What does the word carat mean?

Usage examples for carat

  1. Air is more useful than jewels, but a carat of air is not as useful as a one- carat diamond. – The Value of Money by Benjamin M. Anderson, Jr.
  2. He did not look up, but, as if he were aware that the world was looking on, ready to obey, he rested his finger- tip on the showcase immediately above an eighteen- carat cabochon emerald surrounded by very white diamonds set in platinum. – H. R. by Edwin Lefevre
  3. I will bind myself to secrecy, as you must; I will guarantee that no stone from the same source is ever offered in the market or privately, while you gentlemen, and his manner was emphatically deliberate, purchase from me at one- half the carat price you now pay one hundred million dollars' worth of diamonds! – The Diamond Master by Jacques Futrelle