Real jewellery can in fact be naturally sustainable, precious metals and gemstones can be recycled, and even if the design goes out of style, the materials retain their value and can be reused. However, many manufacturers and customers are paying closer attention to the working conditions under which the materials are extracted and the environmental impact of this process.

But it is now possible to buy jewellery made from responsibly mined gold, also known as fairmined gold, and diamonds and coloured gemstones also increasingly come with Fairtrade certificates or proof of origin. In the meantime, fairly produced materials are no longer used exclusively by smaller bespoke designers, as growing demand has led larger brands to evolve – like these three Swiss brands that are committed to producing sustainable jewellery: