mining

DeBeers ‘ReSet Collective’ launches with 5 prominent jewelry designers
DeBeers has launched an initiative titled ReSet; a series of collaborations with jewelry designers spotlighting the positive impact of natural diamonds and stimulating conversations about sustainability.
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9.07 carat diamond found on 9/07 in Arkansas
Kevin Kinard visited Crater of Diamonds State Park regularly for more than 25 years, but never found a diamond until Labor Day 2020. Now he has the distinction of discovering the second largest diamond to ever come from the popular Arkansas tourist site, at just over nine carats.
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Petra finds 5 rare blue diamonds totaling 85+ carats!
Can we call them the Blues Brothers? Individually weighing 25.75 carats, 21.25 carats, 17.57 carats, 11.42 carats and 9.61 carats, Petra Diamonds reports that these spectacular siblings were assessed to be individual stones, not originally part of a larger diamond.
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ALROSA auctions confirm demand for high-quality diamonds
ALROSA reported more than $20 million in revenue generated by special-size rough diamond auctions in Belgium and Israel this month. The diamonds were sold to clients from Belgium, India, Israel and United Arab Emirates.
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Lesotho’s Letseng mine keeps amazing us in 2020
The last two 100+ carat diamonds, unearthed over a span of 48 hours, are the 10th and 11th gem-quality stones weighing more than 100 carats found at Letšeng this year. At an elevation of more than 10,000 feet, the world’s highest diamond mine also boasts the world’s highest value-per-carat.
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‘One Lifetime, One Encounter’ auction honors Argyle mine closure
The Argyle Diamond Mine in the remote east Kimberley region of Western Australia is scheduled to close by the end of 2020 following nearly forty years of production. “One Lifetime, One Encounter” is an auction event, offering a collection of the rarest diamonds extracted there over a year’s production.
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Tiffany ‘Full Craftsmanship Journey’ traces diamonds mine to market
Tiffany & Co. has announced a program detailing the provenance of the diamonds they sell, beginning with country and mine of origin. The New-York based jeweler plans to share this “Full Craftsmanship Journey” for every newly-sourced diamond of 0.18 carats or more.
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236 carat fancy-colored diamond breaks records
The Ebelyakh mine in Yakutia has yielded a number of remarkable colored diamonds in the past several years, including this newcomer. A 236 carat yellow-brown crystal which is the largest colored rough diamond ever extracted in Russia.
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RESOLVE and DDI merge to advance Responsible Sourcing
RESOLVE, an early pioneer in the area of environmental conflict resolution, and the Diamond Development Initiative (DDI), responsible for facilitating more efficient, formal and environmentally responsible approaches in the African diamond mining sector, will integrate their programs to strengthen their efforts going forward.
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Diamond miners & producers going carbon neutral
Several years ago industry giant DeBeers went on-record with plans to go carbon-neutral at some of its mines by 2022. Now nine of DeBeers’ sightholder-producers are pledging to work toward the same goal of carbon-neutrality.
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Trapiche gemstones and Carmel Sapphire
Have you ever heard of “trapiche” gemstones? Those elegant six- pointed stars, so unique, so rare, so peculiar, such as emerald-beryl, ruby-corundum and sapphire-corundum, garnet, tourmaline and chiastolite? What about Carmel Sapphire, never found before on the whole terraqueous globe
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Three cheers for America’s red, white and blue gemstones
Right now there are delicious hot-dog, hamburger, steak and brisket barbecues occurring across the USA. There are potato salads, crisps and coleslaw. There’s corn on the cob and baked beans. I am inspired to mark America’s birthday with the sparkle of three American gemstones, all local to the USA, in her three patriotic colors.
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What’s 150,000 times more rare than diamond?
An extremely rare variety of beryl which gets its red color from trace amounts of manganese, the Utah Geological Survey estimated that one crystal of red beryl is found for every 150,000 gem-quality diamonds. In 2006 the Jewelers Association designated red beryl as the world’s rarest colored gemstone.
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The French Blue, a story of travel, treasure and diamonds
Just imagine – a humble mapmaker’s son travels the ancient world, discovers fantastic treasures, rescues a damsel and rises to the highest levels of French aristocracy. If you don’t know the story, “The French Blue” is a terrific read for true-lovers of diamonds, gemstones, travel, excitement and romance.
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A foto-feast of four delicious diamonds
Four of the most magnificent diamonds in recent years have come from the same Lucara-owned Karowe Diamond Mine in Botswana in recent years. I thought to assemble a visual feast of delicious rough and how they polished. My sparkling smorgasbord even includes both light and dark meat.
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Rough diamond sales go digital
Rough sellers are partnering with technology providers to facilitate digital-scans, videos and potential polishing plans for rough diamonds to their customers. Originally intended to facilitate pre-selection of choices ahead of traditional tenders, remote-purchasing has now become an option.
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Learn about Eira Thomas, Queen of Diamonds
Courtesy of The New Yorker earlier this year, “The Woman Shaking Up The Diamond Industry” is a thoroughly composed, thoughtful and uplifting story of history, intrigue, discovery and achievement – definitely worth an hour of your time.
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The Esperanza Diamond is still for sale
Did you ever wonder what happened to the incredible Esperanza Diamond? After a charmed journey, but a failed auction, this national treasure is still for sale. Let’s re-visit her unique story and see where things stand today.
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A loose diamond within a diamond
Nature never stops providing the extraordinary, unexpected and unique. This adamantine oddity was unearthed at an open-pit mine 200 miles north of Nyurba, Russia last October. Specialists immediately passed it to ALROSA’s Research and Development Geological Enterprise.
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The big pink disappointment
They had been smacking their lips at the Argyle diamond mine. They were hungry to receive the $10 million that beautiful, rare rough pink diamond would bring them. Alas, evil fate!
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A barrel of beryl
You know it as emerald, the birthstone of May. Today’s post celebrates all Maybies and Mayple (May babies and May people) with a focus on “your stone.” The largest high-quality rough emerald ever found, and the poetic story behind its provenance and sale.
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X-Ray diamond sorting ‘behind the scenes’
Have you heard of X-Ray diamond sorting? If not, be my guest and travel behind the scenes to an alluvial diamond-mining operation overseen by our friends at Alrosa. They have provided an amazing video example of this efficient method of separating the wheat from the chaff, as it were.
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Extraordinary and unusual stones
Humans need variety right now. We’re always hungry for something new, sick of eating the same old thing. So let’s change things up. Set out your tableware, put on the candles and prepare for a nouvelle experience in three courses. Bon appétit!
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Natural diamond? Lab-grown diamond? How to choose?
“A diamond is forever,” but the makers of that slogan considered it a two-way street, connecting a diamond’s billion-year past with an infinite-future. They never imagined someone proposing with a “forever” diamond that’s younger than the bride.
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