Alrosa flags smaller-than-expected decline in annual diamond output
Alrosa is the world's largest producer of diamonds, accounting for around a third of global output.
'Perfect' diamond sells for $26.7m at auction
British auctioneer Christie's sold a "perfect" pear-shaped colourless diamond for $26.7 million at an auction in Geneva Wednesday, reports the Associated Press. The symmetrical flawless gem weighs 101.73 carats and is graded with the best colour, D, the best clarity,...
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