How Jewellery Houses Aim to Stay Ahead In 2026 Dejar un comentario / Blog, Tech / Por henrysolis68aracsa.co.cr High jewellery brands including Boucheron, Chaumet, De Beers and Dior showed new collections at Haute Couture week in Paris as they manage so far to ride out geopolitical tensions which have sent gold and silver to new highs while the dollar sinks.