Chaumet is a subsidary of luxury conglomerate LVMH (Moet Hennessy•Louis Vuitton) (http://www.unitedagainstnucleariran.com/company/lvmh-moet-hennessy%E2%80%A2louis-vuitton)
The French high-end jewelry manufacturer lists an authorized retailer in Tehran. (Chaumet Website, "Points of Sale," input: "Iran") (http://www.chaumet.com/detaillant-chaumet-teheran-javaheri-saatchi)