Two teens robbed a Bronx jewelry store at gunpoint and fled with about $200,000 in loot, authorities said.

The pair used a gun to rob G&G Jewelry on Southern Boulevard near Aldus Street in Longwood at about 11 a.m. Sunday, police said.

The teenage thugs stuffed their backpacks with merchandise, including gold chains, watches and diamond earrings, cops said.

One of the suspects was caught on surveillance video wearing a dark hoodie, black pants and tan shoes. His accomplice also wore a dark hoodie and dark pants.

Both robbers are still at large.