“With jewellery, they can search for the whole of eternity!” quipped an industry expert, summing up the growing attraction of a segment that sits in a unique position in the world of luxury products. Significant in this respect are the transformations that occurred in the last few years in Paris in rue de la Paix and place Vendôme, jewellery’s iconic stronghold. Several leading brands have upgraded their presence there, resulting in a facelift to the palace that hosts Boucheron, the opening of Gucci’s fine jewellery boutique, and the renovations and upgrades already carried out or planned by many labels, like Van Cleef & Arpels, Cartier, Bulgari and Chopard, all systematically involving extensions in the stores’ retail area. After a slow-down in Paris and elsewhere in Europ…