Rare blue diamond goes on display in Abu Dhabi ahead of May auction

A rare blue diamond went on show at an exhibition centre in Abu Dhabi on Tuesday, ahead of a Sotheby’s auction in Geneva next month.

The 10-carat Mediterranean Blue is the expected to fetch as much as $20 million dollars at the sale.

It is the centrepiece of a set of diamonds, valued at $100 million dollars, currently on pre-auction display.

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