The woman, whose name was not reported, called police Thursday to report the alleged con, NJ.com reported.
Police said the woman told them that a couple, identified as Jessica Valenzuela, 27, and William Redonda, 33, both of West New York, told her they had won the lottery and needed help to collect the $625,000 prize.
The couple told the woman that they would split the prize with her if she put up put up "good faith" money, police said.
Once the woman handed over her jewelry, Valenzuela and Redonda allegedly fled the area.
A description of the couple's car was given to police and they were pulled over later that day.
The alleged victim of the scam was brought to the scene of the traffic stop where she identified Valenzuela, Redonda, and her jewelry.
The couple were arrested and taken to the Morris County Correctional Facility in lieu of $50,000 bail
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