‘There is still quite a narrow visual language around men’s engagement jewellery,’ says Rachel Boston, on the eve of the launch of her collection of ten men’s rings. ‘I wanted to create something design-led and timeless, but with our own design signatures. Rings that feel substantial and masculine, where the interest comes through proportion and form rather than decoration for its own sake.’ Rachel Boston Evander Ring £3250 SHOP NOW   London-based jewellery designer Boston, who has made a sculptural sensibility her own, has created wedding bands and bespoke pieces for men before, but felt now was