GIA DIAMONDS AND DIAMOND GRADING FINAL EXAM 2025
WITH ACTUAL CORRECT QUESTIONS AND VERIFIED DETAILED
ANSWERS |FREQUENTLY TESTED QUESTIONS AND SOLUTIONS
|ALREADY GRADED A+|BRAND NEW!!|LATEST UPDATE
|GUARANTEED PASS
What group was critical to De Beers's early sales strategy? - CORRECT
ANSWER >>>>>London Diamond Syndicate
How are gem-quality rough diamonds sorted? - CORRECT ANSWER
>>>>>Color
What generation was first to connect with diamonds as a representation of
lifetime commitment? - CORRECT ANSWER >>>>>Baby Boomers
Where did the diamond industry first start? - CORRECT ANSWER
>>>>>India
What describes the concept of centrally controlled supply, purchase,
promotion, and sales of rough diamonds? - CORRECT ANSWER
>>>>>Single-channel marketing
What mantle layer is most dense? - CORRECT ANSWER >>>>>Lower
mantle
,What happens to diamond if lamproite stalls in the continental crust? -
CORRECT ANSWER >>>>>Will turn into graphite
When does subduction occur? - CORRECT ANSWER >>>>>When a
continental and oceanic plate collide
How are metamorphic rocks formed? - CORRECT ANSWER >>>>>High
heat and high pressure
What is an example of a superdeep diamond? - CORRECT ANSWER
>>>>>CLIPPIR diamonds, blue diamonds, Brazil's Junia diamond
What might black spinel in a mineral sample indicate? - CORRECT
ANSWER >>>>>A good sign that a pipe is nearby
What equipment might offshore deep-sea diamond mining use? -
CORRECT ANSWER >>>>>Robotic/automated crawlers
What deposit type produces most diamonds mined today? - CORRECT
ANSWER >>>>>Primary deposits
What type of sampling gives an initial idea of diamond quality for a
deposit? - CORRECT ANSWER >>>>>Character sampling
Where are rocks and geological structures similar to Africa found due to
ancient connections? - CORRECT ANSWER >>>>>Brazil
, What is another term for crystal lattice? - CORRECT ANSWER
>>>>>Crystal structure
What type are most natural diamonds? - CORRECT ANSWER >>>>>Type
Ia
What is a smooth, flat break in a crystal parallel to a cleavage plane? -
CORRECT ANSWER >>>>>Cleavage
What is a flat, triangular, twinned diamond crystal? - CORRECT ANSWER
>>>>>Macle
What types of point defects are found in diamonds? - CORRECT ANSWER
>>>>>Intrinsic defect and extrinsic defects
What influences light absorption, resulting in bodycolor? - CORRECT
ANSWER >>>>>Color center
What trace element can cause a violet color in diamonds? - CORRECT
ANSWER >>>>>Hydrogen-related defects
How does the energy emitted by a gem compare to the energy it absorbs?
- CORRECT ANSWER >>>>>Lower
WITH ACTUAL CORRECT QUESTIONS AND VERIFIED DETAILED
ANSWERS |FREQUENTLY TESTED QUESTIONS AND SOLUTIONS
|ALREADY GRADED A+|BRAND NEW!!|LATEST UPDATE
|GUARANTEED PASS
What group was critical to De Beers's early sales strategy? - CORRECT
ANSWER >>>>>London Diamond Syndicate
How are gem-quality rough diamonds sorted? - CORRECT ANSWER
>>>>>Color
What generation was first to connect with diamonds as a representation of
lifetime commitment? - CORRECT ANSWER >>>>>Baby Boomers
Where did the diamond industry first start? - CORRECT ANSWER
>>>>>India
What describes the concept of centrally controlled supply, purchase,
promotion, and sales of rough diamonds? - CORRECT ANSWER
>>>>>Single-channel marketing
What mantle layer is most dense? - CORRECT ANSWER >>>>>Lower
mantle
,What happens to diamond if lamproite stalls in the continental crust? -
CORRECT ANSWER >>>>>Will turn into graphite
When does subduction occur? - CORRECT ANSWER >>>>>When a
continental and oceanic plate collide
How are metamorphic rocks formed? - CORRECT ANSWER >>>>>High
heat and high pressure
What is an example of a superdeep diamond? - CORRECT ANSWER
>>>>>CLIPPIR diamonds, blue diamonds, Brazil's Junia diamond
What might black spinel in a mineral sample indicate? - CORRECT
ANSWER >>>>>A good sign that a pipe is nearby
What equipment might offshore deep-sea diamond mining use? -
CORRECT ANSWER >>>>>Robotic/automated crawlers
What deposit type produces most diamonds mined today? - CORRECT
ANSWER >>>>>Primary deposits
What type of sampling gives an initial idea of diamond quality for a
deposit? - CORRECT ANSWER >>>>>Character sampling
Where are rocks and geological structures similar to Africa found due to
ancient connections? - CORRECT ANSWER >>>>>Brazil
, What is another term for crystal lattice? - CORRECT ANSWER
>>>>>Crystal structure
What type are most natural diamonds? - CORRECT ANSWER >>>>>Type
Ia
What is a smooth, flat break in a crystal parallel to a cleavage plane? -
CORRECT ANSWER >>>>>Cleavage
What is a flat, triangular, twinned diamond crystal? - CORRECT ANSWER
>>>>>Macle
What types of point defects are found in diamonds? - CORRECT ANSWER
>>>>>Intrinsic defect and extrinsic defects
What influences light absorption, resulting in bodycolor? - CORRECT
ANSWER >>>>>Color center
What trace element can cause a violet color in diamonds? - CORRECT
ANSWER >>>>>Hydrogen-related defects
How does the energy emitted by a gem compare to the energy it absorbs?
- CORRECT ANSWER >>>>>Lower
