GIA DIAMONDS AND DIAMOND
GRADING FINAL Questions and
Answers Latest Versions 2025
GRADED A+
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.
GRADING FINAL Questions and
Answers Latest Versions 2025
GRADED A+
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.