Record auction sales boost jewellery investment performance

Record auction sales and strong demand for coloured diamonds and pearls have helped boost the investment performance of jewellery, according to estate agent Knight Frank.

Launched at an event held at the Mayfair headquarters of auction house Bonhams, the latest edition of the firm’s Luxury Investment Index (KFLII) focused on the performance of jewellery – which rose by 5% in value in the 12 months ending October 2015.

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