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Pink Star diamond sets new world record in Hong Kong

A rare diamond known as the Pink Star has been sold in Hong Kong for more than $71m (£57m), setting a new world record for any gemstone at auction.
The oval-shaped 59.6 carat stone was bought after just five minutes' bidding at Sotheby's, reports said.

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Sierra Leone pastor finds huge diamond in Kono

A Christian pastor has discovered one of the world's largest uncut diamonds in Sierra Leone's Kono district.
The diamond, weighing 709 carats, is now locked up in Sierra Leone's central bank in Freetown. It is one of the 20 largest diamonds ever found.
Freelance, or artisanal, miners are common in Sierra Leone's diamond-rich areas, reports the BBC's Umaru Fofana.

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Australia: Carbon dating reveals 2,000-year-old pearl

Archaeologists have said that a natural pearl unearthed in a remote part of western Australia is more than 2,000 years old.
The pearl is described as "irreplaceable" by one of the senior researchers on the project, as it's the only one ever recovered from an ancient site in Australia.

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Most ancient Jewellery in the world discovered in Croatia

Spoiler

This jewellery dates back to 130 thousand years ago and was discovered in the north of todays Croatia. That's long before modern humans appeared in Europe. It was crafted from eagle claws which were found more than a century ago. They bear multiple cut marks and signs and had also been polished. 



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Recent Advances in Understanding the Geology of Diamonds

It has been more than two decades since diamond ages have proven to be up to billions of years older than their host magmas of kimberlite or lamproite. Since then, there have been significant advances in the analysis of diamonds and their mineral inclusions, in the understanding of diamond-forming fluids in the mantle, and in the relationship of diamonds to the deep geology of the continents and the convecting mantle. The occurrence of natural diamonds is remarkable and important to earth studies. This article reviews current thinking of where, how, when, and why natural diamonds form. 
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Flawless diamond sells for record $26.7m at auction

A flawless diamond has set a world auction record, selling for $26.7m (£17.5m).
The rare Botswana-mined 101-carat diamond was sold at a Christie's auction in Geneva.

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Mining company in South Africa finds rare blue diamond

A rare blue diamond has been unearthed at a mine in South Africa.
The 25.5-carat stone was recovered by Petra Diamonds at its Cullinan mine and is expected to bring large profits.
Experts say it could be worth more than $10 (£6m), and the find gave a boost to Petra's share price.

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Princie Diamond
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Princie Diamond: Rare Indian gem may sell for a record

One of the largest pink diamonds in the world is to be auctioned on Tuesday by Christie's in New York for what experts say could be a record-breaking price.
The Princie Diamond is expected to sell for more than $45m, beating a 2010 record diamond sale of $44m in London.

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Archduke Joseph diamond
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'Perfect' Archduke Joseph diamond sells for $21m

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One of the world's most admired diamonds has been sold at auction for more than 20m Swiss francs ($21m;£13m). 
The 76-carat Archduke Joseph diamond, described as internally flawless, comes from India's famous Golconda mines.
The diamond was sold to an anonymous bidder by the Christie's auction house in Geneva.

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Tübingen Archaeologists Examine One of the Oldest Hoards Found in Europe

Jewellery and female figurines from Belica, Serbia, to be exhibited for the first time at Tübingen University Museum.

Archaeologists from the University of Tübingen's Institute of Prehistory are working with the Serbian Archaeological Institute in Belgrade to analyse the most comprehensive Early Neolithic hoard ever found. Work on the nearly 8000 year old collection of jewellery and figurines is funded by the Thyssen Foundation.
The unique hoard is comprised of some 80 objects made of stone, clay and bone.

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