"I have got an extract, which you shall see presently.

Don't be slovenly-minded, Betteredge! One thing at a time.
You have heard about the Colonel's Will; now you must hear what happened after the Colonel's death.

It was formally necessary to have the Diamond valued, before the Will could be proved.

All the jewellers consulted, at once confirmed the Colonel's assertion that he possessed one of the largest diamonds in the world.

The question of accurately valuing it presented some serious difficulties.