Dallas Police are investigating a theft at the Zales jewelry store in NorthPark Center on February 6.
Some off-duty officers were working at the mall when they were alerted about the robbery.
According to police, two unidentified suspects broke glass jewelry cases and took six rings from the store, located at 8687 North Central Expressway.
The suspects grabbed $30,000 worth of jewelry and fled the scene.
An investigation is underway.