Bonhams in London Sells 3.81-Ct Rare Oval-Cut Blue Diamond for $3 Million - September 2016

Auctioneer Bonhams has sold a rare oval-cut blue diamond weighing 3.81 carats for £2,322,500 ($3 million, or $792,450 per carat). The Fancy Intense blue diamond comes from a private British collection. Jean Ghika, Head of Jewellery for Bonhams UK & Europe, said: “Blue diamo...

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Rio Tinto’s Rare Pink, Red and Violet Diamonds on Display in Hong Kong - September 2016

Rio Tinto’s 2016 Argyle Pink Diamonds Tender is being showcased in Hong Kong against the backdrop of the annual Hong Kong Gems and Jewellery Fair. The 2016 Tender collection features 63 unique diamonds. The centerpiece of the collection is The Argyle Violet, the largest violet diamon...

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Top Quality Diamonds "Cannot Lose" as Investment - September 2016

Pin Lee, writing for the South China Morning Post, spoke with insiders from the Hong Kong and Asian diamond market to get their opinions on diamonds as an investment. While not without risk, as with any investment, by making a careful choice and focusing on the highest quality and rar...

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Kashmir Sapphires and Blue Diamond Set to Highlight at Bonhams London Sale - August 2016

A pair of Kashmir sapphires and a rare blue diamond are set to be the highlights of a Bonhams London sale as it starts the fall auction season with its Fine Jewellery auction on September 20. Headlining the sale is a oval-cut blue diamond weighing 3.81 carats. The Fancy Intense Blue diamon...

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Rare Diamonds an Investment Haven; Derivative Market Still Lacking - August 2016

"With new fortunes being created around the world faster than at any time in history," write David Brough and Atul Prakash for Reuters, "more of this expanding elite of wealthy investors are looking at different ways of protecting cash that now earns close to zero percent in...

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From Rough to Polished Diamond: Graff's Golden Empress - July 2016

Several years ago, famed diamond house Graff Diamonds came across an opaque 299-carat rough diamond from the Letšeng Mine in Lesotho, owned and operated by Gem Diamonds. HauteTime traces the journey of the 299-carat rough fancy intense yellow diamond into the 132-carat Golden E...

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Understanding Auctions of High-End Diamonds - July 2016

The Diamond Investment and Intelligence Center (DIIC) takes a look at the tactics of auction houses for promoting unique and high-end diamonds - particularly Fancy Color Diamonds - to maximize their value at auction. How do they attract their clients and what happens when, as we saw with...

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Lucara's 1,100-Ct Diamond Goes on Display at Sotheby's in London – June 2016

The largest diamond found in more than a century has been put on display at Sotheby's Bond Street headquarters in London ahead of it going under the hammer on June 29. The tennis ball size Lesedi la Rona, which weighs in at 1,109 carats and was found at Lucara Diamond Corp's Karowe mine in...

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'Cullinan Dream' Sells For $25.3M at Christie’s New York Magnificent Jewels Sale – June 2016

The 'Cullinan Dream' has taken over as the largest and most expensive fancy intense blue diamond ever sold at auction after going under the hammer at Christie’s New York Magnificent Jewels sale on Thursday for $25.3 million. Interestingly, however, after the high prices seen in recen...

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Argyle Holds Exclusive Preview of Pink Diamonds Tender in Copenhagen – June 2016

Rio Tinto has launched its 2016 Argyle Pink Diamonds Tender with a preview in Copenhagen against the backdrop of a rare Argyle pink diamond jewelry exhibition. The 2016 Argyle Pink Diamonds Tender includes 63 pink, red and violet diamonds and represents the finest of a year’s product...

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Christie's Sells Largest Ever Fancy Vivid Green Diamond for $17M, or $3.34M per ct – May 2016

The largest ever Fancy Vivid Green diamond – the “Aurora Green” - a rare 5.03-carat stone has been sold to Chow Tai Fook at Christie’s Magnificent Jewels auction in Hong Kong for nearly $17 million ($16,818,983), or $3.34 million per carat. The stone has VS2 cl...

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World's Largest Rough Diamond Visits Antwerp – May 2016

The 'Lesedi La Rona', which at 1,109 carats is the largest gem-quality rough diamond in the world, visited Antwerp yesterday, where it was revealed at the MAS Museum to a select crowd of approximately 120 diamantaires, dignitaries and friends of the industry. Hot topics of the afternoon co...

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Diamond Auctions Have the Blues: Christie’s to Sell 24.8 Carat Cullinan Dream – May 2016

"It’s a blue streak," writes JCK's Rob Bates, reporting on yet another exceptional blue diamond - this time the 24.8-carat Cullinan Dream - that will be hitting Christie's Magnificent Jewels auction block in New York  on June 9, 2016. "Extracted from the legendary...

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'Oppenheimer Blue' Diamond Sets World Auction Record at $58.2 Million – May 2016

The 14.62-carat “Oppenheimer Blue,” the largest fancy vivid blue diamond ever offered at auction, set a world auction record, selling for more than $58.2 million (including commission and fees) reports Anthony DeMarco of Forbes. "The rectangular-shaped gem, with a hig...

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Sotheby’s Sells 'Unique Pink' Diamond For Record $31.6 Million – May 2016

A new world record for any jewelry auction was set on Tuesday when Sotheby’s sale of Magnificent Jewels and Noble Jewels in Geneva generated sales of $175.1 million, led by the 'Unique Pink', a fancy vivid pink diamond weighing 15.38 carats that sold for $31,561,200, or $2,052,094 pe...

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World’s Largest Rough Diamond to Make Tour Stop in Antwerp – May 2016

At 1,109 carats, the Lesedi La Rona diamond that Canadian miner Lucara Diamond unearthed at its Karowe Mine in Botswana in November 2015 ranks second among the largest rough diamonds ever discovered, and as a Type IIa stone, it is also of the highest gem quality. Antwerp World Diamond Cent...

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Lucara Achieves Highest Price Ever for Rough Diamond: $63 Million – May 2016

Lucara Diamond Corp. has sold its 813 carat diamond for $63 million, the highest price ever achieved for the sale of a rough diamond. The exceptional 812.77 carat, Type IIa diamond recovered from the Karowe mine in Botswana in November 2015 sold for $63,111,111, or $77,649 per carat. As pa...

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Christies to Sell 'World’s Largest Green Diamond' in Hong Kong – May 2016

The auctioneer says it will put the 'Aurora Green,' the world’s largest green diamond, on the block in Hong Kong at a May 31 sale. The rare radiant-cut 5.03-carat fancy vivid green diamond has VS2 clarity and no fluorescence and is likely to be the highlight of Christie’s Magni...

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Rio Tinto Unveils "Impossibly Rare" Violet Diamond - May 2016

Rio Tinto’s Argyle Pink Diamonds business has unveiled the largest violet diamond recovered from the Argyle mine in Western Australia. The 2.83 carat polished oval shaped diamond, known as The Argyle Violet, will be the dazzling centrepiece of the 2016 Argyle Pink Diamonds Tender, ...

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De Beers' "Millennium Jewel 4" Blue Diamond Sells for $31.8 Million - April 2016

A 10.10 carat blue diamond, named "De Beers Millennium Jewel 4", went under the hammer today at Sotheby's in Hong Kong, selling for $31.8 million. It had already clinched the title of largest Oval Fancy Vivid blue diamond to ever appear at auction, and has now broken the record f...

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