Diamond giant De Beers faces spin-off amid wider restructuring as Anglo American takeover pressure mounts CNBCAnglo To Exit Diamonds and Platinum in Bid To Fend Off BHP BloombergAnglo American rejects BHP’s revised $42.7 billion buyout proposal ReutersSouth Africa Minister Warms to Anglo Plan After Opposing BHP Bid Yahoo! VoicesBHP cannot pay enough to force Anglo to do the heavy lifting Financial Times