Founded in 1954 in Montreal by Swiss-born jeweller Emil Pius Kaufmann, Kaufmann de Suisse is a family-run maison recognised for its meticulous in-house craftsmanship and six Diamonds International ...

Last year Sotheby’s in Geneva sold a Georgian diamond tasselled necklace for US$4.8 million. The spectacular jewel, known as the Anglesey Diamond Négligé necklace, is a highlight alongside other ...