with all the latest
developments in gemstone
treatments and synthesis,
GISA continues to invest in
the best of the latest
available equipment to see
to it that we are able to maintain our high
standards of quality and accuracy.
Full verification service
All GISA grading, identification and
appraisal reports can be verified for
your peace of mind using our
simple verification form. Click the
“Verify Report” button to verify your
Always Up to Date
GISA’s gemmologists constantly
upgrade and hone their skills by
keeping abreast with the latest
discoveries from around the world
and continually receiving training
updates to ensure they are always
one step ahead.
The Gemmology Institute of Southern Africa offers
world-class gemmology services including
diamond and gem consultations, training and
various diamond and gemstone identification
reports and appraisals.
All samples undergo an advanced and thorough
barrage of industry recognised testing procedures
and microscopic examination in our fully equipped
gem testing laboratory.
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