The couple celebrated their 'diamond (wedding) anniversary' a few months ago. = ('Brit') They celebrated their 'diamond wedding'.
The house is a 'diamond in the rough', and with some hard work it will be really beautiful.
Her husband gave her a 'diamond' [=a diamond ring] for her birthday.
(..) - Inspector? - Exactly. And your first case is the Gluant murder... ...and theft of the Pink Panther diamond. - I am honored. - Good. Jacques Clouseau, by the power vested in me... ...I hereby appoint you (..)2006 The Pink Panther
(..) watching his every step. And while he is getting nowhere... ...I will put together the finest team of investigators in France... ...and we will hunt down the killer, retrieve the Pink Panther diamond... ...and then the Medal of Honor will be mine. And who is this incompetent? Oh, I think I know (..)2006 The Pink Panther