Archive

  • Rio Tinto’s final Argyle Pink Diamonds Tender collection of rare pink, red, blue and violet diamonds is being showcased to connoiseurs, collectors and luxury jewellers in Antwerp, Belgium.

  • While to outsiders it may have seemed the closure of Rio Tinto’s Argyle mine marked the end of diamond mining in Australia, recent developments show signs of an unexpected revival. Earlier this year, Australian-based miner Lucapa, currently operating mines in Angola and Lesotho, acquired the Merlin mine, which hasn’t produced any diamonds since 2003. Lucapa hopes to restart the mine within two years.

  • On Thursday 29th July in Antwerp, Grib Diamonds sold $65M of rough diamonds mainly from its wholly owned Russian Mine, as well as some smaller amounts of Angolan Goods. In total 650K carats were on offer and Grib saw continued high demand in its Spot Sale. The highlight of the sale was one Russian Origin 7ct Violet stone which sold for more than $100K per carat. This is the highest per carat stone ever sold by Grib in its 7 year history. Grib’s next Spot Viewings will start from the 10th September in Antwerp.

  • Lucara announced the recovery of a 62.7-carat fancy pink diamond from the Karowe Diamond Mine located in Botswana. The diamond entitled “Boitumelo” meaning Joy, is a high-quality, fancy pink, Type IIa gem. In addition, a 2.21-carat fancy pink diamond of similar quality was recovered during the same production period, along with two pink gems of similar color and purity weighing 11.17 and 5.05 carats respectively. The 62.7-carat diamond represents the largest fancy pink gem recovered in Botswana and one of the largest rough pink diamonds on record.

  • Petra's has announced the sale of the exceptional TypeIIb blue 39.34ct, which was recovered at the Cullinan mine in South Africa earlier this year, and started its viewing tour in Antwerp to a partnership between De Beers and Diacore, for a whopping US$40.180.180 or over US$1m per carat.

  • Christie’s upcoming Magnificent Jewels auction in New York consists of 143 lots, including six diamonds ranging from 14.52 to 1.06 carats and the ever spectacular Dancing Sun, a fancy intense yellow diamond of 204.36 carats.

  • Christie’s Magnificent Jewels auction in New York amassed US$35 million in sales, US$8.4 million of which came from a trio of colored diamonds, entitled “The Perfect Palette.” The diamonds were each set in a ring and auctioned as separate lots.

  • Petra Diamonds has recovered a 39.34 carat Type IIb blue diamond of exceptional quality in terms of both its colour and clarity at the Cullinan mine in South Africa. The Company anticipates that the diamond will be sold via a special tender.

  • Namakwa Diamonds has announced the discovery and upcoming sale of an exceptional Fancy Pink "Pink Dawn" diamond, 25.97ct, which was uncovered in October last year by Storm Mountain Diamonds at Namakwa's Lesotho KAO Mine. Viewings take place at Bonas Group's offices in Antwerp, during the first KAO sale of this year (KAO-2101), between January 25 and closing on February 4, 4PM CET via online highest bid tender (https://kaobids.com).

  • In Geneva, the 14.83ct fancy vivid purple pink elegantly named "the Spirit of the Rose", after the Russian ballet by Niijinsky, was sold for US$26.6m at the Sotheby's auction to a telephone bidder who remains anonymous, a record price for a fancy vivid purple pink ever sold at auction.

  • On November 12, Sotheby's will have another exceptional diamond for sale, with the 14.83ct fancy vivid purple pink elegantly named "the Spirit of the Rose", after the Russian ballet by Niijinsky. The rich pink is one of the largest in its kind and was discovered in Yakutia almost three years ago by Russian mining giant Alrosa. Expectations for the unique diamond are high, with estimates as high as US$38 million.

  • Petra Diamonds today announced that it has recovered five extremely rare blue rough diamonds at its Cullinan mine, of 25.75 ct, 21.25 ct, 17.57 ct, 11.42 ct and 9.61 ct respectively. The last discovery of a blue rough stone dates back exactly one year ago, and blue diamonds are considered as one of the most rare in fancy colored stones, making it all the more extraordinary that five diamonds are recovered in one week's production.

  • In a virtual preview, Rio Tinto has showcased its 2020 Argyle Pink Diamonds Tender, entitled One Lifetime, One Encounter, one of the last of a series of annual tenders held since the exceptionally rare pink, violet and blue diamonds were first discovered in the Western Australian Argyle mine in 1979. This year's tender features 2.24ct Fancy Vivid Purplish Pink diamond, named Argyle Eternity, the largest Fancy Vivid round brilliant ever offered at the tender.

  • Alrosa today announced that the company has mined the largest Russian, natural colored rough diamond to date, a 236ct stone of intense yellow-brown color, from its Ebelyakh mine in Yakutia, Russia. The stone is sent Alrosa's research center where it will be studied to decide whether the company will sell it as a rough or cut it in-house. It is not the first time natural colored diamonds are discovered at the alluvial diamond deposit, located on the Anabar River of the Sakha Republic (Yakutia).

