Jan Huts, Senior Diamantaire - CEO Tel: +32 479 28 12 13
Antwerp World Diamond Center, Diamond Exchange Diamantkring - Hoveniersstraat 2, BE-2018 Antwerp / Belgium / Europe 
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Are big diamonds rare or not?
A very good investment if you know how to buy !

Don't think you can buy diamonds just cut at your size.
Diamonds are very rare!

The yearly world production of cut rarest diamonds with
Color: Exceptional White + (D) 
Clarity: Loupe Clean (IF) 
Weight: from 1 to 1.39 Carat,
is less than 900 Carat per year !

That means that - all together - there are about 750 stones available only!

To produce these 750 diamonds, the mining companies have to dig more than 800,000,000 Ton of Kimberlite.
(Kimberlite are the rocks in which rough diamonds are found)

That makes the prices of rough and cut diamonds expansive and explains also the rareness of them on the market.

Read about the rarest diamonds and most expensive Fancy Color Diamonds

Diamond prices increase about 15 % per year since 1949!
Investing in diamonds is still very good. 
You just must take care about some important details
 
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Antwerp, 21 October 2012
The Argile mine in Australia is exhausted and will close shortly. The Argile mine is famous for his beautiful pink diamonds

Antwerp, 20 September 2010
Another exceptional rough diamond of 196 Carat is found in the Letseng Legacy mine on 24 August 2010

Antwerp, 29 September 2009
Again an exceptional rough diamond of 507-carat (exactly 507.55 Ct) is unearthed last week at the Cullinan mine in South Africa (where the famous Cullinan diamond was discovered in 1905)
This remarkable diamond will yield a record-breaking polished stone of the very best white colour and clarity.

Antwerp, April 3 2009
One of the rarest fancy vivid blue diamond, cut from the 26.58 carat rough stone was discovered in 2008 at Petra Diamonds’ Cullinan diamond mine in South Africa. This is one of the rarest blue diamonds ever found on earth. It is an internally flawless, cushion-shaped diamond weighing 7.03 carats.Expected to be sold at $5.8 to 8.5 million on Sotheby’s auction in May 2009 at Geneva View picture of this blue diamond This rare blue diamond discovered at the same Cullinan mine, last April 2009, was sold at auction in Hong Kong for a world record of more than US $ 10’000’000,00

Antwerp, March 21 2009
A small South Africa mining firm says it has unearthed world's largest diamond, with a size which is purported to be 7000 carats.
There is no information about the reported diamond find but I have my doubts that it is real - 
Fake or real? Find out here
Read also at http://www.diamondsnews.com

Antwerp, September 21 2008
Again a very large diamond of 478 carats has been found on 21 September 2008 at the Letseng mine in Lesotho... This rare stone seems be be of exceptional white color (D) and Loupe Clean. His value value is estimated at several millions of dollars.
Probably this exceptional diamond will be cut by the most famous cutters in Antwerp, World Diamond Center.
To cut and polish this stone it can take about 2 years!

Antwerp 14nth November 2007
An exceptional 493 carat rough diamond (view image), D Color, named 
The Letseng Legacy, digged out of the Lesotho mine in South Africa, 
is sold today in Antwerp for 7.5 million Euro / US$ 10.4 million. 
It will be cut by Antwerp skilled cutters.

Antwerp 9nth March 2007 
Record yellow diamond found in Western Australia
Kimberley Diamond found an 18.5-carat yellow diamond at its 
Ellendale Pipe 4 in Western Australia, the biggest ever found at the mine.
[AFNS] 09-03-2007 – Kimberley Diamond found an 18.5-carat yellow diamond 
at its Ellendale Pipe 4 in Western Australia, the biggest ever found at the mine. 
The average size of rough stones found at the Ellendale 4 Pipe has risen from 0.14 to 0.16 carats up to 0.21 carats as of February. 
The previous record setter at Ellendale was a 14 carat diamond that sold for more than $400,000. One large stone found at Ellendale 4 in January weighed 12.4 carats, and there were nine other stones weighing more than 6 carats each found the same month.

