Comedian Ron White (of the Blue Collar Comedy Tour) has a great bit on the diamond ads. He’s annoyed that they are so indirect. To paraphrase:
They started out as “Diamonds are Forever.”
Then it was—”Diamonds—They’ll leave her speechless.”
Why not just come right out and say it—”Diamonds—That’ll shut her up.”
I know, it’s sexist. But so are the ads. And Ron White is one of the funniest comics I’ve ever seen.