  • Gibb River Diamonds, the company holding the lease on the Ellendale mine in West Kimberley since December 2019, welcomes a recent drop in royalty rate - from 7.5% to 5% - by Western Australia authorities. The Ellendale mine, which in the past produced 50% of the world's typical fancy yellows for Tiffany & C° hasn't produced diamonds since 2015, when former owner Kimberley Diamonds decided to only focus on their Botswana project.

  • Russian diamond miner Alrosa has unearthed the first colored rough diamond at its new Verkhne-Munskoye deposit in Yakutia, which started operations in 2018. The exceptional stone is a bright yellow gem-quality diamond weighing 17.44 carats, recovered in mid-February from the Zapolyarnaya kimberlite pipe, a part of the Verkhne-Munskoye deposit.

  • Russian diamond miner Alrosa announced on Tuesday that it has sold a 6.21-carat cushion cut Fancy Intense Pink Purple diamond to Larry West, owner of one of the world's largest collections of exceptionally rare fancy-colored diamonds, for an undisclosed price. Alrosa cut and polished the diamond from a 20.18-carat stone found in Yakutia, a region in northeastern Siberia, in August 2018. 

  • According to data published by the Fancy Color Research Foundation (FCRF), over the past decade (2010-2019) the general Fancy Color Diamond Index showed a steady market price increase of 77%. Leading the index during the decade were Pink diamonds, which increased by 116%. The prices of Blue diamonds rose by 81% and of Yellow diamonds by 21%.

  • Swarovski, the famous producer of precision-cut crystals, this week launched a new collection of lab-grown diamonds in 16 colors at the Paris Haute Couture Fashion Week, a clear challenge to De Beers' Lightbox brand of synthetic gemstones. The company in 2016 launched its Diama collections in the US, using synthetic diamonds, and entered the lab-grown market as producers in 2018 with its Swarovski Created Diamonds.

  • The former Ellendale diamond mine area in the West Kimberley region of Australia is heading towards a new lease of life, as Mines and Petroleum Minister Bill Johnston has announced that Gibb River Diamonds has accepted his offer to apply for a new lease to mine at Ellendale and has invited India Bore Diamond Holdings to apply for other tenements at the site.

  • Gem Diamonds recovered a 114-carat Type 1 yellow diamond on 9 December 2019, the miner reported this afternoon. It is the 11th diamond weighing more than 100 carats to be recovered at the Letšeng mine in Lesotho in 2019, and the fourth yellow diamond that tops the 100-carat milestone. The miner recovered a 114.2-carat yellow diamond from the mine in August, as well as a 135- and 134-carat yellow earlier this year. Letšeng is renowned for known for yielding large, high-quality stones.

  • Rio Tinto’s Argyle Pink Diamond tenders, the 35th since the mine started producing the rare pink, red and violet diamonds, received a lot of interest, the company says. As the Argyle mine is due to close next year, the 2019 tender is most likely one of the last tenders, explaining the double-digit growth in bids made on the lots of polished pinks, reds and purples. The most valuable diamond in the selection, the Argyle Enigma, was bought by Australia-based Star & Kiven Diamonds (Aurostar group), who also won the winning bid for the Argyle Verity.

  • Petra Diamonds has announced the sale of an exceptional, 20.08-carat blue diamond recovered at the Cullinan Mine in South Africa in September 2019, which fetched US$14.9 million, or approximately $741,000 per carat. The buyer is a leading diamond company that wishes to remain anonymous, the miner said in a press release.

  • Petra Diamonds will hold a special tender of the 20.08-carat blue diamond the miner recovered from the Cullinan mine in South Africa last month, with analysts speculating it fetch as much as $15 million. The stone is a gem-quality Type llb diamond. 

  •  A 10.64-carat Fancy Vivid Purplish Pink diamond sold for US$19.9 million (155,831,000 HKD) earlier this week at Sotheby's Hong Kong auction. That's $1.9 million per carat.

    The 10.65-carat, Internally Flawless Type IIa pink fell between its $19.1 to $25.5 million (150 million to 200 million HKD) pre-sale estimate. It is set between trapeze diamonds, mounted in 18 karat white and pink gold. The Magnificent Jewels and Jadeite sale totaled $300.8 million HKD, or $38.3 million.

  • Lucara Diamond Corp. has recovered an "exceptional" blue, 9.74-carat gem-quality diamond and a 4.13-carat pink gem-quality diamond from direct milling of South Lobe ore from its 100% owned Karowe Diamond Mine located in Botswana, the miner announced today. This follows the recent sale of a 2.24-carat blue which sold for US$347,222 per carat and other historic colored diamonds that have been recovered from Karowe in the past, including the 9.46ct "Aven Blue" which sold for US$477,000 per carat in 2012.

  • Petra Diamonds has recovered an exceptional 20.08-carat blue gem-quality Type IIb diamond from the Cullinan Diamond Mine in South Africa, which has been the world's only consistent source of some tremendous blue diamonds in the past.

