Archive

  • 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.

  • 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.

  •  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.

  • 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.

  • 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.

  • Gem Diamonds recovered a 123.5-carat high-quality Type II white diamond at its Letšeng mine in Lesotho on Saturday, 20 July, the company announced this week. This find brings to three the number of white diamonds weighing more than 100 carats the miner has unearthed this year, and it is its second in the month of July. Gem recovered a similar 'high-quality white diamond' weighing 140 carats July 6, 

  • 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.

  • Petra Diamonds sold a 425-carat D color Type IIa white diamond, the ‘Legacy of the Cullinan Diamond Mine’, for just under $15 million, or approximately $35,295 per carat. Unearthed from its Cullinan mine in South Africa, the 424.89 carat gem was purchased by a partnership combining Belgium-based Choron and Dubai-based Stargems. It is expected to be polished in Antwerp. In a news release, Petra chief executive officer Richard Duffy called it a “significant sale” for the company.

  • A spectacular and comprehensive trove of nearly 400 diamonds, colored stones and the finest jeweled objects from the Mughal Empire (1526-1857) to the present day, with provenance including the royal and noble families of India, will be offered in a landmark auction this June at Christie's in New York. Christie’s anticipates the Maharajas & Mughal Magnificence jewelry auction could rank as one of its most high-profile and high-value jewelry auctions ever, featuring some incredible dia

  • "Meet Argyle Octavia" writes Rio Tinto on its Twitter account, referring to a rare 28.84-carat diamond discovered at the Argyle mine in east Kimberley, Western Australia. Named for her octahedral shape, the Argyle Octavia is one of the largest gem quality white diamonds ever found at Argyle, and may be one of the final significant finds from the famous diamond mine, which is scheduled to close in 2020. The 28.84-carat stone was discovered in March and will be sold by tender in Antwerp later this year. 

  • 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.

  • Firestone Diamonds recovered of a 72 carat yellow, makeable diamond from its Liqhobong Mine in Lesotho, during the past weekend. The 72 carat diamond was recovered together with a 22 carat makeable white stone, followed by an 11 carat fancy light-pink stone. These diamonds will go on sale via First Element tender house at the next tender in Antwerp,  which is scheduled to take place from May 8-14 2019 (see the entire Antwerp tender schedule here).

  • Gem Diamonds has recovered an exceptional, 134-carat Type I yellow diamond from Letšeng Mine in Lesotho, the miner's third important find in recent weeks and its second remarkable colored stone this year. It has been nearly two years since Gem Diamonds recovered a yellow stone of that magnitude.

  • Gem Diamonds unearthed a 161-carat top-quality Type II white diamond at the Letseng mine in Lesotho on 21 March 2019. It is the first recovery announced of a diamond weighing more than 100 carats in 2019, but not their first major find of the year. Last month, Gem recovered a high-quality 13.33-carat Type I pink diamond, which sold   for $8,750,360 in Antwerp.

  • Canadian junior miner Star Diamond Corp. has reported "unusually high proportions of Type IIa diamonds" at its kimberlite diamond project in Saskatchewan, and investors did not fail to notice, sending its shares soaring almost 15% on the news, closing at 24 Canadian cents.

  • At the 2019 Oscars, Lady Gaga wore a necklace featuring a 128.54-carat, 141-year old "Tiffany diamond", dubbed "one of the largest yellow diamonds in the world." It is reportedly worth over $30 million. Audrey Hepburn was the last lady to wear the incredibile, yellow, cushion-cut diamond it back in 1962 for publicity posters for Breakfast At Tiffany's. Last night marks only the third time in history that the Tiffany diamond was worn in public; before Hepburn's spin, the diamond was first worn by Mrs. Sheldon Whitehouse at the 1957 Tiffany Ball held in Newport, Rhode Island.

  • Exceptionally large diamond recoveries are, as a rule, an exception, but today we had two announcements of some very impressive stones: Lucara Diamond unveiled 223-carat stone from its Karowe mine in Botswana, while Lucapa Diamond Co. added a 128-carat find from its Lulo diamond field in Angola. 

  • Alrosa has recovered a unique rough diamond weighing almost 200 carats, which was mined at the Udachnaya kimberlite pipe in mid-January 2019. It is one of the largest diamonds recoverd by the Russian miner in recent years.

  • Gem Diamonds brought 2018 to a close much in the same way that it opened the miner's banner year - with the unearthing of a 125-carat high quality white, Type IIa diamond - recovered from the Letšeng mine in Lesotho. It was the fifteenth diamond greater than 100 carats the London-based miner recovered in 2018. The recovery, which took place on December 20, following the December 19 announcement of the recovery of high quality 101 carat and 71 carat white Type IIa diamonds, both recovered within a twenty four hour period.

  • The 24-carat pear-shaped, fancy yellow Moon of Baroda diamond famed for its association with Marilyn Monroe sold for $1.3 million at the Christie’s Hong Kong jewelry auction on Tuesday, easily beating estimates of $500,000 to $750,000.

  • Christie's has announced that the 18.96-carat Pink Legacy – the largest and finest Fancy Vivid Pink diamond the auctioneer has ever put on the block – will be offered for sale at their Magnificent Jewels auction in Geneva on 13 November. With an estimated price of $30 million to $50 million, it has the potential to break the record price per carat for its color category. That record is currently held by ‘The Pink Promise’, an oval-shaped Fancy Vivid Pink diamond of just under 15 carats, which Christie's sold in Hong Kong last year for $32,480,500 - an incredible $2,175,519 per carat.

  • From the Martian Pink from the Perfect Pink, the Sweet Josephine to the Pink Promise, Christie’s jewelry specialist Marie-Cécile Cisamolo tells the stories of the ten most prized pink diamonds the auction house has ever sold. Prices for top-quality, large pink diamonds have increased exponentially in recent years, driven by collector demand and increasingly limited supply. Pink diamonds gain their highly desirable color as a result of a rare, naturally occurring slippage of the crystal lattice in the stone while it is forming deep within the Earth’s crust.

  • Russian diamond mining giant ALROSA is planning to showcase a unique collection of large, fancy-colored diamonds at the Hong Kong Gem & Jewelry Fair in September, reports Rough & Polished. The collection of diamonds the miner will showcase includes 250 stones of different shapes and colors (including very rare colors) - purple, pink, orange and vivid-yellow - and is said to be the largest collection of fancy-colored stones the company has ever presesnted.

  • Namakwa Diamonds, the majority owner of the KAO mine in Lesotho, has announced the discovery and upcoming sale of its latest exceptional find, a 29.59 carat Fancy Pink diamond, named ‘The Rose of KAO’. The Rose was found on 12 June this year at Namakwa Diamond’s flagship mine KAO in Lesotho (owned 74.99% by Namakwa Diamonds, the rest by the government of Lesotho). The Rose will be shown and tendered in Antwerp with Bonas-Couzyn NV during KAO's fourth sale of the year (KAO-1804) from late September to early October.

  • Gem Diamonds has recovered a 138 carat, top white color Type IIa diamond from the Letšeng mine in Lesotho. This recovery is now the twelfth diamond of over 100 carats in 2018, and a record for the Company in terms of the number of diamonds of over 100 carats recovered in a year.

  • 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)