Mascha Seiden came from Germany to New York in the early 50s. Together with husband Paul Seiden they owned a fine jewelry store on 47th street.

 

After Mr. Seiden's death she moved into the Fifth Avenue Jeweler Exchange Diamond District New York on 47th street between 5th and 6th avenues in midtown Manhattan .

 

The Diamond District is the world's largest shopping district for all sizes and shapes of diamonds and fine jewelry.