Over one hundred years of jewelry production coupled with our dedication to the highest level of manufacturing, Oscar Heyman jewelry is strongly present in the estate market both with dealers and at auction house, where it demands a premium. In addition to our collection, Oscar Heyman has made private label pieces, stamped with the brand or store’s makers mark, for some of the world’s most renowned jewelry institutions. Oscar Heyman collects such pieces. Please contact us if you are interested in purchasing or selling an estate piece. Archival research may be requested to ascertain the authenticity of pieces for a fee. To inquire, email email@example.com.