Antwerp 26nth January 2007
Lesotho has announced the recovery of another big diamond of 216 carat white D color diamond at Leteng

Antwerp, 9nth October 2006
The biggest diamond of the 21nth century is found today in a Lesotho mine in South Africa

The weight of this stone is a 603 Carats uncut (rough) diamond named Promise of Lesotho. 
This diamond is of an exceptional white color but the clarity is not as good as the famous Cullinan, a diamond of 3,106.75 carats.
The Promise of Lesotho was sold in Antwerp, the International and World Diamond Center, on Monday 9nth October 2006 to a South African Investment company to the price of US $ 12,360,000.00
The Promise of Lesotho will be cut and polished in Antwerp. The cutter could be Johnny Kneller...
Biggest, largest diamond found on Earth / World - Read about different largest diamonds, 
biggest deepest diamond mine, largest open diamond mine. 
Biggest diamond found out of Earth - Images
This page was last updated on: July 12, 2014
The Biggest diamond is found out of Earth
By Stephen Cauchi, Science Reporter, February 18, 2004

Confirming what the Beatles always knew, astronomers have actually found a diamond in the sky - directly above Australia. It is the biggest known diamond in the universe, in fact.
According to American astronomers at the Harvard-Smithsonian Center for Astrophysics, a white dwarf star in the constellation of Centaurus, next to the Southern Cross, has been found to have a 3000-kilometer-wide core of crystallized carbon, or diamond.
It weighs 2.27 thousand trillion trillion tonnes - that's 10 billion trillion trillion carats, or a 1 followed by 34 zeroes. The biggest earthly jewel is one of the British crown jewels, the 530-carat Star of Africa.
However, this cosmic jewel is hidden beneath a layer of hydrogen and helium gases, with the diamond core making up between 50 and 90 per cent of its mass. "It's the mother of all diamonds," said astronomer Travis Metcalfe, who led the team of researchers that studied the star.
"Some people refer to it as Lucy, in a tribute to the Beatles song Lucy in the Sky with Diamonds."
Known officially as BPM 37093, the star confirms a theory, first raised in the early 1960S, that cool white dwarfs should have a diamond core. 

A white dwarf is what small stars, those up to about the size of the sun, turn into when they run out of nuclear fuel and die.
The intense pressures at the heart of such dead stars compress the carbon into diamond.
But confirming this theory has only been possible recently.
Lucy "pulsates", which means its light fluctuates at regular intervals. "By measuring these pulsation’s, we were able to study the hidden interior of the white dwarf, just like seismograph measurements of earthquakes allow geologists to study the interior of the Earth," Dr Metcalfe said. 
"We figured that the carbon interior of this white dwarf has solidified to form the galaxy's largest diamond."
This means that other white dwarfs must also have diamond cores. Our own sun will become a white dwarf when it dies in 5 billion years. Two billion years after that, its ember core will crystallize as well, leaving a giant diamond in the center of our solar system.
Vince Ford, a research officer at Mount Stromlo Observatory near Canberra, said astronomers, including Australians, had observed the star for more than eight years.
The star is about 50 light-years away (500 trillion kilometers) - a fair distances as far as stars go. This means it is about 400 times too faint to see with the naked eye.
Source: http://www.theage.com.au/
Biggest diamond mine in the world
biggest diamond mine Mirny image
The biggest open diamond mine in the world is located in Mirny in East Siberia, Russia
Look at the city to feel the scale of the hole.
Source image: JavaFAQ
Buy now famous Antwerp diamonds according to your budget
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View picture of the largest rough diamond ever found 
The biggest diamond is the Cullinan of more than 3000 carats
World's biggest, largest rough diamonds wholesale market is in Antwerp, Diamond Exchange Antwerpsche Diamantkring
The largest polished diamond is the Golden Jubilee of 545.67 carats or 109,13 gram Calculate the value of big diamonds
The second biggest diamond in the World is set in a British crown jewel.
This diamond has a weight of 530 Carat and is named Star of Africa.
The biggest diamond found out of Earth...   

The biggest diamond mines in the world:
The largest, deepest diamond mine in the world is the Argyle Diamond Mine in Australia producing various colored diamonds.
The biggest, largest open diamond mine in the world is located in Mirny, Russia, East Siberia. View images below
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Antwerp World Diamond Center, Diamond Exchange, Hoveniersstraat 2, Antwerp / Belgium / Europe