GIA Diamonds and Diamond Grading Final
Exam Questions with Complete Verified
Correct Detailed Answers latest update 2025
A bourse is a(n) --- correct precise answers ---diamond buying and selling
club.
A city, region, or country with a large number of gemstone manufacturers is
called a --- correct precise answers ---Cutting Center
In 2000, De Beers altered its consumer advertising by --- correct precise
answers ---introducing the "Forevermark" logo.
The diamond industry program designed to ensure that diamonds do not
fund civil conflict or terrorism is called --- correct precise answers ---The
kimberley process
The involvement of a business or industry in all aspects of its product's
market is called --- correct precise answers ---vertical integration.
By 2004, more than 90 percent of manufacturing for the diamond market
was done in --- correct precise answers ---India
,The program adopted by De Beers in 2007 to answer critics and resolve
shortcomings of its SOC program is called --- correct precise answers ---
Supplier of Choice 2.
Businesses that sell to consumers via television cable, phone line, or
satellite are called --- correct precise answers ---electronic retailers.
Most of the world's kimberlite pipes --- correct precise answers ---do not
contain diamonds in profitable quantities.
The proper environment for diamond formation includes the right
temperature, pressure and --- correct precise answers ---the availability of
carbon.
Scientists have found that diamonds form in two types of rocks, called ---
correct precise answers ---peridotite and eclogite.
Subduction occurs when --- correct precise answers ---two of the earth's
crustal plates collide.
During emplacement, if diamonds are exposed to high temperature along
with decreased pressure for a long period, they will --- correct precise
answers ---convert to graphite.
,Diamond is hard and graphite is soft because of the difference in --- correct
precise answers ---the way their atoms fit together.
The first authenticated diamond discovered in South Africa is named the ---
correct precise answers ---Eureka
The large, stable parts of the earth's continental crust are called --- correct
precise answers ---Cratons
Before arriving at the earth's surface, diamonds might remain in the mantle
for as long as a few --- correct precise answers ---Hundred Million Years
Diamonds were delivered to the earth's surface as recently as --- correct
precise answers ---20 Million years ago
The deep vertical formations through which diamonds traveled to the
surface are called --- correct precise answers ---Pipes
Diamond and graphite are both made of --- correct precise answers ---
Carbon
, The correct conditions for diamond formation exist under --- correct precise
answers ---Cratons
The three main components of the earth are the crust, mantle, and ---
correct precise answers ---Core
How far beneath the earth's surface do diamonds form? --- correct precise
answers ---90 to 140 miles (140 to 220 kilometers)
Only a small percentage of known diamond deposits are mined because most
--- correct precise answers ---Are not profitable
Diamond deposits found at the ocean's shore are --- correct precise answers
---marine deposits.
Diamonds are more concentrated in --- correct precise answers ---marine
deposits
Most of the diamonds mined today come from --- correct precise answers --
-pipes
The first step in exploring for diamonds is to --- correct precise answers ---
look for the oldest parts of the earth's crust.
Exam Questions with Complete Verified
Correct Detailed Answers latest update 2025
A bourse is a(n) --- correct precise answers ---diamond buying and selling
club.
A city, region, or country with a large number of gemstone manufacturers is
called a --- correct precise answers ---Cutting Center
In 2000, De Beers altered its consumer advertising by --- correct precise
answers ---introducing the "Forevermark" logo.
The diamond industry program designed to ensure that diamonds do not
fund civil conflict or terrorism is called --- correct precise answers ---The
kimberley process
The involvement of a business or industry in all aspects of its product's
market is called --- correct precise answers ---vertical integration.
By 2004, more than 90 percent of manufacturing for the diamond market
was done in --- correct precise answers ---India
,The program adopted by De Beers in 2007 to answer critics and resolve
shortcomings of its SOC program is called --- correct precise answers ---
Supplier of Choice 2.
Businesses that sell to consumers via television cable, phone line, or
satellite are called --- correct precise answers ---electronic retailers.
Most of the world's kimberlite pipes --- correct precise answers ---do not
contain diamonds in profitable quantities.
The proper environment for diamond formation includes the right
temperature, pressure and --- correct precise answers ---the availability of
carbon.
Scientists have found that diamonds form in two types of rocks, called ---
correct precise answers ---peridotite and eclogite.
Subduction occurs when --- correct precise answers ---two of the earth's
crustal plates collide.
During emplacement, if diamonds are exposed to high temperature along
with decreased pressure for a long period, they will --- correct precise
answers ---convert to graphite.
,Diamond is hard and graphite is soft because of the difference in --- correct
precise answers ---the way their atoms fit together.
The first authenticated diamond discovered in South Africa is named the ---
correct precise answers ---Eureka
The large, stable parts of the earth's continental crust are called --- correct
precise answers ---Cratons
Before arriving at the earth's surface, diamonds might remain in the mantle
for as long as a few --- correct precise answers ---Hundred Million Years
Diamonds were delivered to the earth's surface as recently as --- correct
precise answers ---20 Million years ago
The deep vertical formations through which diamonds traveled to the
surface are called --- correct precise answers ---Pipes
Diamond and graphite are both made of --- correct precise answers ---
Carbon
, The correct conditions for diamond formation exist under --- correct precise
answers ---Cratons
The three main components of the earth are the crust, mantle, and ---
correct precise answers ---Core
How far beneath the earth's surface do diamonds form? --- correct precise
answers ---90 to 140 miles (140 to 220 kilometers)
Only a small percentage of known diamond deposits are mined because most
--- correct precise answers ---Are not profitable
Diamond deposits found at the ocean's shore are --- correct precise answers
---marine deposits.
Diamonds are more concentrated in --- correct precise answers ---marine
deposits
Most of the diamonds mined today come from --- correct precise answers --
-pipes
The first step in exploring for diamonds is to --- correct precise answers ---
look for the oldest parts of the earth's crust.
