Archive

  • Canadian diversified junior mining company Tango Mining has sold a 42.26 carat diamond recovered from run of mine (ROM) gravel in the alluvial Oena Diamond Mine in the Republic of South Africa for $476,143, or $11,267 per carat, on tender at the Kimberley Diamond Exchange. 

  • Gem Diamonds Limited (LSE: GEMD) recoverd a 100.5 carat, top white color Type IIa diamond from the Letšeng mine in Lesotho, the eleventh diamond of over 100 carats in 2018. Just past the halfway mark of the year, Gem Diamonds has already surpassed its large diamond recovery from 2017 (8), more than doubles that of 2016 (5) and is the first time they have recovered 11 such stones since 2015. It is the first in +100 recovery in H2 of 2018, following a remarkable string of recoveries in the first half of the year. The miner dug up its 10th massive gem in early June: a 102-carat diamond.

  • Australian-listed Lucapa Diamond Company Limited recovered an 89.75-carat yellow diamond from the Mothae Diamond Project in Lesotho. The diamond was recovered from the current bulk sampling program at Mothae as construction of the new 150 ton-per-hour commercial diamond plant continues on schedule for H2 2018 commissioning, the company said.

  • Lucara Diamond Corp.,a leading producer of large exceptional quality Type IIa diamonds from its 100% owned Karowe Mine in Botswana, achieved $32.48 million at its 12th Exceptional Stone Tender which concluded yesterday. The tender consisted of 10 single stone lots, ranging from 472.37 to 40.4 carats in size, totaling 1,453.06 carats and included two diamonds greater than 300 carats.

  • Lucara Diamond Corp. will be holding its first Exceptional Stone Tender of 2018, faciliated by tender house Bonas, on June 19. Viewings will take place starting June 10 in Gabarone, Botswana. The tender consists of 10 single stones ranging from 40.40 carats to 472.37 carats in size, including a 327 carat diamond, alongside other qualifying diamonds that have been recovered since the start of the year. Click through to view the catalogue of superior stones.

  • Sotheby's Magnificent Jewels and Noble Jewels auction held in Geneva yesterday, May 15, certainly lived up to its name, as the historic Farnese Blue diamond - given in 1715 by the Philippines to the Queen of Spain Elisabeth Farnese, wife of King Philip V of Spain - smashed its pre-sale estimate of $3.7 to $5.3 million, earning $6.7 million at the fall of the hammer. It was the first time the exceptional 6.16-carat, pear-shaped, fancy dark grey-blue, SI1-clarity stone had ever appeared on the market, after having remained in the same family for over three centuries.

  • Lucara Diamond Corp. has recovered a 327 carat, top white gem diamond from its 100% owned Karowe Diamond Mine located in Botswana. Eight diamonds greater than 100 carats have now been recovered at Karowe since the beginning of the year, including the 472 carat diamond announced earlier this month.

  • Lucara Diamond Corp. today announced the recovery of a 472 carat, top light brown gem diamond, the third largest diamond ever recovered from its 100% owned Karowe Diamond Mine located in Botswana. CEO, Eira Thomas comments, “In 2018, mining at Karowe is focused in the high value south lobe, which consistently delivers large, high quality diamonds in excess of 10.8 carats in size.

  • Sotheby's Magnificent Jewels and Noble Jewels auction to be held in Geneva on 15 May will feature some remarkable diamonds, most notably two large D flawless diamonds, each weighing over 50 carats, and the historic and highly important Farnese Blue, a Fancy Dark Grey-Blue diamond weighing 6.16 carats. Both of the diamonds belong to the highly rarefied sub-category of Type IIa diamonds, which make up just 2% of gem diamonds and boast the highest optical transparency. The first

  • One of the foremost historic diamonds – The Farnese Blue – will appear on the market for the first time in history this spring, after having remained in the same family for over three centuries, according to a press release from Sotheby's auction house. The existence of the diamond was apparently unknown until recently, except for the relatives of the family and its jewellers.

  • Gem Diamonds this morning announced the sale of the "Lesotho Legend": the exceptional quality 910 carat D colour Type IIa diamond recovered from the Letšeng mine in January 2018 achieved a price of US$40 million on tender in Antwerp on 12 March, 2018. It is the fifth largest gem-quality diamond ever recovered in history and the third largest in a century.

