That's not how odds work and you know it.For the ones that seem to get the diamonds a lot, it is just 20% less, because we go from 5 chances at 500 diamonds every 10 chests, to 4 chances at 500 diamonds every 10 chests.
This is nothing but an uber nerf. typical Inno swinging the pendulum back twice as hard.
"Hey, here's some sips of clarity! But....."