Diamond & Diamond Grading Exam Latest
Update 2024-2025 Actual Exam from Credible
Source with 470 Questions and 100% Verified
Detailed Correct Answers Guaranteed A+
Approved by Professor
______ of diamonds depend on the market conditions that exist when the lists are
published - CORRECT ANSWER: the listed wholesale prices
A bourse is a(n)... - CORRECT ANSWER: diamond buying and selling club
A city, region or country with a large number of gemstone manufacturers is called a... -
CORRECT ANSWER: cutting center
A diamond grading system provides... - CORRECT ANSWER: a consistent way to
communicate diamond quality
A diamond's clarity and color grades indicate its... - CORRECT ANSWER: quality
a diamonds face up pattern reveals... - CORRECT ANSWER: almost all of the cutters
fashioning choices
A diamonds specific formation conditions are directly responsible for it's ________ -
CORRECT ANSWER: it's hardness and durability.
a fashioned diamonds optical display is meant to be seen... - CORRECT ANSWER:
face up and in motion
a mining company must consider a potential mines... - CORRECT ANSWER: location,
climate and political conditions
,A wholesaler is someone who... - CORRECT ANSWER: sells to retailers.
Abrasion (Abr) - CORRECT ANSWER: A series of minute nicks along the facet junctions
of a fashioned diamond; gives the edges a white or fuzzy appearance. (Assignment 10)
Abundant South African diamond sources appeared in XXXX, just when diamond
demand broadened. - CORRECT ANSWER: The late 1800's
Adamantine luster - CORRECT ANSWER: The highest degree of luster possible in a
transparent material. (Assignment 8)
admantine luster - CORRECT ANSWER: the highest degree of luster possible in a
transparent material
African diamonds are recovered from... - CORRECT ANSWER: alluvial, pipe and
marine deposites
Aggregate - CORRECT ANSWER: A solid mass of individual, randomly oriented
crystals, intergrown or held together by a natural binding agent. (Assignment 7)
agrregate - CORRECT ANSWER: a solid mass of individial, randomly oriented crystals,
intergrown or held together by a natural bind agent
Alluvial deposit - CORRECT ANSWER: A deposit where gems are eroded from their
source rock, then transported away from the source and further concentrated.
(Assignment 5)
An estimation of the value of an article is a(n)... - CORRECT ANSWER: appraisal
Angle of incidence - CORRECT ANSWER: The angle at which a ray of light strikes a
surface, measured from the normal. (Assignment 8)
,angle of incidence - CORRECT ANSWER: the angle at which a ray of light strikes a
surface, mesasured from the normal
angle of reflection - CORRECT ANSWER: the angle between the mornal and a reflected
ray of light
Angle of reflection - CORRECT ANSWER: The angle between the normal and a
reflected ray of light. (Assignment 8)
Annealing - CORRECT ANSWER: Using heat to stabilize irradiated color in gemstones.
(Assignment 12)
another name for the cubic crystal system is... - CORRECT ANSWER: isometric
Appraisal - CORRECT ANSWER: An estimation of the value of an article, usually for
insurance purposes. (Assignment 1)
Are diamonds more concentrated in primary deposits or marine deposits? - CORRECT
ANSWER: Primary deposits!
Argyle mine is famous for... - CORRECT ANSWER: producing rare and valuable pink
diamonds
atoms in a gem that arent part of its essential chemical composition are called... -
CORRECT ANSWER: trace elements
Average girdle diameter - CORRECT ANSWER: The result achieved by adding the
smallest and largest girdle measurements of a round brilliant and dividing by two.
(Assignment 14)
Bast - CORRECT ANSWER: Frosted rough diamond. "Bark" in Dutch. (Assignment 9)
, Bearded Girdle (BG) - CORRECT ANSWER: Very small feathers that extend from the
girdle surface into the stone; can result from the cutting process. (Assignment 10)
Because the Australians believed the CSO's marketing favored large stones over
smaller ones, they... - CORRECT ANSWER: aggressively promoted jewelry made with
their own tiny gems
Before the discovery of South Africa's diamond deposits, the world's two major
producers were... - CORRECT ANSWER: India and Brazil
Belly - CORRECT ANSWER: The slightly curving center of the long side of a pear,
marquise, heart, or oval. (Assignment 16)
Beneficiation - CORRECT ANSWER: A commitment to reserve a portion of the
resources derived from any country for the economic development of that country.
