Two serial thieves have made off with more than $50,000 in jewelry and cash in a crime spree that’s targeted victims on the streets of Manhattan and the Bronx, police said.

The pair is suspected in a trio of early-morning armed robberies over the past week. After each heist, they sped off in their car, officials said.

The two drove up alongside a couple getting into their car near Broadway and Verveelen Place in Kingsbridge and jumped out, pulling guns on them, on Aug. 26, video released by police shows.

The suspects grabbed cash and jewelry and fled south on Broadway in a Kia sedan, police said.

The men repeated the crime the next day, approaching a 27-year-old man buying food on the corner of Ninth Avenue and 207th Street in Inwood, cops said. The thieves held him at gunpoint and stole cash and $25,000 in jewelry before jumping back in their car and driving away.

In the most recent stickup on Monday, the robbers targeted a 33-year-old man walking into his building near Montgomery Avenue and West 175th Street in University Heights, brandishing their guns and forcing him to take off his necklaces and bracelet, police said. They took off in a BMW with $29,000 worth of jewelry.

None of the victims was injured, authorities said.