Born in the former Soviet Union, Jacob Arabo immigrated to New York City with his family at the age of 14 (1979) and began working for a traditional jewelry manufacturer in New York's Diamond District while designing his own pieces in his spare time. 1986, at the age of 21, Arabo founded the jewelry company Diamond Quasar, which operated under the brand name Jacob & Co. In 1986, at the age of 21, Arabo founded the jewelry company Diamond Quasar, which operated under the brand name Jacob & Co, making fine jewelry for private clients. Clients include celebrities such as hip-hop artists Jay-Z, Drake, Sean Combs, Madonna, Rihanna, Elton John, Mariah Carey, sports stars Jordan and Beckham.