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Historic sale of blue and pink diamonds
Image Gallery (3 Images)
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The Tetlapa Tala Collection of blue diamonds, from the Cullinan Mine in South Africa, has been sold at tender. Image credit: Petra Diamonds
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Richard Duffy, CEO Petra Diamonds
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The Spirit of the Rose diamond was sold for a record $US26.6 million at auction this month. Image credit: Sotheby's
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