What makes a diamond priceless? EXTRAS | James May's Q&A (Ep 7) | Head Squeeze

Extras from James May's What makes a diamond priceless?

James May imparts his knowledge to let us know that diamonds aren't that rare after all.

James May's Q&A:
With his own unique spin, James May asks and answers the oddball questions we've all wondered about from 'What Exactly Is One Second?' to 'Is Invisibility Possible?'

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