White Diamond Fetches Record $30.6 Mn at Hong Kong Auction

At a Hong Kong auction, a 118.28-carat white diamond broke a world record when it fetched more than $30 million.

The sparkling translucent stone was sold to a phone bidder at the Sotheby's auction for HK$238.68 million ($30.6 million) following bidding that lasted for more than six minutes.

Internally Flawless $60-mn Pink Diamond for Auction in Geneva
Sotheby's showed off a 59.6-carat pink diamond that will be auctioned in the Swiss city of Geneva at a record asking price of $60 million (49 million euros) in November.

The egg-shaped stone has been described as the finest of its kind ever to appear at auction. Earlier estimates valued it at $28-$35 million.

The stone, dubbed the "Magnificent Oval Diamond", was discovered in a deep mine in an undisclosed southern African country in 2011.

As a rough stone before being cut, it weighed 299 carats.

Nanodiamonds can Boost Effectiveness of a Common Leukemia Drug
A joint study has found that the delivery of a common leukemia drug to leukemic cells can be boosted by binding multiple molecules of the drug with nanodiamonds.

The stone, described by Sotheby's as "the largest D colour flawless diamond", has been given the highest quality rating awarded by the Gemological Institute of America.

"D colour" diamonds are rare and colourless and fetch premium prices.

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Giant White Diamond In Hong Kong Could Fetch $35mn
Auction house Sotheby's said that a 118.28-carat white diamond, set to break records, is to go under the hammer in Hong Kong in October.

The sale beat the record set at a diamond auction last year, when a 101.73-carat diamond was sold for $26.7 million.

Hong Kong has become a centre for jewellery auctions thanks to growing wealth in China and other parts of the region.