Archive

  • 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.

  • Russian miner ALROSA held auctions for special-sized rough diamonds, those exceeding 10.8 carats, at its main trading offices in April to meet their clients’ demands. In total the miner sold 608 diamonds with a total weight exceeding 9,120 carats. Overall revenue amounted to US$42.3million, Of which US$10.3 million In Antwerp.

    They were able to host viewings in Antwerp, Dubai, Moscow, and Ramat Gan, with buyers coming from those hubs as well as India and China.

  • Lucara Diamond Corp, owner of the Karowe mine in Botswana and HB Antwerp, the diamond trading and manufacturing company based in Antwerp have agreed to extend the exclusive deal on all of Lucara's +10.8ct diamonds, which account for approx. 70% of Lucara's total revenue, for 24 months. HB Antwerp will continue to get exclusive access to purchase the miner's specials until the end of 2022, for a price determined on the projected polished outcome, and an additional true up, minus handling fee and manufacturing cost, once the diamond is actually sold.

  • First Element Bv today  announced that they have sold the 162.66Ct exceptional stone on their tender last week held in Antwerp, Belgium. The stone was viewed by over 100 companies during the tender period and received extremely strong interest from the Antwerp market, First Element said, which reflected in the highly competitive bidding for the stone. The stone sold for a total price of well over $3 Million

  • Lucapa announced the recovery of an additional three +100ct and two +50ct diamonds, now totalling six rough diamonds over 100ct discovered in the last three months alone at Mining Block 46 or one +100ct for every 20k cubic meters of gravel. These statistics and recoveries support the potential of the adjacent Canguige catchment and kimberlites close to the Lulo alluvial mine. 

  • AGD Diamonds, the Russian miner that sells its goods via Antwerp-based GRIB Diamonds, announces the recovery of a large, 72.94ct rough diamond from its Grib diamond field, continuing the trend of 2020, a year in which 7 50ct+ stones were brought to surface. On a more global level, in recent years more and more large rough diamonds are found, thanks to technological developments in mining processes.

  • Alrosa today announced that the combined results of its recent specials auctions in honor of the miners’ 100th auction, totaling US$23.9m. Of that number, US$10.7m came from the sales in Antwerp, US$5.5 from its digital auctions and US$7.7m was achieved from the sale of three large stones (242.31ct, 190.74ct and 136.21ct) at the 100th “Jubilee Auction”.

  • In a press release Alrosa, the Russian diamond miner, announced the results of its latest specials tender, held in Antwerp in October. At the tender, where 28 companies participated in bidding, the miner sold 112 rough diamonds, 10.8ct plus or specials, for a total volume of 1,733ct at a total price of US$6.9m. Alrosa choose Antwerp for its sales as the company "tries to meet the needs of customers by offering rough diamonds in the countries where they operate", Evgeny Agureev, Deputy CEO of Alrosa commented.

  • Alrosa announces it sold 133 special (10.8ct+) rough diamonds, with a total weight of 2,173 ct for a value of US$ 7.4 million during its most recent auctions held in Belgium and Israel, to a total of 20 companies. The auctions are the single channel currently for Alrosa's specials. According to Deputy CEO, Evgeny Agureev, the total revenue significantly exceeded expectations, demonstrating demand for high quality rough is high.

  • During its latest specials tenders, held in Alrosa's Antwerp and Israel local offices, Russian miner Alrosa sold 156 special size (10.8ct+) rough diamonds, combined weight of 2,416 carats for a total amount of $6.8 million, $4.1 million of which was achieved in Antwerp, $2.7 million in Israel.

  • Gem Diamonds dug up a 114-carat high quality D color diamond on 2 March 2020 at the Letšeng mine in Lesotho. It is the second stone larger than 100 carats they have unearthed this year. The previous one was an exceptional 183-carat white Type IIa diamond receovered a month ago (3 February 2020). That very same day, the company said, they also recovered another two high-quality diamonds, one of 89 carats and the other of 70 carats.

  • Lucara Diamond Corp. has unearthed yet another exceptional diamond at its Karowe Diamond Mine in Botswana - the latest is an unbroken 549 carat white diamond "of exceptional purity". It is the fourth largest diamond ever recovered at the Karowe mine, the third largest gem-quality stone (the Sewelô is of 'near-gem quality) and already Lucara's sixth diamond larger than 100 carats recovered in 2020. According to independent analyst Paul Zimnisky's estimates, it is only the 4th gem-quality stone exceeding 500 carats recovered globally in the last 5 years.

  • Gem Diamonds officially rang in the new year with the recovery of an exceptional 183-carat white Type IIa diamond on 3 February 2020. On the same day, the company said, they also recovered another two high-quality diamonds, one of 89 carats and the other of 70 carats, from the Letšeng mine in Lesotho.

