Gemfields, which owns brand, agrees deal with SMG Capital, controlled by Sergei Mosunov

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Fabergé, the jeweller famed for its imperial Russian Easter eggs, has been sold to a technology investor in a $50m (£37m) deal.

Gemfields, which mines coloured gemstones in Africa, has agreed to sell Fabergé to SMG Capital, a US investment company controlled by the tech backer Sergei Mosunov.

The struggling miner, which bought Fabergé in 2013 for $142m from the private equity company Pallinghurst, put the company up for sale in December, when political unrest in Mozambique prompted it to temporarily freeze operations at its ruby mine.