Image: Johnson, manager of Rio Tinto's Argyle Pink Diamonds, holds the Argyle
David Gray / Reuters   |  May 17, 2013

1.56-carat rare red diamond debuts in Sydney

Rio Tinto Australia unveiled the largest red diamond ever found at their Argyle mine in Western Australia.'s Dara Brown reports.

Share This:

Sorry, we do not have a transcript available for this video at this time.