Pink diamond sells for nearly $58 million in Hong Kong

a rare pink diamond has sold in Hong Kong for nearly $58 million

a record price per carat paid at auction for any diamond

15-carat pink Williamson star fetched $57.

second-highest price paid at auction for a piece of jewelry,

The winning bid by an undisclosed buyer from Boca Raton

, Florida, was more than double the $21 million estimate (378 million Rupiah).

The stone was the second largest pink diamond sold at auction.