Geologist and chemical scientist John Watling can tell you exactly where your diamonds come from.
Not just what the Tiffany’s or Cartier packaging says, or the murky certification offered by the world’s largest diamond miners, De Beers and Alrosa, but right down to the exact patch of dirt in the exact mine.
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Jessica Sier is the North Asia Correspondent for The Australian Financial Review. She is based in Tokyo, Japan. Jessica has previously written on technology, global capital markets and economics. Connect with Jessica on Twitter. Email Jessica at jessica.sier@afr.com
