Archive

  • 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 fourth or fifth largest gem-quality diamond ever recovered in history and the second 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.

  • Let’s talk about the Lesedi [La Rona, 1,109-ct rough diamond]. I use this analogy. Everybody [on the call] knows one or two wealthy people who could go out and buy a Lamborghini at $250,000. What we’re asking for the stone is for somebody to go out and spend the equivalent of 280 Lamborghinis. And I use that as an example because I don’t think people quite understand the quantum of money we’re looking at here.

  • Lucara Diamond Corp. the Canadian junior diamond miner whose key asset is its 100% owned, state-of-the-art Karowe Mine in Botswana reports strong Q2 results despite a decline in mined ore volumes and carats recovered, as higher value recoveries compensated for lower grades. Q2 revenue was $79.6 million or $1,336 per carat from 62,434 carats total, which compares favorably to Q2 2016, where Lucara sold $77.7 million at $1,017 per carat from 107,801 carats total (figures exclude the 2016 sale of the 813-carat Constellation diamond for $63.1 million, for a more accurate comparison).

  • On July 18, a very large rough diamond weighing almost 110 carats was recovered at the Processing Plant No. 3 of ALROSA’s Mirny Mining and Processing Division. Two days earlier, a 75-carat rough diamond was recovered at the Processing Plant No. 14 of Aikhal Mining and Processing Division. These large rough diamonds became presents for two anniversaries celebrated by the Company - 60 years of diamond mining industry and 25 years of ALROSA. Both rough diamonds are initially estimated as gem-quality. They are octahedron crystals with small inclusions, one of them with a straw-yellow tint.

  • Gem Diamonds Limited has recovered yet another exceptional rough stone, this time a high quality 126 carat, D color Type IIa diamond, from the Letšeng mine in Lesotho. After a bit of a dry spell in 2016, Letšeng mine has now yielded three +100 carat diamonds in the last month alone, including the recovery of two high quality diamonds in June 2017: a 104.73 carat diamond and a 151.52 carat yellow diamond.

  • Gem Diamonds has recovered two more exceptional stones from its Letšeng mine in Lesotho: a high-quality 104.73 carat, D-color Type IIa diamond and a high-quality 151.52 carat Type I yellow diamond.

  • Christie's Hong Kong yesterday auctioned off the famous 'Jonker No. 5' diamond for $5.3 million, soundly beating the pre-sale estimate of $2.2 million to $3.6 million. The 'Jonker No. 5' is part of a legendary collection of 13 stones fashioned from one of the most famous diamonds in history: the 726-carat piece of rough discovered by Jacob Jonker in South Africa in 1934, which at the time was said to be the fourth largest gem-quality diamond ever recovered. The Type IIa stone is D color, VVS2 clarity, rectangular-cut and weighs 25.27 cts. 

  • Russia’s dimond mining giant ALROSA recovered a 60.32 carat rough diamond which experts believe could yield up to US$174.5 thousand per carat.  The Octahedron crystal is transparent with a yellow hue and was recovered at Mirny’s Mining and Processing Division, from the Gornoye alluvial deposit. It is the only plant in Russia which processes rough diamonds recovered by dredging fleet.

  • Gem Diamonds - a leading global diamond producer that owns 70% of the Letšeng mine in Lesotho, known for its high-value diamonds, and 100% of the Ghaghoo mine in Botswana, which produces diamonds at the lower-end of the price scale – announced the recovery of a 98.42 carat high quality D-color Type II diamond which will accompany the previously announced 80.58 carat D-color type II for sale in June. 

  • Graff Diamonds announced they had added to their collection of exceptional stones by acquiring the 373.72-carat rough diamond sourced from the Karowe mine in Botswana. The stone was once a part of the Lesedi la Rona, the second largest gem quality diamond to ever be discovered and the largest to be unearthed in the last century. According to Graff the fragment was separated from its famous sibling during the recovery process.

  • 'Apollo and Artemis', the most expensive pair of earrings in the world, were auctioned by Sotheby’s Geneva spring sale of Magnificent Jewels for a record-breaking price of $57.4 million.

  • "When you’re selling your offcuts for almost $20 million, you know something is going right," writes Thomas Biesheuvel for BloombergPursuits. "Lucara Diamond Corp. just sold a 373.7-carat diamond for US$17.5 million.

  • Sierra Leone's government announced yesterday (May 11) that it would seek higher offers in Antwerp for a massive 709-carat diamond after receiving underwhelming offers at auction in Freetown. British citizen Ziad al-Ahmadi, based in Antwerp and reportedly working for Raydiam BVBA, placed the $7.7 million bid which failed to match the government's unspecified reserve price, and turned out to be far lower than the $50 million the Sierra Leone government had originally hoped for, prompting the decision to try again in Belgium.

  • Gem Diamonds has announced the recovery of a high-quality 80 carat, D color Type II diamond from the Letšeng mine in Lesotho. Today's announcement follows the April 7 of the recovery of a 114-carat diamond from Letšeng. This is another welcome recovery and may well signal a reversal of the miner's recent fortures, as Gem Diamonds in 2016 recovered fewer diamonds larger than 100 carats than usual, which had a "disappointing impact" upon revenue and cash flow. Demand and prices

  • "A Magnificent Diamond Ring" from Van Cleef & Arpels was the top earner at Christie’s New York Magnificent Jewels sale at Rockefeller Center on Wednesday. The ring realised a price of $2,587,500, within its pre-sale estimated range of $2.2 - 2.7 million. The D-color, internally flawless, Type IIa diamond is set with a rectangular-cut center diamond, weighing approximately 22.03 carats, flanked on either side by a triangle-shaped diamond. Total sales at the auction were $35.2 million.

  • Necklaces with detachable pendants that double as brooches, tiaras fit for royalty that can also be worn as bracelets, and earrings which can transform into haircombs are making their way back this season. High Jewelry brands such as Chaumet, Van Cleef & Arples, Cartier, Bulgari and Graff have re-embraced the notion of transformable jewelry. The versatile trend is“perfectly adapted to our times,” says Jean-Marc Mansvelt, CEO of Chaumet.

  • Sotheby’s spring sale of Magnificent Jewels and Noble Jewels at Mandarin Oriental, Geneva will be led by the ‘Apollo and Artemis Diamonds’.