CHICAGO (CBS) — An elderly woman was confronted on the Magnificent Mile by a mob of young men on Wednesday, who proceeded to take $100,000 worth of jewelry she was wearing.

A Chicago police source said the 69-year-old woman from Homewood Flossmoor was accosted by 10 to 12 African American men while walking in the 700 block of North Michigan around noon in front of Saks Fifth Avenue.

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They threatened to beat her if she didn’t give them her purse and jewelry.

She took off her jewelry, valued at around $100,000, and handed it to them.

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“Right away, one  took my purse, and then the other one said, ‘Either you take off your jewelry or I will,’” the victim tells CBS 2’s Suzanne Le Mignot.  “I’m a little lady, and they were big.”

According to police, the woman had a leaf-shaped pin she was wearing that was encrusted with diamonds and surrounded by black onyx. That alone was valued at $50,000.

The men involved were between 18 and 19 years-old. They were wearing baggy pants and dreads. They ran northbound on Rush towards Chicago Avenue to escape.

There was also a second incident at 1 p.m., in front of 800 N. Michigan, involving three female African-Americans and one male African-American who stole an iPhone from someone. Those suspects were taken into custody.

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Charges had not yet been filed.