  • Diamonds and other precious stones forming part of a Czech National Museum collection in Prague, assumed to be worth millions of dollars, were discovered during a routine audit to be fakes and synthetics. The cheap imitations include a 5-carat diamond, which is just a piece of glass, and a 19-carat sapphire which turned out to be synthetic. As told by Radio Praha, "The major reconstruction of the headquarters of the National Museum in Prague has revealed more than just peeling paint and cracks in the walls.

  • The run of large diamond finds by London-based miner Gem Diamonds keeps going, as the company has announced the recovery of yet another huge diamond of exceptional quality, this time a 152 carat, D color Type IIa diamond from the Letšeng mine in Lesotho, the highest dollar per carat kimberlite diamond mine in the world. This is the sixth diamond of over 100 carats recovered in 2018. The third of which was the recovery of the massive 910 carat diamond announced on 15 January, 2018, the fifth biggest diamond find in history. 

  • To celebrate the one-year anniversary of its bijoux boutique on Bond Street in London, Sotheby's Diamonds revealed its most exceptional gem to date: a 102.34-carat, D-Flawless, Type IIa round brilliant diamond, which the auction house describes as “the rarest and most valuable white diamond ever to come to market”. The stone bears the highest possible ratings in terms of color (a D grade representing the purest, whitest hue), clarity (Flawless, meaning there are no internal or external blemishes even when viewed under a microscope) and has excellent cut, polish and symmetry, making it the l

  • London-based miner Gem Diamonds recently rocked the diamond world with the announcement of its latest remarkable recovery from the Letšeng mine in the Kingdom of Lesotho: a 910-carat, D color Type IIa diamond. It is the fifth-largest gem quality diamond ever recovered and is of the highest quality. The Diamond Loupe had the opportunity to sit down with Gem Diamonds CEO Clifford Elphick and Commercial Director Glenn Turner at the Gem Diamonds office in Antwerp. (see a photo of the diamond in annex below)

  • London-based miner Gem Diamonds has announced the recovery of an exceptional quality 149 carat, D color Type IIa diamond, with excellent shape, from the Letšeng mine in Lesotho, the highest dollar per carat kimberlite diamond mine in the world. This is the fourth high quality diamond of over 100 carats recovered so far this year, and follows closely upon the recovery of the exceptional 910 carat diamond announced on 15 January, 2018.

  • Gem Diamonds this morning announced the recovery of an exceptional quality 910-carat, D color Type IIa diamond from the Letšeng mine in Lesotho, making it the fifth largest gem-quality diamond ever recovered in history and the third largest in a century, behind only Lucara Diamonds' 2015 discovery of the 1,009-carat Lesedi La Rona.

  • Gem Diamonds has announced the recovery of high-quality 117 and 110-carat, D colour Type IIa diamonds from the Letšeng mine in Lesotho, famed for its large, Type IIa stones that often achieve the highest dollar per carat rough prices in the world. The London-based company recovered seven such stones in 2017 after unearthing only five in 2016. 

    At their summer tender in 2017, Gem Diamonds achieved an average price of $2,397 per carat, making it the highest achieved dollar value per carat for a tender since September 2015. 

  • Australia's Lucapa Diamond Co. and its Angolan partners, Endiama and Rosas & Petalas, have decided to schedule the next diamond sale for early 2018. The timing of this sale is designed to maximise sale proceeds by selling into a usually stronger demand period at the beginning of the year. The next sale parcel of alluvial diamonds from the Lulo Diamond Project in Angola will total 2,160 carats. This includes the exceptional 129 carat and 78 carat Type IIa D-colour Lulo diamonds recovered from Mining Block 6 in November 2017.

  • Renowned jeweler Laurence Graff has bought the 476-carat Meya Prosperity Diamond from Sierra Leone for $16.5 million. It is the second major rough diamond Graff has purchased from Sierra Leone this month, having previously purchased the 709-carat 'Peace Diamond' for $6.5 million. The Type IIa, D color 476- rock was unearthed in the Kono District back in November by Meya Mining, a company jointly owned by Namibia-based conglomerate Trustco Group and Germinate Sierra Leone.

