When Carolina Bucci launched her Forte collection of make-your‑own beaded necklaces in 2018, the fourth-generation Florentine jeweller underestimated the impact it would have on sales. Starting at £1,100, a box of 80 rainbow-coloured beads in turquoise, rock crystal, amethyst and other semi-precious stones – each one carefully cut to slide over 18ct-gold-tipped Lurex cords – can be customised with white, yellow, black and rose gold and pavé studded pendants to form a necklace…

