GIA Diamond and Diamond Grading Final Exam; Questions & Answers 100% Solved
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Course
Diamond Essentials
Institution
Diamond Essentials
GIA Diamond and Diamond Grading Final
Exam; Questions & Answers 100% Solved
How are gem-quality rough diamonds sorted? Correct answer-weight, shape, clarity, and
color
What is a downstream segment of the mine to market diamond journey? Correct answerSelling to a customer via diamond jewelry ...
GIA Diamond and Diamond Grading Final
Exam; Questions & Answers 100% Solved
How are gem-quality rough diamonds sorted? Correct answer-weight, shape, clarity, and
color
What is a downstream segment of the mine to market diamond journey? Correct answer-
Selling to a customer via diamond jewelry retail
What describes a larger organization buying and joining smaller companies? Correct
answer-Consolidation
What region was the heart of the diamond rush in South Africa? Correct answer-Kimberly
What diamond's discovery led to the modern diamond industry? Correct answer-The
Dudley- star of South Africa
What is characteristic of minerals? Correct answer-Natural inorganic substance with
chemical composition and characteristic structure
What layer is molten? Correct answer-Outer core
Where are most diamond deposits found? Correct answer-Cratons
, GIA Diamond and Diamond Grading Final
Exam; Questions & Answers 100% Solved
Where do most diamonds form and reside? Correct answer-Within the mantel keel under
cratons
What is an example of a superdeep diamond? Correct answer-Juina
What kind of rock creates a primary diamond deposit? Correct answer-Kimberlite
How do geologists locate cratons? Correct answer-geological mapping
How does ore removal start in a primary deposit? Correct answer-Open-pit mining
What might perovskite in a mineral sample indicate? Correct answer-A diamond
pipe/source deposit is nearby
What is the rock that covers a pipe? Correct answer-overburden - also called yellow
ground due to yellow color
Which subatomic particle has no electrical charge? Correct answer-Neutron
What can the diamond type classification system help to identify? Correct answer-Lab-
grown diamonds
, GIA Diamond and Diamond Grading Final
Exam; Questions & Answers 100% Solved
What is another name for the cubic system? Correct answer-Isometric
What is the surface in a twinned crystal where the diamond's growth direction changes?
Correct answer-Twinning plane
What is a rough diamond's value based on? Correct answer-Facet gem potential
What type of radiant energy is found on the electromagnetic spectrum? Correct answer-
X-ray
What causes steps in a diamond's band gap? Correct answer-A constant energy
differences. How much energy an electron requires to move across the gap
What do electrons do when visible light is emitted during luminescence? Correct answer-
Return to stable state
What subatomic particles interact with light to produce color? Correct answer-Electrons
What does irradiation create when it displaces carbon atoms in the crystal lattice?
Correct answer-Vacancies
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