They *Might* be Diamonds Cat Coaster

Sometimes your AI image generator manages to make a cat that looks something like a cat. But you asked for diamonds, not ornamental pebbles for a fish tank. To be exact, you asked for "black cat stretching out lying down on a white duvet surrounded by 100 carat diamonds" because the pros on reddit said to be as specific as possible. But what do they know about 100 carat diamonds? For that matter, what do any of us know about 100 carat diamonds?