Petra Diamonds’ rough prices decreased at its latest tender, as smaller goods experienced seasonal weakness. The fifth trading session, which took place in April, brought in $49 million from the sale of 362,132 carats, while like-for-like prices slipped 1% versus February, the miner reported Tuesday. Of the total, $8.2 million came from the sale of a 14.76-carat, blue diamond from the Cullinan mine in South Africa. The sales value was up 3% from February’s $48 million and
![]()
