Gem Diamonds Limited (LON:GEMD) has sold a pink diamond from its Letšeng mine in Lesotho for US$8.75mln.
The per carat price of US$657,000 is a record for a Letšeng diamond.
The pink diamond was found last month and was sold in Antwerp, Belgium – the world’s largest diamond district.
Shares edged 0.3% higher to 89.6p on Thursday morning.