  • Bonas Couzyn tender house in Antwerp will hold a special tender of a 183.54 carat diamond from the Cuango mine in Angola. The stone (pictured) was shipped to Bonas directly from the Sociedade Mineira do Cuango in Angola.

  • Lucapa Diamond Co. has delivered an exceptional result from its first foray into a cutting & polishing partnership, marking a milestone for Lucapa’s move along the diamond value chain. value chain. The first stone they selected was a 36.20-carat rough diamond from the Mothae kimberlite mine in Lesotho, which was polished in Antwerp in partnership with a leading international diamantaire, yielding six D-color diamonds. The two largest of the polished diamonds were both graded as D Flawless by the Gemological Institute of America (GIA).

  • Australia-based mining company Lucapa Diamond Co. has rung in the new year with a bang, recovering a gem-quality 117 carat stone from the Lulo alluvial mine in Angola. The stone is the 14th diamond larger than 100 carats recovered to date from Lulo by Lucapa and its partners and the first for 2020.

  • Russian diamond mining giant Alrosa plans to hold 34 international auctions for special size rough diamonds (weighing over 10.8 carats) in 2020, the comapany recdently announced. They plan to hold seven auctions in the first quarter (Q1), eight in Q2, seven in Q3 and 12 in Q4. The schedule is available here.

  • Russian diamond miner Alrosa unearthed a 191-carat diamond on Christmas day at the Botuobinskaya kimberlite pipe in Yakutia. According to estimations made by Alrosa’s experts on site, the rough diamond is of high quality. They estimate the age of the stone at about 2 billion years. Further mineralogical analysis will reveal more precise numbers. "Surely, such findings are very remarkable," said Evgeny Agureev, Deputy CEO of Alrosa. The rough diamond will be sent to the United Selling Organization for a detailed evaluation.

  • 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.

  • Alrosa sold 93 rough diamonds with a total weight of 1,560 carats, and earned $11 million in sales revenue at an auction for special size rough diamonds (weighing over 10.8 carats) held in New York. At approximately $7,050 per carat, the miner says it is the best result achieved in the last few months. There were 95 participants from the US, Belgium, India, Israel, UAE, Russia and Hong Kong.

  • Gem Diamonds recovered a 161-carat high quality white Type IIa diamond at the Letšeng mine on 28 October 2019. The lastest find is the fifth exceptionally-sized (+100 carat) white diamond unearthed this year. Together with three yellows stones larger than 100 carats the miner recovered this year, their total number of exceptional finds now sits at eight.

  • Russia's Alrosa, the leading diamond producer in the world by volume, has recovered its largest gem-quality rough stone in three years: 232.4 carats. The massive diamond was was unearthed at Udacnhaya kimberlite pipe on October 19.

  • Gem Diamonds on September 11 recovered a D-color, type II diamond weighing 127 carats from its Letšeng mine in Lesotho. The lastest find is the fourth exceptionally-sized (+100 carat) white diamond unearthed this year. Together with the three yellows stones larger than 100 carats recovered this year, their total of exceptional finds now sits at seven: the miner this year has recovered gem-quality white diamonds weighing 123.5, 127, 140 and 161 carats to go with gem-quality yellows weighing 114.2, 134 and 135 carats.

  • Lucara Diamond Corp. has recovered a 123-carat gem quality top white Type II diamond from its 100% owned Karowe Diamond Mine located in Botswana. The miner also recently recovered a 375-carat gem quality diamond at Karowe from the processing of historic DMS recovery tailings, generated prior to the incorporation of Lucara's XRT diamond recovery circuits. 

  • Rare and exceptional fancy color diamonds, as well as a large flawless emerald diamond will be in the spotlight at this autumn’s Magnificent Jewels and Jadeite auction at Sotheby's Hong Kong. The October 7 sale presents three very remarkable stones: a superb 10.64-carat fancy vivid purplish-pink diamond of internally flawless clarity estimated at $19.1 million to $25.5 million, an important 6.01-carat fancy vivid blue diamond, and a magnificent 80.88-carat D-color, flawless diamond.

  • Gem Diamonds first half 2019 results took a downturn as the miner recoverd fewer large stones at its Letšeng mine in Lesotho, while the average prices achieved per carat - while still the highest in the business - fell well below their averages over the past three financial halves. While year-over-year comparisons are somewhat skewed by the very high bar set in in H1 2018, revenue from the sale of rough stones was down 44% to $94.5 million compared with $168 million in H1 2018, though it was not too far off revenue from the previous half (H2 2018), which totaled $99 million.

  • Gem Diamonds has unearthed a 114.2-carat yellow stone from its Letšeng mine in Lesotho, making it the fourth major recovery of a colored diamond from the mine this year and the sixth gem-quality stone larger than 100 carats since the year began. 

  • Replicating the first-half results of 2018 was always going to be a challenge for Gem Diamonds, and against that high bar the miner came up short in H1 2019.

