I LOOOOOVE Taffin and Courteille, and this is a GREAT list you came up with! What fun to think about different jewelry houses. I'd also add Verdura (wouldn't it be fabulous to have one of their Maltese cross bracelets? Although they don't look too comfy) and I also really like Hemmerle, which seems to be very highly regarded by the jewelry dealers Camilla Dietz Bergeron and Patricia Hambro. Of course there is JAR too!