  • The 709-carat "Peace Diamond", considered the 14th-largest rough diamond in history and recovered by artisanal miners in Sierra Leone’s Kono district in March, sold at Rapaport's auction in New York for $6.5 million, approximately $1.2M less than was originally offered for the stone. This despite - or perhaps because of - its tour through the major diamond trading centers. Renowned jeweler Laurence Graff was the buyer. Martin Rapaport, surrounded by Sierra Leonean officials at their press conference in New York, apologized that his efforts did not yield what they had hoped.

  • An incredibly rare 14.93-carat Fancy Vivid VVS1 pink diamond, which Rahul Kadakia, International Head of Jewellery at Christie’s, described as the "Picasso of the Pink Diamond world," sold for $31,861,000 (HKD 250 million), or approximately $2.13 million per carat, at Christie’s Magnificent Jewels Hong Kong auction on November 28. The diamond, referred to as The Pink Promise Diamond, is an oval-shaped fancy vivid pink Type IIa diamond, weighing approximately 14.93 carats, set within a circular-cut diamond surround, gallery and hoop. Its Fancy Vivid Pink color (as opposed to Fancy Intense Pink) is a designation given by the GIA and represents the most prized color grading in a pink diamond. 

     
  • The largest-ever D-flawless diamond to be put up for auction, mounted in a diamond and emerald necklace, sold for $33.7 million Tuesday night, including buyer’s fees. The white “Creation 1” diamond from Swiss jeweler de Grisogono weighs 163 carats. The hammer went down at 29.5 million Swiss francs ($29.7 million), excluding the buyer’s premium — around the midpoint of the pre-sale estimates before the auction at Christie’s in Geneva. The buyer was not immediately identified.

  • Following the unearthing of the 476.7-carat diamond, dubbed the Meya Prosperity, at the Meya deposit in the Kono District of Sierra Leone, Meya Mining announced the appointment of Koin International as the marketing and sales agent for the exceptional diamond.

  • Australian junior miner Lucapa Diamond Company and its partners, recovered a 129.58 carat rough diamond from the Lulo Diamond Project in Angola, the eight stone above 100 carats since commercial production started in 2015.

  • Miners in Sierra Leone have unearthed a 476.7-carat diamond, reports the country's National Minerals Agency. Mining company Meya, owned by Namibia's Trustco Resources (51%) and Germinate Sierra Leone Ltd., discovered the stone in the diamond-rich eastern district of Kono.

  • Vancouver-based Lucara Diamond with operations in Botswana made several announcements yesterday (Nov. 2), starting with news of its positive Preliminary Economic Assessment for taking its Karowe Mine underground, which would extend the life of the mine another ten years to approximately 2036.

  • A legendary 19.07 carat pink diamond of historic Royal French provenance will be offered for sale at Christie’s Magnificent Jewels auction in Geneva on 14 November 2017, the auction house reports in a press release. The magnificent stone has been in the collection of four kings, four queens, two emperors and two empresses, starting with the Sun King, Louis XIV. It is one of France’s most storied gems, with three centuries of royal provenance.

  • ALROSA’s affiliate Almazy Anabara has extracted a large 34.17-carat yellow diamond. It is the largest fancy-colored rough diamond extracted by the company this year, writes the Russian mining giant. The rough diamond, extracted from Ebelyakh alluvial deposit, measures 20.17 х 19.65 х 15.1 mm. It is a transparent intense yellow crystal with a small inclusion in the intermediate zone. Before the end of October, it will be delivered to the United Selling Organization ALROSA (USO ALROSA) in Moscow, where the company specialists will give it a more detailed and accurate assessment.

  • The Government of Sierra Leone has appointed the Rapaport Group as the marketing and sales agent of the "Peace Diamond". The 709-carat diamond, discovered by a local pastor and diamond digger in the village of Koryardu, is the third-largest diamond ever found in Sierra Leone and the 13th-largest ever to be unearthed. The Peace Diamond is special because it is a development diamond, Rapaport said in a statement. Over 50% of its sale value will directly benefit the community where the diamond was discovered and the people of Sierra Leone.

