“Beauty and perfection drive both our Argyle Pink Diamonds business and West Australian Ballet,” Kaufman said. “Rare pink diamonds, forged under extreme conditions from the depths of the earth, mirror ...

A rare pink diamond has sold for HK$453.2 million (US$57.7 million) in Hong Kong, setting a record for price per carat paid at auction for any diamond or gemstone, according to Sotheby’s auction ...