  • AGD Diamonds recovered three large diamonds weighing more than 100 carats between May and July 2019 at the Grib diamond mine in the Arkhangelsk Province of Russia and has now given them names. The largest of them, a unique diamond weighing 222.09 carats - touted by the company as the largest ever discovered in Europe - was named “Vladimir Grib” in honor of the former AGD chief geologist, an outstanding exploration pioneer. The stone was recovered on May 4, 2019 and is likely to be sold in Antwerp.

  • Gem Diamonds has unearthed a 'high-quality white diamond' weighing 140 carats from its Letšeng mine in Lesotho, making it the second white diamond larger than 100 carats recovered this year as well as the fourth of this magnitude in 2019.

  • Russian diamond mining giant Alrosa has recovered one of the largest rough diamonds to date from the Zapolyarnaya pipe of its Verkhne-Munskoye deposit, which officially opened in the autumn of 2018. The stone is a gem-quality rough weighing 63.15 carats of an octahedral shape with small chips on the edges and tops. The diamond is transparent with a yellow hue, the miner adds.

  • 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.

  • BlueRock Diamonds plc, the AIM-listed junior mining company which owns and operates the Kareevlei Diamond Mine in the Kimberley region of South Africa, has recovered its largest diamond to date: a 24.98 carat gem-quality stone. The miner’s largest diamond prior was 16.28 carats, which sold for $78,947. BlueRock's shares jumped 15% on the news published June 7, but the gain was short-lived, having receded to its level prior to the fiind. Update - The 24.98-carat rough diamond sold for for $190,000, representing an average price of $7,606 per carat.

  • Alrosa recently held two international auctions for special size rough diamonds (larger than 10.8 carats), earning a combined $19 million from 221 stones weighing a total of 3,490 carats. At the first, which took place in Ramat Gan, Israel, the company sold 120 stones with total weight of 1,940 carats, earning revenue of $10.2 million, or$5,258 per carat. The auction included two large diamonds weighing more than 50 carats each.

  • Lucapa Diamond Co. has recovered a 130 carat gem-quality diamond from its Lulo Diamond Project in Angola. The 130-carat diamond is the 13th diamond larger than 100 carats the miner has recovered to date and the second recovered so far in 2019 from the mine that produces the highest average US$ per carat alluvial diamond production in the world. Lucapa continues to recover large Special (+10.8 ct) white and fancy colored diamonds at the Lulo diamond concession.

  • Russian diamond miner Alrosa recently held two auctions of special-sized rough diamonds (+10.8 carats) in Vladivostok and Dubai, earning a total of $18.6 million from the two sales. The miner's haul from the Vladisvostok auction exceeded $9.65 million, with 29 companies from Belgium, India, Israel, the UAE, the USA, Hong Kong and Russia participating. A total of 150 diamonds with a total weight of 2,482 carats were up for sale, with 121 stones (2,030 carats) sold. Two especially large diamonds were sold, weighing 58.92 and 41.48 carats.

  • Lucara Diamond Corp. has recovered an astonishingly large diamond - 1,758 carats - from its Karowe Diamond Mine in Botswana. One of the largest diamonds in recorded history and the largest diamond ever recovered in Botswana, it may not be an immensely valuable clear white Type IIa beauty the miner is famous for - such as the 1,109-carat Lesedi La Rona or the 813-carat Constellation that fetched a record $63 million for a rough diamond - but it indicates the potential Lucara's state of the art XRT recovery circuit to detect and recover huge gems without breaking them.

  • Russian diamond miner Alrosa unearthed a gem-quality stone weighing 118.91 carats on April 16th, the eve of the launch of Zarya - a new deposit of ALROSA at Aykhal Mining and Processing Plant. It is the largest gem-quality diamonds found at the ‘International’ pipe over the past two years. The mined crystal is one of the largest gem-quality diamonds extracted from the ground at the mine ‘International’ in recent years; a similar large gem-quality diamond (109.61 carats) was mined here in summer of 2017.

  • Only weeks after recovering a 425-carat diamond, Petra Diamond's famed Cullinan mine has produced another big stone, this time a 209.9 carat D-Colour Type II diamond. The big diamond is the third +100ct Type II D color gem-quality diamond Petra has recovered since March 2019 and the fourth in this financial year. The find will take some of the sting out of the 7% production decline in the third fiscal quarter due to a slowdown at its Finsch mine in South Africa.

  • The Graff Lesedi La Rona weighs an awe-inspiring 302.37 carats and is a top D color, with exceptional clarity and both excellent polish and symmetry. The 302.37 carat Graff Lesedi La Rona is touted as the largest highest color, highest clarity diamond ever certified by the GIA, and the world’s largest square emerald cut diamond, expertly cut and polished by Graff’s world leading team of gemmologists and master polishers - a group from Antwerp.