(Assignment 3)
Beneficiation helps countries exercise greater control over... - CORRECT ANSWER:
their natural mineral resources
Best Practices Principles (BPP) - CORRECT ANSWER: De Beers' formalized
commitment of itself and its sightholders to the highest ethical standards. (Assignment
3)
Blemish - CORRECT ANSWER: Clarity characteristic that's confined to the surface of a
polished gemstone. (Assignment 10)
Block caving - CORRECT ANSWER: Underground mining that involves building a
concrete-lined tunnel under an ore deposit, then collecting the ore through openings in
the liner. (Assignment 6)
Update 2024-2025 Actual Exam from Credible
Source with 470 Questions and 100% Verified
Detailed Correct Answers Guaranteed A+
Approved by Professor
______ of diamonds depend on the market conditions that exist when the lists are
published - CORRECT ANSWER: the listed wholesale prices
A bourse is a(n)... - CORRECT ANSWER: diamond buying and selling club
A city, region or country with a large number of gemstone manufacturers is called a... -
CORRECT ANSWER: cutting center
A diamond grading system provides... - CORRECT ANSWER: a consistent way to
communicate diamond quality
A diamond's clarity and color grades indicate its... - CORRECT ANSWER: quality
a diamonds face up pattern reveals... - CORRECT ANSWER: almost all of the cutters
fashioning choices
A diamonds specific formation conditions are directly responsible for it's ________ -
CORRECT ANSWER: it's hardness and durability.
a fashioned diamonds optical display is meant to be seen... - CORRECT ANSWER:
face up and in motion
a mining company must consider a potential mines... - CORRECT ANSWER: location,
climate and political conditions
,A wholesaler is someone who... - CORRECT ANSWER: sells to retailers.
Abrasion (Abr) - CORRECT ANSWER: A series of minute nicks along the facet junctions
of a fashioned diamond; gives the edges a white or fuzzy appearance. (Assignment 10)
Abundant South African diamond sources appeared in XXXX, just when diamond
demand broadened. - CORRECT ANSWER: The late 1800's
Adamantine luster - CORRECT ANSWER: The highest degree of luster possible in a
transparent material. (Assignment 8)
admantine luster - CORRECT ANSWER: the highest degree of luster possible in a
transparent material
African diamonds are recovered from... - CORRECT ANSWER: alluvial, pipe and
marine deposites
Aggregate - CORRECT ANSWER: A solid mass of individual, randomly oriented
crystals, intergrown or held together by a natural binding agent. (Assignment 7)
agrregate - CORRECT ANSWER: a solid mass of individial, randomly oriented crystals,
intergrown or held together by a natural bind agent
Alluvial deposit - CORRECT ANSWER: A deposit where gems are eroded from their
source rock, then transported away from the source and further concentrated.
(Assignment 5)
An estimation of the value of an article is a(n)... - CORRECT ANSWER: appraisal
Angle of incidence - CORRECT ANSWER: The angle at which a ray of light strikes a
surface, measured from the normal. (Assignment 8)
,angle of incidence - CORRECT ANSWER: the angle at which a ray of light strikes a
surface, mesasured from the normal
angle of reflection - CORRECT ANSWER: the angle between the mornal and a reflected
ray of light
Angle of reflection - CORRECT ANSWER: The angle between the normal and a
reflected ray of light. (Assignment 8)
Annealing - CORRECT ANSWER: Using heat to stabilize irradiated color in gemstones.
(Assignment 12)
another name for the cubic crystal system is... - CORRECT ANSWER: isometric
Appraisal - CORRECT ANSWER: An estimation of the value of an article, usually for
insurance purposes. (Assignment 1)
Are diamonds more concentrated in primary deposits or marine deposits? - CORRECT
ANSWER: Primary deposits!
Argyle mine is famous for... - CORRECT ANSWER: producing rare and valuable pink
diamonds
atoms in a gem that arent part of its essential chemical composition are called... -
CORRECT ANSWER: trace elements
Average girdle diameter - CORRECT ANSWER: The result achieved by adding the
smallest and largest girdle measurements of a round brilliant and dividing by two.
(Assignment 14)
Bast - CORRECT ANSWER: Frosted rough diamond. "Bark" in Dutch. (Assignment 9)
, Bearded Girdle (BG) - CORRECT ANSWER: Very small feathers that extend from the
girdle surface into the stone; can result from the cutting process. (Assignment 10)
Because the Australians believed the CSO's marketing favored large stones over
smaller ones, they... - CORRECT ANSWER: aggressively promoted jewelry made with
their own tiny gems
Before the discovery of South Africa's diamond deposits, the world's two major
producers were... - CORRECT ANSWER: India and Brazil
Belly - CORRECT ANSWER: The slightly curving center of the long side of a pear,
marquise, heart, or oval. (Assignment 16)
Beneficiation - CORRECT ANSWER: A commitment to reserve a portion of the
resources derived from any country for the economic development of that country.
(Assignment 3)
Beneficiation helps countries exercise greater control over... - CORRECT ANSWER:
their natural mineral resources
Best Practices Principles (BPP) - CORRECT ANSWER: De Beers' formalized
commitment of itself and its sightholders to the highest ethical standards. (Assignment
3)
Blemish - CORRECT ANSWER: Clarity characteristic that's confined to the surface of a
polished gemstone. (Assignment 10)
Block caving - CORRECT ANSWER: Underground mining that involves building a
concrete-lined tunnel under an ore deposit, then collecting the ore through openings in
the liner. (Assignment 6)
