GIA Diamonds and Diamond Grading Final Exam Questions and Correct Answers. Complete Verified Solution 2024.
Substantial price discounts are available to retailers and jewelry manufacturers who
can buy in large quantities.
The diamond industry has changed dramatically in recent years because
t...
GIA Diamonds and Diamond Grading Final Exam Questions and Correct Answers. Complete Verified Solution 2024.
Substantial price discounts are available to retailers and jewelry manufacturers who
can buy in large quantities.
The diamond industry has changed dramatically in recent years because
the world's supply of diamond rough has increased.
A diamond grading system provides
a consistent way to communicate diamond quality.
Diamond's supreme hardness and durability are
a result of the conditions under which it formed.
Wholesale price lists are usually organized according to
specific combinations of the Four Cs.
An estimation of the value of an article is a(n)
appraisal
The most consistent and dependable sources of diamond grades are
reputable gemological laboratories.
A diamond's clarity and color grades indicate its
quality
Once diamond deposits are located, mining companies
must spend additional time and money to evaluate and develop them.
Large, high-quality diamonds are
graded much more thoroughly than small, low-quality ones.
Reputable gem laboratories don't grade mounted diamonds because
mountings hide details of clarity and cut.
A wholesaler is someone who
sells to retailers
Diamond prices on wholesale price lists
depend on the market conditions that exist when the lists are published.
Dealers often sort melee by size using
sieves
The Argyle mine in Australia contributed to
the rise of the cutting industry in India.
Sightholders purchase diamond rough by
attending invitation-only trading events.
Before the discovery of South Africa's diamond deposits, the world's two major producers were India and
Brazil
Cecil Rhodes' main competitor in his early attempts to control diamond production was
Barney Barnato The group that united in 1890 to buy and sell all of the output of the major diamond producers, including De Beers, was the
London Diamond Syndicate
Oppenheimer's answer to low diamond demand in the 1930s was to
shut down operations at De Beers mines.
In the diamond trade, the word "specials" refers to
diamond rough over 10.80 cts.
The Central Selling Organisation was a
rough diamond distribution agency.
The South African diamond rush was sparked by
the discovery of the Star of South Africa.
Diamond sources started appearing in South Africa during the
1860's
The path diamonds followed from mine to consumer was called the
diamond pipeline.
The Diamond Information Center and the Diamond Promotion Service were created to
assist in diamond marketing efforts.
The soft, diamond-bearing material near the surface of a diamond field was named
yellowground.
De Beers Consolidated Mines Ltd. was named after
the owners of a farm where one of the first diamond rushes took place.
Who established De Beers Consolidated Mines Ltd. in 1888?
Cecil Rhodes
De Beers requires its sightholders to have an excellent reputation in the industry and
the financial strength to make large purchase commitments.
Which diamond mine's huge production influenced the world market in the late 1980s?
Argyle
Because the Australians believed the CSO's marketing favored large stones over smaller ones, they
aggressively promoted jewelry set with their own tiny gems.
De Beers became a privately owned company in
May 2001
In South Africa, a new mining charter that designates the people of the country as
the owners of its mineral resources is a result of
Black Economic Empowerment.
A commitment to reserve a portion of the resources derived from any country for the economic development of that country is called
beneficiation
One of the changes that resulted from De Beers' strategic review in 1999 was that De Beers
changed the name of the CSO to the DTC. Vast quantities of small, inexpensive diamonds suitable for low-cost, mass-
market jewelry are mined in
Australia
A bourse is a(n)
diamond buying and selling club.
A city, region, or country with a large number of gemstone manufacturers is called a
Cutting Center
In 2000, De Beers altered its consumer advertising by
introducing the "Forevermark" logo.
The diamond industry program designed to ensure that diamonds do not fund civil conflict or terrorism is called
The kimberley process
The involvement of a business or industry in all aspects of its product's market is
called
vertical integration.
By 2004, more than 90 percent of manufacturing for the diamond market was done in
India
The program adopted by De Beers in 2007 to answer critics and resolve shortcomings of its SOC program is called
Supplier of Choice 2.
Businesses that sell to consumers via television cable, phone line, or satellite are
called
electronic retailers.
Most of the world's kimberlite pipes
do not contain diamonds in profitable quantities.
The proper environment for diamond formation includes the right temperature, pressure and
the availability of carbon.
Scientists have found that diamonds form in two types of rocks, called
peridotite and eclogite.
Subduction occurs when
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
convert to graphite.
Diamond is hard and graphite is soft because of the difference in
the way their atoms fit together.
The first authenticated diamond discovered in South Africa is named the
Eureka
The large, stable parts of the earth's continental crust are called
Cratons
Before arriving at the earth's surface, diamonds might remain in the mantle for as long as a few
Hundred Million Years
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