The Argyle diamond mine closes in 2020, and they just released a collection of 64 stunning and super rare pink diamonds this month.
Rio Tinto launches one of the final rare Argyle pink diamond sales
Rio Tinto - Limited edition Argyle Pink Diamond ()
Round Brilliant Argyle Pink™ Diamond – J FINE
Researchers find missing clue to find pink diamonds - The Northern
Argyle unveils the 2017 Signature Tender — L.J. West Diamonds
Rio Tinto Reveals Rare 2.11-carat Fancy Red Diamond
Shopping for a Diamond Is About to Change - The New York Times
Rio Tinto launches new collection of rare Argyle pink diamonds
Argyle Pink Diamonds news and announcements