A Rio Tinto 1.32 carat square radiant pink diamond known as the Argyle Siren, which could easily fetch over US$1 million, is displayed in Hong Kong. Photo: AFP A Rio Tinto 1.32 carat square radiant pink diamond known as the Argyle Siren, which could easily fetch over US$1 million, is displayed in Hong Kong. Photo: AFP
A Rio Tinto 1.32 carat square radiant pink diamond known as the Argyle Siren, which could easily fetch over US$1 million, is displayed in Hong Kong. Photo: AFP

Rio Tinto brings rare pink diamonds to HK as it entices Chinese buyers

A Rio Tinto 1.32 carat square radiant pink diamond known as the Argyle Siren, which could easily fetch over US$1 million, is displayed in Hong Kong. Photo: AFP A Rio Tinto 1.32 carat square radiant pink diamond known as the Argyle Siren, which could easily fetch over US$1 million, is displayed in Hong Kong. Photo: AFP
A Rio Tinto 1.32 carat square radiant pink diamond known as the Argyle Siren, which could easily fetch over US$1 million, is displayed in Hong Kong. Photo: AFP
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