Two men are being sought for the Tuesday morning robbery in which workers were tied up and the owner was pistol-whipped.
One suspect has been identified as Raheem Hankerson, 30, of 5812 Lambert Street in Philadelphia.
A second suspect involved, who appeared to be wearing a wig, and has not yet been identified.
The robbery happened at A.I. Poland Jewelry Store at 4347 Main Street.
About $100,000 worth of jewelry was stolen, along with the store owner's handgun.
Anyone with information can contact the Philadelphia Police Department by calling 215.686.TIPS (8477) or visiting the department's website.