Italian coffee giant Illy is acquiring the UK chocolate maker Prestat as it seeks to expand its presence in the gourmet food sector, according to reports in Comunicaffe and Reuters. Illy said that Prestat could partner with Domori, a premium chocolate giant acquired by the Italian firm in 2006. Producing a range of predominantly gifting chocolate, with an emphasis on chocolate truffles, Prestat reported sales of £7 million ($9.3 million) last year …