Diamonds and Diamond Grading 1-4
questions and anwers
A diamond grading system provides✔✔a consistent way to communicate diamond
quality
Wholesaler✔✔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
Appraisal✔✔an estimation of the value of an article
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
Central Selling Organization (CSO)✔✔An agency designed to purchase, sort,
evaluate, and sell rough diamonds
, Digger✔✔An independent diamond prospector
Dry diggings✔✔A prospector's term for diamond deposits away from water
London Diamond Syndicate✔✔A group of diamond merchants that united in 1890 to
buy and sell rough diamonds
Diamond pipeline✔✔The path diamonds followed from the mine to the consumer
Sight✔✔Trading event where selected clients buy rough diamonds
Sightholder✔✔A diamond manufacturer or dealer invited by De Beers to buy rough
diamonds
Single-channel marketing-✔✔A direct, centrally controlled marketing route for rough
diamonds
Special✔✔A rough diamond over 10.80 cts., sold separately to a sightholder who
specializes in larger stones
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✔✔1860's
The Central Selling Organization 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 1930's was to✔✔shut down
operations at De Beers mines
questions and anwers
A diamond grading system provides✔✔a consistent way to communicate diamond
quality
Wholesaler✔✔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
Appraisal✔✔an estimation of the value of an article
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
Central Selling Organization (CSO)✔✔An agency designed to purchase, sort,
evaluate, and sell rough diamonds
, Digger✔✔An independent diamond prospector
Dry diggings✔✔A prospector's term for diamond deposits away from water
London Diamond Syndicate✔✔A group of diamond merchants that united in 1890 to
buy and sell rough diamonds
Diamond pipeline✔✔The path diamonds followed from the mine to the consumer
Sight✔✔Trading event where selected clients buy rough diamonds
Sightholder✔✔A diamond manufacturer or dealer invited by De Beers to buy rough
diamonds
Single-channel marketing-✔✔A direct, centrally controlled marketing route for rough
diamonds
Special✔✔A rough diamond over 10.80 cts., sold separately to a sightholder who
specializes in larger stones
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✔✔1860's
The Central Selling Organization 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 1930's was to✔✔shut down
operations at De Beers mines
