gemologist
Diamond evaluation professional
A gemologist is a specialist in identifying, grading, and appraising gemstones.
The work requires knowledge of crystal structures, optical properties, and market values.
Gemologists authenticate stones, detect synthetics and treatments, and certify quality for the jewelry trade: The gemologist confirmed the diamond was natural, not lab-grown.
Crystallized carbon gemstone
- rubyPrecious red gemstone
- sapphireBlue precious corundum
- emeraldGreen precious beryl
- opalHydrated silica gemstone
topaz · amethyst · turquoise · garnet · pearl · aquamarine · peridot · citrine
Pocket-sized detail viewer
- microscopeInstrument for viewing minute objects
- refractometerOptical index-measuring device
- spectroscopeDevice separating light frequencies
- polariscopeInstrument detecting optical stress
calipers · tweezers · scale · colorimeter · UV lamp · magnification · lighting · darkfield
State of being understandable
- colorVisual hue property
- cutSeverance or reduction
- carat200 milligrams exactly
- inclusionsThings placed within
fluorescence · brilliance · fire · scintillation · symmetry · proportions · transparency · saturation
Cutting angled surfaces
- cuttingDividing via sharp edge
- polishingSmoothing by friction
- cabochonDomed, unfaceted gemstone
- tableHorizontal furniture surface
crown · pavilion · girdle · bezel · rough · preform · facet · blocking
Estimation of worth
- certificationAttestation of qualification
- gradingAssigning marks to work
- authenticationConfirming genuine identity
- valuationAssessment of monetary worth
specialist · connoisseur · authority · professional · knowledge · evaluation · assessment · expertise
diamond
Crystallized carbon gemstone
opal · topaz · amethyst · turquoise · garnet · pearl · aquamarine · peridot · citrine · tanzanite
loupe
Pocket-sized detail viewer
- microscopeInstrument for viewing minute objects
- refractometerOptical index-measuring device
- spectroscopeDevice separating light frequencies
polariscope · calipers · tweezers · scale · colorimeter · UV lamp · magnification · lighting · darkfield
clarity
State of being understandable
inclusions · fluorescence · brilliance · fire · scintillation · symmetry · proportions · transparency · saturation · hue
faceting
Cutting angled surfaces
table · crown · pavilion · girdle · bezel · rough · preform · facet · blocking · lap
appraisal
Estimation of worth
- certificationAttestation of qualification
- gradingAssigning marks to work
- authenticationConfirming genuine identity
valuation · specialist · connoisseur · authority · professional · knowledge · evaluation · assessment · expertise · proficiency
crystallography
Study of atomic lattices
luster · specific gravity · dispersion · formation · corundum · beryl · feldspar · quartz · silicates · phenomenal
- specialistsanalyst, consultant, technician, cardiologist, dermatologist
- gem traderough stones, loose stones, precious stones, semi-precious, synthetic gems
- jewelersjeweler, goldsmith, silversmith, custom jeweler, jewelry designer
- Jewelry Tradejewelers, jewelry designers, goldsmiths, silversmiths, goldsmith
- Luxury Careersjeweler, couturier, perfumer, goldsmith, watchmaker
- jewelryearrings, bracelet, necklaces, necklace, rings
gemologistlayperson
Non-specialist or unordained person
untrained eye · novice · amateur · ignoramus