Seng Jewelers since 1889, is a full service jeweler located downtown in Louisville, KY. Seng Jewelers is Louiville's only diamond cutter, cutting their own Seng Firey Diamonds™ in house. Seng specializes in custom made jewelry in platinum and 18k gold, Diamonds, rare and precious gemstones, estate jewelry, Nouveau 1910, Faberge, David Oscarson Writing Instruments, Longines and Hamilton Watches. We can do the impossible; it just takes a little longer.