How do I pass the grid of stones to the diamond?

There's a grid of stones on the way to the diamond in the diamond exhibition room in the newest heist, The Diamond.

Kind of like Indiana Jones, where one must carefully step on the right steps to avoid traps, we attempted to make our ways across, only to hit the wrong one and trigger the alarms.

What is the correct path across each time? Is it randomnated, are there clues around the map that will tell us which stone to step on?