ATCO Properties & Management's office building at 555 Fifth Ave. has signed Jewels By Star, a.k.a., JB Star a 15-year, 10,153 s/f lease for a portion of the 7th floor. The 20-floor office property is located on the southeast corner of East 46th St. Founded in 1979 and known as one of the leading jewelry manufacturers in the industry, JB Star handcrafts wedding/anniversary bands, necklaces, bracelets and rings to fine retail jewelers throughout the U.S. The company, presently located at 579 Fifth Ave., expects to relocate to 555 Fifth Ave. in the spring of 2014. Avi Ben-Ishay, managing director of Norman Bobrow & Co, Inc. represented the tenant, while Peter Goldich, managing director of ATCO es represented the landlord. "We're delighted to welcome this premier and respected leader of jewelry craftsmanship to our building," Goldich said. "JB Star's passion and dedication to artistic excellence align perfectly with 555 Fifth Ave.'s stylish marble lobby, fashionable Midtown location and close proximity to luxury retail brands." With its central Midtown East location, 555 Fifth Ave. offers a mix of office and retail space blocks from Grand Central Terminal. The 20-floor, LEED Silver awarded 555 Fifth Ave. hosts a list of prominent tenants, including Nicoletti Gonson Spinner LLP, Harris Corporation, CW Financial Services, Valley National, Global Excess Partners, Floyd Advisory, Barnes & Noble and Wichcraft. Currently 25,979 s/f of office space in units between 5,000 and 8,000 s/f are available for lease.