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

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?'

http://www.youtube.com/user/HeadsqueezeTV
http://www.youtube.com/subscription_center?add_user=HeadsqueezeTV

Видео What makes a diamond priceless? | James May's Q&A (Ep 7) | Head Squeeze канала BBC Earth Lab