Julius Cohen

Multi-Gem Floral Brooch, Julius Cohen.

Multi-Gem Floral Brooch, Julius Cohen.

Julius Cohen started his career as a jeweler in 1929 when he became an apprentice at his uncle’s shop: Oscar Heyman & Bros.1 Throughout the 1930’s, Cohen helped to extend Heyman’s influence into the Western and Southern United States. In 1942, Cohen was hired by Harry Winston and proceeded to travel with Winston’s “Court of Jewels” exhibit. In 1956 he opened his own jewelry salon, Julius Cohen and was known for creating jewelry of impeccable quality and design, most of which were commissioned pieces. Julius Cohen passed away in 1995 and his business passed on to his daughter and son-in-law, Marjorie and Leslie Steinweiss. The firm continues to produce fine jewelry and is now located at 699 Madison Avenue.

Maker’s Marks and Timeline:

Cohen, Julius



New York NY



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1956: Julius Cohen Jeweler, Inc.

  • Established his own business of designing and manufacturing.
    • Workshop at 53rd St. (next door to the famous Stork Club.)
  • Well Designed and Executed Fine Jewelry.
  • Renowned for Serving Customers at Home.
  • Won the prestigious Diamonds-International Award from DeBeers Corp.

1995: Death of Julius Cohen

  • Firm continues, run by his daughter, Marjory, and son-in-law, Leslie Steinweiss.
  • Leslie Steinweiss has, for over 28 years, been in charge of design development as well as custom work for valued clients.


  • Proddow, Penny & Debra Healy. American Jewelry: Glamour & Tradition. New York: Rizzoli, 1987.
  • Julius Cohen Website: www.juliuscohen.com

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  1. Healy & Proddow, 159