  • Sotheby’s will be presenting ‘The Raj Pink’, claimed to be the world’s largest known Fancy Intense Pink diamond, weighing 37.30 carats, at its auction of Magnificent Jewels and Noble Jewels in Geneva, on 15 November 2017. Its estimate is $20 million - $30 million. “The discovery of any pink diamond is exceptional, but the Raj Pink’s remarkable size and intensity of colour places it in the rarefied company of the most important pink diamonds known,” says David Bennett, Worldwide Chairman of Sotheby’s International Jewellery Division.

  • Firestone Diamonds this morning announced the recovery of its largest diamond to date, a 134 carat gem-quality light yellow diamond, from its Liqhobong Diamond Mine, located in Lesotho. They believe this recovery, the second of over a hundred carats since production commenced, reinforces the potential for large stones at Liqhobong as the company continues early stage mining.

  • Independent analyst and consultant on diamonds and the mining industry, and publisher of the Zimnisky Global Rough Diamond Price Index, Paul Zimnisky has published an in-depth article, "The Discovery of Newsworthy Diamonds is Increasing", analysing the rise of noteworthy diamond recoveries in the past five years in particular. Reprinted from Paul Zimnisky Diamond Analytics, courtesy of Paul Zimnisky.

  • A massive emerald-cut diamond fashioned from Lucapa Diamond's 404 carat rough stone - the largest rough diamond ever recovered in Angola - will go under the hammer on November 14 at Christie’s in Geneva. "Set into an asymmetric necklace designed by de GRISOGONO, this 163.41 carat, flawless D-colour emerald-cut diamond is the largest ever to come to auction", reads the press release from the auction house. In February 2016, Lucapa Diamond Company announced the discovery of the biggest recorded diamond in Angola, confirmed as a Type IIa D-color gem-quality stone.

  • At long last, Lucara Diamond has sold the 1,109 carat Lesedi La Rona - the largest rough diamond in existence - recovered from the Karowe mine in Botswana on November 16 2015, for $53 million ($47,777 per carat) to Graff Diamonds.

  • "Almazy Anabara", a subsidiary of ALROSA, recovered a large pink rough diamond weighing 27.85 carats, the Russian diamond giant announced in a press release. "This is a unique discovery: by far the largest company's pink rough diamond had a weight of about 4 carats. If the company decides to cut this stone, it could become the most expensive polished diamond in the history of ALROSA." The rough diamond has dimensions of 22.47 x 15.69 x 10.9 mm. The pink stone is of gem-quality and almost free of inclusions.

  • A Fancy Intense Blue diamond which has been held in a private collection for nearly 30 years sold for $3.6 million (£2,685,000), smashing its $2 million high estimate, at Bonhams Fine Jewellery sale in London on September 20. The 4.03-carat pear-shaped diamond, "became the subject of a fierce bidding frenzy before it finally went under the hammer, selling to Graff Diamonds for $853,203 price per carat," the auction house writes. 

  • The government of Botswana is amending the law to give the state the first option to buy ‘unusual’ diamond finds such as the historic Lesedi La Rona recovered at Karowe Mine two years ago, writes Botwanan news outlet Mmegi Online. A recently filed draft bill to amend the Precious and Semi-Precious Stones Act contains a new clause that compels any producer that comes into possession of an unusual rough or uncut diamond to notify the minister of mines within 30 days, following which the government shall have the right of first refusal to the stone.

  • Gem Diamonds has recovered a 115 carat, D color Type IIa diamond from the Letšeng mine in Lesotho, of which it is 70% owner, with the Kingdom of Lesotho owning the remaining 30%. After a year of declining large diamond recoveries (5) and prices (-26%) in 2016, the company has recovered six +100 carat diamonds so far this year, achieving an average price of $1,779 per carat in the first half of the year, marking a 20% increase than the $1,480 per carat achieved for the prior six-month period (H2 2016). 

  • Estimated at £1,200,000 - 1,500,000 ($1.5 - 1.9 million), a Fancy Intense Blue diamond will headline Bonhams London Fine Jewelry sale on September 20. The auction house states that the pear-shape diamond, weighing 4.03 carats, has been in a UK private collection for over 30 years. According to the GIA, only one in 10,000 diamonds has a fancy color, which makes such stones rare and highly sought after.