A Florida jewelry store owner shot an employee and then killed himself Saturday morning, stunning holiday shoppers at the Coral Square Mall in Coral Springs, Fla.

The mall, about 20 miles north of Fort Lauderdale, was put on lockdown after the 10 a.m. shooting.

Gus Kiriazis, 59, the owner of Fast-Fix Jewelry and Watch Repair, shot Sabas Antonio Ferrer, 52, “several times” and then turned the gun on himself, Detective Ernesto Bruna told The Post.

He did not detail the motive for the shootings. Coral Springs police were still interviewing mall customers and employees Saturday afternoon, Bruna said.

Kiriazis died at the scene from the self-inflicted gunshot wound. Ferrer, 52, was brought to Broward Health North hospital in critical condition, according to a report.

Cops were evacuating the shopping mall when Stephanie Speno, 33, was walking out of Macy’s and saw two women on their cell phones crying, according to Local 10 News.

Speno, a native of Auburn, N.Y., who lives in Orlando, was visiting family for Thanksgiving.

“We are in the middle of a terrorist event here in coral square! [sic] Wtf has America become?!? To be a part of an event like this is so scary!” Speno posted to Facebook.

Tracy Collins, 50, of North Lauderdale, told the Sun-Sentinel she was standing in line at Old Navy when the chaos broke out and employees directed people to the rear of the store, where they waited for about an hour.

Two people were shot, one of them fatally, in a New Jersey mall parking lot on Black Friday.