Auctions
Coloured diamonds steal show at Geneva auction
![](https://www.jewelleryfocus.co.uk/wp-content/uploads/2016/11/David-Bennett-auctioneering-the-Sky-Blue-Diamond-16-November-2016-e1479395236239-780x470.jpg)
Coloured diamonds remain โhighly desirableโ, according to auction house Sothebyโs following its recent jewellery sale in Geneva.
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