Rio Tinto showcases the world’s largest collection of rare red and pink diamonds
12 August 2014 Rio Tinto’s iconic Argyle Pink Diamonds Tender has been unveiled during a world exclusive preview in Sydney, with the 2014 collection boasting a record four rare Fancy Red diamonds. Celebrating the 30th anniversary of the world’s most anticipated diamond sale, the 2014 Argyle Pink Diamonds Tender collection comprises 55 diamonds, including 51 …