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Rio Tinto Lowers Outlook as Argyle Closure Looms
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Rio Tinto expects a decline in diamond production in 2020 as it reduces output at its Argyle mine in Australia, which is set to close in the fourth quarter.The company will produce between 12 million and 14 million carats for the year,...
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Mining
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Jan 19, 2020
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Rapaport News
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Diamonds That Created a Buzz in 2019
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It was another big year for big diamonds, with several stones that raked in big bucks, set records, or otherwise made headlines. These were the stones that caught our attention in 2019.Biggest money makers1....
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Polished Markets
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Dec 31, 2019
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Leah Meirovich
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Phillips Garners Nearly $10M at Hong Kong Auction
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Phillips’s Hong Kong sale brought in $9.6 million, with a ruby ring standing out as one of the top-selling items, the auction house said Tuesday. The 5.22-carat pigeon’s blood Burmese ruby and diamond ring...
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Polished Markets
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Nov 26, 2019
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Rapaport News
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Rio Tinto Seeks Majority Stake in Canada Site
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Rio Tinto wants to buy a 60% stake in the Star-Orion South diamond exploration site in Canada for CAD 70.5million ($53.3 million), according to project owner Star Diamond Corp. In 2017, Rio Tinto entered into a joint-venture...
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Mining
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Nov 17, 2019
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Rapaport News
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Labs Identify Fingerprint for Argyle Pinks
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Two gem labs have joined forces to identify a method for determining whether a pink diamond came from the Argyle mine in Australia, and are issuing lab reports confirming their provenance.Beginning in 2014, the team,...
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Polished Markets
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Nov 04, 2019
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Leah Meirovich
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Phillips to Sell Rare Pink Diamond Collection
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Rare pink diamonds from Rio Tinto’s Argylemine in Australia will lead the upcoming Hong Kong Jewels and Jadeite auction atPhillips next month. The collection comprises 16 jewelry pieces,each incorporating stones from the...
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Polished Markets
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Oct 24, 2019
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Rapaport News
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Rio Tinto Unveils Array of Rare Argyle Pinks
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Rio Tinto has launched a collection of rare pinkdiamonds from its Argyle mine, which has been specially curated to showcase thefull color palette of the deposit’s stones. The Argyle Pink Everlastings collection contains 64 lots...
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Mining
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Sep 09, 2019
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Rapaport News
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Sotheby’s Expects $26M for Pink Diamond
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A 10.64-carat pink diamond ring worth up to $25.5 million will go under the hammer at Sotheby’s Hong Kong sale. The fancy-vivid-purplish-pink center stone is internallyflawless, the auction house told Rapaport News Friday. Sotheby’s willoffer the...
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Polished Markets
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Aug 18, 2019
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Rapaport News
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Rio Tinto Incurs Loss in Diamond Division
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Weak rough prices pushed Rio Tinto’s diamond unit into thered in the first half of the year, the miner reported Thursday. The division recorded a net loss of $5 million for the sixmonths ending June...
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Mining
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Aug 01, 2019
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Rapaport News
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Rio Tinto Output Falls in 1H
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Diamond production at Rio Tinto dropped 10% year on year inthe first half of 2019, as the miner recovered lower-grade ore at its Argylemine in Australia. The company’s share of production at the Argyle and Diavik mines came...
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Mining
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Jul 16, 2019
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Rapaport News
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Argyle Yields Its Largest-Ever White Diamond
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Rio Tinto’s Argyle mine has yielded the largest gem-qualitywhite diamond in its 35-year history, the miner said Tuesday. The 28.84-carat stone, named Argyle Octavia for itsoctahedral shape, was discovered at the Australia-located...
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Mining
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Apr 23, 2019
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Rapaport News
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Rio Tinto Diamond Production Falls
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Diamond production at Rio Tinto dropped 18% year on year inthe first quarter of 2019, as the miner recovered lower-grade ore at its twodeposits. Production came to 3.8 million carats for the three monthsending March 31,...
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Mining
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Apr 16, 2019
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Rapaport News
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Rio Tinto Diamond Revenue Declines
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Diamond sales at Rio Tinto fell 5% to $323 million in thefirst half of the year, the miner reported Wednesday. Net profit for the division nearly tripled to $55 millionfrom $19 million a year ago. Production increased...
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Mining
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Aug 01, 2018
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Rapaport News
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Rio Tinto Slashes Argyle Outlook
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Rio Tinto has lowered its estimate of diamonds it can viably extract from the Argyle mine, after experiencing operationaldifficulties and reducing its price forecast. The asset’s ore reserves slumped 45% to 16 million tonnes...
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Mining
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Mar 05, 2018
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Rapaport News
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Rio Tinto Plans Lower 2018 Production
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Rio Tinto expects diamond production of between 17 million and 20 million carats in 2018, representing a decrease in output compared to last year. The company did not explain the expected drop.Diamond production in 2017 grew 21% to 21.6...
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Mining
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Jan 21, 2018
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Rapaport News
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Graff Among Buyers at Record Pink Diamond Sale
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Rio Tinto reported “double-digit” price growth at thisyear’s Argyle Pink Diamonds Tender, with Graff Diamonds among the companies puttingin winning bids. Collectors and jewelers from 11 countries bought the 58pink, red and...
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Polished Markets
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Nov 09, 2017
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Rapaport News
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Red Argyle Diamond to Appear at Taiwan Show
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A rare, fancy red diamond from the Argyle mine in Australiawill go on display at the Taiwan Jewellery & Gem Fair later this week.Taiwan-based Jurassic Inc. will showcase the 1-carat Kimberley Red diamond at the exhibition,...
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Polished Markets
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Oct 30, 2017
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Rapaport News
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Jeweler Displays $100M of Colored Diamonds
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Australian jeweler Linneys is showcasing $100 millionworth of jewelry featuring rare colored diamonds from the Argyle mine.The highlight of the collection is a ring containing theArgyle Violet, a 2.83-carat fancy deep grayishbluish violet diamond that Rio...
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Polished Markets
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Oct 16, 2017
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Rapaport News
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Rain at Argyle Dampens Rio Tinto’s Diamond Offering
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Rio Tinto’s rough-diamond output declined 2% to 4.3 millioncarats in the second quarter as wet weather restricted production levels at theArgyle mine.Output from the mine in Western Australia fell 8% to 3.2million carats compared to the corresponding period last...
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Mining
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Jul 19, 2017
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Rapaport News
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Argyle Diamond Coins Sell Within a Month
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Rio Tinto sold a set of diamond coins to an Asian buyer for $1.4million (AUD 1.8 million) within a month of the collection’s unveiling, theminer announced Thursday.The anonymous collector snapped up the Australian Trilogy,which features three coins,...
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Polished Markets
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Jul 06, 2017
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Rapaport News
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