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. Last Updated: 07/27/2016

Weighty Diamond

SYDNEY () -- Argyle Diamonds Ltd. plans to sell the biggest gem it has produced in 11 years. The 3.66-carat pink diamond is part of a 47-gem collection to be offered in an invitation-only tender. In June, Argyle withdrew from the world's main diamond cartel, De Beers' Central Selling Organization.