At a De Beers board meeting in Luxembourg on July 19, Philippe Mellier was appointed CEO of the De Beers Group.

FORBES: De Beers Diamond Sales Up 33%

The synthetic diamonds division of the De Beers Group has established a venture group capital fund and opened an office in Santa Clara, Calif.

FORBES: De Beers Opens Venture Capital Shop in Silicon Valley

The De Beers Group has been very busy lately.

FORBES: De Beers Seeks A Return to the U.S., Moves Diamond Operations To Botswana

De Beers Group reports that high prices and strong demand in India, China, the Middle East and, surprisingly, the U.S. has resulted in a record for rough diamond sales.

FORBES: De Beers Diamond Sales Up 33%

The yellow-brown diamond in a fire rose cushion cut was purchased from De Beers by a group led by Henry Ho of Thailand and given to Thai King Bhumibol Adulyadej in honor of his 50th coronation anniversary.

FORBES: The World's Largest Diamond And Other Record-Breaking Jewelry Moments