This project came up on a jewelry group - a diamond encrusted skull byartist Damien Hirst titled "For the Love of God".
Gallery website http://www.whitecube.com/
Artist with skull http://tinyurl.com/ypyjjy
More on the artist http://en.wikipedia.org/wiki/Damien_Hirst
UK newsarticle with a slideshow of how the piece was made. Click onthe "In pictures For the Love of God". http://tinyurl.com/3dzk48