Stuck on the Jewellery store mission already! - posted in GTA V: Im doing it smart. But as soon as ive finished casing the jewellery store and. The Jewel Store Job is a mission in Grand Theft Auto V. This is the first heist mission in the. When it comes to heist missions in Grand Theft Auto 5, you have two options: the For this walkthrough, we teach you how to master the Jewel Store heist with the Drive back to the lockup to meet up with Lester and complete the mission.