Pursuits

Pink Diamond’s $45.6 Million Tops Prices Before Sotheby’s Sale

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A 118.28-carat white diamond is estimated to sell for more than $28 million at auction in Hong Kong next month. The price, if achieved, would be a record for any colorless gem at a public sale.

The oval D-color Flawless Type IIa stone, the largest of its type to appear at auction, will be sold by Sotheby’s on Oct. 7 as part of its 40th-anniversary events in Asia. Only four other white diamonds of this quality weighing more than 100 carats have appeared at public sales, the New York-based company said.