GIA DIAMONDS AND DIAMOND GRADING FINAL EXAM
NEWEST ACTUAL EXAM COMPLETE 200 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED),,
London Diamond Syndicate - Correct Answer-✔✔What group was critical to De
Beers's early sales strategy?
Color - Correct Answer-✔✔How are gem-quality rough diamonds sorted?
Baby Boomers - Correct Answer-✔✔What generation was first to connect with
diamonds as a representation of lifetime commitment?
India - Correct Answer-✔✔Where did the diamond industry first start?
Single-channel marketing - Correct Answer-✔✔What describes the concept of
centrally controlled supply, purchase, promotion, and sales of rough diamonds?
Lower mantle - Correct Answer-✔✔What mantle layer is most dense?
Will turn into graphite - Correct Answer-✔✔What happens to diamond if lamproite
stalls in the continental crust?
When a continental and oceanic plate collide - Correct Answer-✔✔When does
subduction occur?
,High heat and high pressure - Correct Answer-✔✔How are metamorphic rocks
formed?
CLIPPIR diamonds, blue diamonds, Brazil's Junia diamond - Correct Answer-✔✔What
is an example of a superdeep diamond?
A good sign that a pipe is nearby - Correct Answer-✔✔What might black spinel in a
mineral sample indicate?
Robotic/automated crawlers - Correct Answer-✔✔What equipment might offshore
deep-sea diamond mining use?
Primary deposits - Correct Answer-✔✔What deposit type produces most diamonds
mined today?
Character sampling - Correct Answer-✔✔What type of sampling gives an initial idea
of diamond quality for a deposit?
Brazil - Correct Answer-✔✔Where are rocks and geological structures similar to
Africa found due to ancient connections?
Crystal structure - Correct Answer-✔✔What is another term for crystal lattice?
Type Ia - Correct Answer-✔✔What type are most natural diamonds?
, Cleavage - Correct Answer-✔✔What is a smooth, flat break in a crystal parallel to a
cleavage plane?
Macle - Correct Answer-✔✔What is a flat, triangular, twinned diamond crystal?
Intrinsic defect and extrinsic defects - Correct Answer-✔✔What types of point
defects are found in diamonds?
Color center - Correct Answer-✔✔What influences light absorption, resulting in
bodycolor?
Hydrogen-related defects - Correct Answer-✔✔What trace element can cause a
violet color in diamonds?
Lower - Correct Answer-✔✔How does the energy emitted by a gem compare to the
energy it absorbs?
White light - Correct Answer-✔✔What type of light combines all the colors in the
visible spectrum?
Nitrogen defects - Correct Answer-✔✔What is the most common cause of yellow
color in diamonds?
Cutting - Correct Answer-✔✔What controls light path length within a diamond?
NEWEST ACTUAL EXAM COMPLETE 200 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED),,
London Diamond Syndicate - Correct Answer-✔✔What group was critical to De
Beers's early sales strategy?
Color - Correct Answer-✔✔How are gem-quality rough diamonds sorted?
Baby Boomers - Correct Answer-✔✔What generation was first to connect with
diamonds as a representation of lifetime commitment?
India - Correct Answer-✔✔Where did the diamond industry first start?
Single-channel marketing - Correct Answer-✔✔What describes the concept of
centrally controlled supply, purchase, promotion, and sales of rough diamonds?
Lower mantle - Correct Answer-✔✔What mantle layer is most dense?
Will turn into graphite - Correct Answer-✔✔What happens to diamond if lamproite
stalls in the continental crust?
When a continental and oceanic plate collide - Correct Answer-✔✔When does
subduction occur?
,High heat and high pressure - Correct Answer-✔✔How are metamorphic rocks
formed?
CLIPPIR diamonds, blue diamonds, Brazil's Junia diamond - Correct Answer-✔✔What
is an example of a superdeep diamond?
A good sign that a pipe is nearby - Correct Answer-✔✔What might black spinel in a
mineral sample indicate?
Robotic/automated crawlers - Correct Answer-✔✔What equipment might offshore
deep-sea diamond mining use?
Primary deposits - Correct Answer-✔✔What deposit type produces most diamonds
mined today?
Character sampling - Correct Answer-✔✔What type of sampling gives an initial idea
of diamond quality for a deposit?
Brazil - Correct Answer-✔✔Where are rocks and geological structures similar to
Africa found due to ancient connections?
Crystal structure - Correct Answer-✔✔What is another term for crystal lattice?
Type Ia - Correct Answer-✔✔What type are most natural diamonds?
, Cleavage - Correct Answer-✔✔What is a smooth, flat break in a crystal parallel to a
cleavage plane?
Macle - Correct Answer-✔✔What is a flat, triangular, twinned diamond crystal?
Intrinsic defect and extrinsic defects - Correct Answer-✔✔What types of point
defects are found in diamonds?
Color center - Correct Answer-✔✔What influences light absorption, resulting in
bodycolor?
Hydrogen-related defects - Correct Answer-✔✔What trace element can cause a
violet color in diamonds?
Lower - Correct Answer-✔✔How does the energy emitted by a gem compare to the
energy it absorbs?
White light - Correct Answer-✔✔What type of light combines all the colors in the
visible spectrum?
Nitrogen defects - Correct Answer-✔✔What is the most common cause of yellow
color in diamonds?
Cutting - Correct Answer-✔✔What controls light path length within a diamond?
