The Ten Largest Diamond Manufacturers and Traders in the World
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The diamond trade brings hundreds
of thousands of people together from all around the globe. From individual
miners cutting up rocks in search of the elusive gem, to the corporations that
employ them, to the dealers that aggregate the diamonds, sort them, and ship
them to dealers and jewelers who turn them into classic artifices of beauty
before reaching their final destiny to the people who buy them.
This article will provide a list
of the diamond companies who have the biggest impact on the worldwide trade of
diamonds, whether they're manufacturers or traders.
Privately-Held Largest Retail Diamond Companies: 
James Allen is the second largest privately-held retail diamond company in the world. The company was sold for $328 millions dollars to Signet in 2017. The company's 360-degree technology provides a virtual showroom experience for every single diamond to their clients. James Allen standout for their customer service and cutting-edge technology.
Blue Nile is the largest diamond retail e-commerce company
in the world. The company was founded in 1999 and has grown significantly over
the years. Moreover, Blue Nile can be in part credited for transforming the
online diamond industry. The company had $480 million revenue in 2015 and 450
employees in 2018. It was awarded the Bizrate Circle of Excellent Award in
2016.
The list of largest diamond manufacturers is as follows...
10. Rockwell Diamonds
Barely large enough to qualify as
a top-tier diamond mining company, most of their holdings are in the southern
part of Africa, one of the world's richest areas of diamond production. All though
Rockwell's holdings are insufficient to qualify it as part of the world's
largest diamond companies, the company fame came from a high media profile
after a private holdings group attempted a hostile takeover. Fortunately for
those at Rockwell Diamonds the attempt failed, however, making the company on
the list as its rising and becoming more popular.
9. Anglo American plc
Having two headquarters one
located in Johannesburg, South Africa, and the other in London, England, Anglo
American plc does more than just produce diamonds. While they are among the
world's largest diamond mining companies, they are also the world's single
largest producer of another precious material: platinum. They also have
interests in the production of a number of other materials, including copper
and gold. However, their diamond production remains among the highest on the
planet, and they own a number of the world's richest mines, primarily in
southern Africa.
8. Gem Diamonds
Based in England, Gem Diamonds nonetheless
operates worldwide, as any diamond company must be to achieve enough holdings
to make it onto this list. It is notable because only a year after its
founding, it announced the finding of an unusually large diamond, at 600 carats
making one of the largest diamonds found in the last 25 years. This put the
company on the map, and it has grown exponentially ever since. It currently
maintains mines and operates labs in a number of different countries, including
Angola, Australia, Botswana, Indonesia, Lesotho, and the Democratic Republic of
the Congo.
7. Petra Diamonds
Originally focused almost
entirely on exploration (finding new sources of diamonds), this company has in
recent years shifted its focus towards the production of diamonds (the mining
and cutting of rough diamonds). They currently own shares of eight diamond
mines, including 5 of the world's largest and most productive mines. They still
currently engage in exploration in Botswana, though that does not remain their
largest focus. Most of their mines are also in the rich region of southern
Africa; in addition they have recently expressed interest in expanding their
operations elsewhere.
6. Lucara
This Canadian diamond company was
struggling as it lost 26% of its overall value in recent years. But that
fortune changed overnight recently, when a mine owned by the company uncovered
the largest diamond found in over a century. Weighing in 1,111 carats raw, this
gem-quality stone added nearly $150 million to the value of the company, as
their stock skyrocketed. The diamond is so large that it did not fit into the
scanners owned by the company, and it had to be shipped to a world diamond
market located in Europe to be properly assessed. Thus, little is still known
about this already-famous diamond.
5. Dominion Diamond
Corporation
Based in Toronto, Canada,
Dominion Diamond Corporation reported $700 million in revenue in 2012. They
were originally known as the Harry Winston Diamond Corporation. Today, they
operate mines in Canada, the most well-known is the Diavik diamond mine located
in Lac de Gras. The Rio Tinto Group, another company on this list, helps to
operate that mine with Dominion Diamonds, although Dominion still owns the
rights and property of the entire mine. The company was specifically founded to
mine the Diavik mine, and was established in 1994 when the mine was discovered
to produce diamonds.
4. Debswana Diamond
Company, Ltd.
One of the few companies with
headquarter located outside the Western world, located in Botswana the Company
operates four mines in the country. These mines are the Orapa, Letlhakane,
Jwaneng and Damtshaa mines. Unlike other mining companies, which frequently are
targets of calls from human rights activists worried about 'blood diamonds,'
this company has actually proven to be a powerhouse in the growth of the
Botswanian economy. Bitswana was once one of the poorest nations on earth,
today while it is far from the richest it has one of the world's
fastest-growing economies. Debswana is a major part of that growth.
3. Rio-Tinto Diamonds
With over $4 billion in revenues,
the top companies on this list include Rio-Tinto Diamonds. Rio-Tinto is unlike
many other diamond companies, it is a mine-to-market company, meaning that a
diamond can go from sitting in the ground to sitting in a jewelers' display
case, all under the supervision of a single company. They operate on five of
the seven continents. They own three mines, including one in Australia that is
known as the world's major producer of pink diamonds.
2. ALROSA
If De Beers is the household name
when it comes to diamond companies, ALROSA is its Russian counterpart. They
reported $4.4 billion in revenues in 2012, and most of their success in becoming
the world's largest diamond company comes from the discovery of a single mine
in Russia, to which ALROSA claim full ownership. That mine alone is thought to
contain almost $4 billion in diamonds, and ALROSA has the exclusive right to
mine it. All of their mines are in Russia, and most of their mining operations
take place in the frozen steppes of Siberia.
1. De Beers
This is the giant, the household
name, the standard against which all other diamond manufacturers are measured.
Reporting $6.1 billion in revenues in 2012, De Beers has been around for a
century and a quarter. As many critics claim the company was originally founded
with the intentions to control the world diamond supply, so that the company is
the owner of the diamonds, rather than market forces. Eventually, the company decided
the prices of the diamonds themselves. They were thus called a 'diamond
cartel,' and those accusations have followed it down to the present day.
However, in recent years it has come to light that De Beers does not have the
control over the world?s resources as they were thought to have.
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