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Star Diamond 150
Rio Tinto Seeks Majority Stake in Canada Site
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...
Mining Nov 17, 2019 Rapaport News
Argyle Pinks
Labs Identify Fingerprint for Argyle Pinks
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,...
Polished Markets Nov 04, 2019 Leah Meirovich
Phillips
Phillips to Sell Rare Pink Diamond Collection
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...
Polished Markets Oct 24, 2019 Rapaport News
Rio Tinto
Rio Tinto Unveils Array of Rare Argyle Pinks
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...
Mining Sep 09, 2019 Rapaport News
Sotheby's
Sotheby’s Expects $26M for Pink Diamond
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...
Polished Markets Aug 18, 2019 Rapaport News
Rio Tinto
Rio Tinto Incurs Loss in Diamond Division
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...
Mining Aug 01, 2019 Rapaport News
Argyle mine 600
Rio Tinto Output Falls in 1H
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...
Mining Jul 16, 2019 Rapaport News
Argyle Octavia 150
Argyle Yields Its Largest-Ever White Diamond
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...
Mining Apr 23, 2019 Rapaport News
Rio Tinto
Rio Tinto Diamond Production Falls
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,...
Mining Apr 16, 2019 Rapaport News
Argyle glove 200
Rio Tinto Diamond Revenue Declines
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...
Mining Aug 01, 2018 Rapaport News
Rio Tinto Argyle mine
Rio Tinto Slashes Argyle Outlook
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...
Mining Mar 05, 2018 Rapaport News
Rio Tinto Reports Diamond Production 150
Rio Tinto Plans Lower 2018 Production
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...
Mining Jan 21, 2018 Rapaport News
Graff Argyle pink 2017
Graff Among Buyers at Record Pink Diamond Sale
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...
Polished Markets Nov 09, 2017 Rapaport News
Kimberley Red Argyle
Red Argyle Diamond to Appear at Taiwan Show
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,...
Polished Markets Oct 30, 2017 Rapaport News
Argyle violet diamond ring
Jeweler Displays $100M of Colored Diamonds
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...
Polished Markets Oct 16, 2017 Rapaport News
Argyle mine rio Tinto
Rain at Argyle Dampens Rio Tinto’s Diamond Offering
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...
Mining Jul 19, 2017 Rapaport News
Australian Trilogy Rio Tinto
Argyle Diamond Coins Sell Within a Month
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,...
Polished Markets Jul 06, 2017 Rapaport News
Merlin pink diamond
Merlin Finds Two Pink Diamonds in Australia
Merlin Diamonds recovered two pink diamonds at its mine inAustralia’s Northern Territory, the company said Monday.While extremely small at 0.039 carats and 0.025 carats, therough stones indicate the possibility of finding further pink...
Mining Jul 03, 2017 Rapaport News
Australian Trilogy Rio Tinto
Rio Tinto Diamond Coins Have $1.4M Price Tag
Rio Tinto has teamed up with the Perth Mint to release a$1.4 million (AUD 1.8 million) collection of coins featuring three coloreddiamonds from the Argyle mine.The “Australian Trilogy” comprises a trio of coins fromgold, platinum...
Mining Jun 07, 2017 Rapaport News
Riot Tinto Red Diamond Argyle
Resource Estimate Drops for Argyle Mine
Rio Tinto has lowered its estimate of the mineral resourcesavailable at its Argyle diamond mine in Australia, as the company reconsiders itsplans to extend the project.Estimated mineral resources fell 66 percent to 15 milliontonnes in 2016, compared with the...
Mining Mar 05, 2017 Rapaport News
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