  • Rio Tinto has launched a new collection of rare pink diamonds from its Argyle diamond mine in the east Kimberley region of Western Australia. Known as the “Argyle Pink Everlastings Collection”, this offering has been curated to showcase the full color palette of Argyle pink diamonds, weighing 0.14 carats and below. The Collection comprises 64 lots and weighing a total of 211.21carats. It is expected that less than 100 carats of the equivalent profile will be produced by the mine prior to closure in 2020, emphasizing "the finite raity of these beautiful gems.”

  • Russian diamond mining giant Alrosa will host its second annual True Colors auction of natural color diamonds in September at the Hong Kong Jewellery & Gem Fair from 16 to 20 September. The auction will last until September 23. 

  • A 14.83-carat pink oval diamond, cut from a rare 27.85 carat clear pink rough diamond mined in 2017 by Russia’s Alrosa could earn more than $60 million when it goes up for sale in November. Named The Spirit of the Rose (“Le Spectre de la Rose”) as a tribute to a legendary short Russian ballet that premiered in 1911, the preparation and cutting process was performed at the “Diamonds ALROSA” cutting factory in Moscow, and it will be the most expensive stone ever polished in Russia.

  • AGD Diamonds has recovered an extremely rare rough diamond at its processing unit operating at the Grib Diamond Field in Russia: a gem-quality, deep-lemon yellow colored diamond weighing 47.61 carats. The stone was unearthed on July 13.

    According to Rough & Polished, which issues press releases for AGD Diamonds, industry experts note its "extremely correct form, impeccable clarity and lack of technological flaws."

  • Rio Tinto has unveiled the collection of diamonds on sale at what may be one of its last tenders of the world's rarest pink and red diamonds, as the life of the Argyle mine in Western Australia is winding down. The mine produces more than 90 percent of Australia's diamonds, and is one of the only known sources of pink diamonds in the world.

  • Alrosa held a tender for polished diamonds in New York this June, earning $3 million from the sale of 20 polished diamonds with total weight of 140.4 carats for an average value of approximately $21,430 per carat. The diamonds on tender included 8 gemstones of standard color and 12 fancy colored polished diamonds, most of them with Fancy Yellow and Fancy Intense Yellow characteristics.

  • Firestone Diamonds has recovered a 54-carat intense fancy yellow, sawable diamond from its Liqhobong Mine in Lesotho, the company announced this morning. This recovery follows that of a 72-carat yellow makeable stone last April. The miner also has a a 134 carat gem-quality light yellow diamond on its resumé. The most reecent diamond will go on sale in Antwerp at the next tender, which is scheduled to take place during the first week of September 2019.

  • Gem Diamonds has unearthed a 135-carat yellow from its Letšeng mine in Lesotho, making it the third major recovery of a colored diamond discovery from the mine this year. Gem recovered an exceptional, 134-carat Type I yellow diamond back in April - the first yellow stone of that magnitude since they dug up a 151.52-carat yellow diamond nearly two years ago.

  • An extremely rare, 3.43-carat internally flawless cushion cut diamond referred to as the 'Bubble Gum Pink' has sold for an impressive $7.5 million at Christie’s Hong Kong auction, or $2.2 million per carat. The ‘Superb Colored’ gem was the premier lot sold during the Magnificent Jewels event held by the famed auction house, which fetched a total of $44.6 million.The stone is mounted onto a ring designed by luxury London jewellers Moussaieff, alongside other pink diamonds and marquise shaped white diamonds.

  • The overall prices of fancy colored delinced by 0.2% in the first quarter of 2019, influenced mainly by the continuing decline in the yellow category, while pink diamond prices performed best, rising by 0.5%, according to Fancy Color Research Foundation (FCRF). The Q1 2019 Fancy Color Diamond Index also concludes that blue diamonds showed a very slight decrease of 0.2% during the period, while yellow diamonds prices decreased by 1.5%. 

  • The Shirley Temple blue diamond caught everyone's attention exactly three years ago when it hit the auction block at Sotheby's New York with an estimated price between $25 million and $35 million. The highest bid was $22 million, which was below the ring's reserve price and it failed to sell.

  • A twin-stone colored diamond ring featuring fancy vivid blue pear-modifiedbrilliant-cut diamonds of 3.06 and 2.61 carats was the headline item at Christie’s New York Magnificent Jewels auction on 16 April, selling for $6.7 million, or $1.2 million per carat. The hammer price fell right within its $6-$8 million pre-sale estimate. 

  • Botswana's state-run Okavango Diamond Company today (April 17) unveiled the polished result of what is said to be the largest blue diamond ever discovered in the southern African country, one of the world’s top producers. The 20.46-carat, oval-shape fancy colored diamond, fashioned from a 41.11-carat rough stone recovered on May 21 2018 at the Orapa mine, has been named "The Okavango Blue" in honor of the Okavango Delta, the country's wildlife-rich world heritage site.