A person who has been trained and certified in diamonds and gemstones. Common certifications are awarded by Gemological Institute of America (GIA) or European Gemological Laboratory (EGL).
One who completes recognized courses of study of gem materials and/or passes examinations that demonstrate his competence to identify and evaluate gem materials.
a person who has completed the Graduate Diamonds, Diamond Grading, and Graduate Colored Stones courses of study at the Gemological Institute of America
a person who has successfully completed recognized courses in gemology the
a qualified specialist who has undergone at least a six-month certification course with an institution such as the GIA
a scientist, who can determine the nature and identity of a given stone, using specialized equipment
A person who has been trained and accredited in diamonds and colored stones.
A specialist in gem materials. One who has successfully completed the study of gem identification, grading, and pricing.
One who has successfully completed recognized courses of study in gem identification, grading and pricing, as well as diamond grading and appraising; e.g., a "Gemologist" or "Graduate Gemologist" of the Gemological Institute of America or a "Certified Gemologist" of the American Gem Society.