"I'm going to go right ahead and find that cave where they make diamonds!"

"That's the men getting ready to make diamonds, I guess," was the answer.

"For there are several points about making diamonds that are not quite clear to me," he said.

I invested the money to learn how to make diamonds, and you know it!

"You pay me for making diamonds and not telling anybody I can make 'em."

Never realized he could make diamonds simply by developing the idea a bit.

When I'm dead, the formula will be made public, and everybody can make diamonds.

It is more difficult than squeezing graphite to make diamonds.

They've used such processes to make artificial diamonds, but they wouldn't work on steel.

Unfortunately for Tom and friends, they were never able to get close enough to the machinery to determine the secret to making diamonds.