Meaning of Hope diamond

Hope' dia'mond

Pronunciation: [key]
  1. a sapphire-blue Indian diamond, the largest blue diamond in the world, weighing 44.5 carats and supposedly cut from a bigger diamond that was once part of the French crown jewels: now in the Smithsonian Institution.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.