GIA Diamonds & Diamond Grading -
Tigran Mujukian | Latest 2025/26
,A diamond grading system provides - a consistent way to communicate diamond quality 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
Large, high-quality diamonds are - graded much more thoroughly than small, low- quality ones
Diamond's supreme hardness and durability are - a result of the conditions under which it formed
Once diamond deposits are located, mining companies - must spend additional time and money to
evaluate and develop them
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
Substantial price discounts are available to retailers and jewelry manufacturers who - can buy in large
quantities
A diamond's clarity and color grades indicate its - quality
Reputable gemological laboratories don't grade mounted diamonds because - mountings hide details
of clarity and cut
Dealers often sort melee by size using - sieves
The diamond industry has changed dramatically in recent years because - the world's supply of
diamond rough has increased
The Argyle mine in Australia contributed to - the rise of the cutting industry in India
Wholesale price lists are usually organized according to - specific combinations of the Four C's
Before the discovery of South Africa's diamond deposits, the world's two major producers were India
and - Brazil
, Diamond sources started appearing in South Africa during the - 1860s
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
The soft, diamond-bearing material near the surface of a diamond field was named - yellowground
Cecil Rhodes' main competitor in his early attempts to control diamond production was - Barney
Barnato
Who established De Beers Consolidated Mines Ltd. in 1888? - Cecil Rhodes
De Beers Consolidated Mines Ltd. was named after - the owners of a farm where one of the first
diamond rushes took place
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
The Diamond Information Center and the Diamond Promotion Service were created to - assist in
diamond marketing efforts
The path diamonds followed from mine to consumer was called the - diamond pipeline Sightholders
purchase diamond rough by - attending invitation-only trading events
De Beers requires its sightholders to have an excellent reputation in the industry and - the financial
strength to make large purchase commitments
In the diamond trade, the word "specials" refers to - diamond rough over 10.80 cts
Which diamond mine's huge production influenced the world market in the late 1980s? - Argyle
A commitment to reserve a portion of the resources derived from any country for the economic
development of that country is called - beneficiation
A city, region, or country with a large number of gemstone manufacturers is called a - cutting center
Tigran Mujukian | Latest 2025/26
,A diamond grading system provides - a consistent way to communicate diamond quality 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
Large, high-quality diamonds are - graded much more thoroughly than small, low- quality ones
Diamond's supreme hardness and durability are - a result of the conditions under which it formed
Once diamond deposits are located, mining companies - must spend additional time and money to
evaluate and develop them
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
Substantial price discounts are available to retailers and jewelry manufacturers who - can buy in large
quantities
A diamond's clarity and color grades indicate its - quality
Reputable gemological laboratories don't grade mounted diamonds because - mountings hide details
of clarity and cut
Dealers often sort melee by size using - sieves
The diamond industry has changed dramatically in recent years because - the world's supply of
diamond rough has increased
The Argyle mine in Australia contributed to - the rise of the cutting industry in India
Wholesale price lists are usually organized according to - specific combinations of the Four C's
Before the discovery of South Africa's diamond deposits, the world's two major producers were India
and - Brazil
, Diamond sources started appearing in South Africa during the - 1860s
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
The soft, diamond-bearing material near the surface of a diamond field was named - yellowground
Cecil Rhodes' main competitor in his early attempts to control diamond production was - Barney
Barnato
Who established De Beers Consolidated Mines Ltd. in 1888? - Cecil Rhodes
De Beers Consolidated Mines Ltd. was named after - the owners of a farm where one of the first
diamond rushes took place
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
The Diamond Information Center and the Diamond Promotion Service were created to - assist in
diamond marketing efforts
The path diamonds followed from mine to consumer was called the - diamond pipeline Sightholders
purchase diamond rough by - attending invitation-only trading events
De Beers requires its sightholders to have an excellent reputation in the industry and - the financial
strength to make large purchase commitments
In the diamond trade, the word "specials" refers to - diamond rough over 10.80 cts
Which diamond mine's huge production influenced the world market in the late 1980s? - Argyle
A commitment to reserve a portion of the resources derived from any country for the economic
development of that country is called - beneficiation
A city, region, or country with a large number of gemstone manufacturers is called a - cutting center
