Southstone Minerals produced 235.84 carats of diamonds between 1 March and 30 May 2021 at its alluvial Oena diamond mine in South Africa.
It said the diamonds achieved an average price of $2,207 per carat.
Of the 115 diamonds recovered, the largest was a 25.28 carat stone, which was sold for $40,701 or $1,610 per carat.
However, a 22.02 carat stone was sold for $170, 000 or $7,720, making it the most valuable diamond recovered during the quarter.
The company also sold a 10.93 carat stone for $23,215 or $2,124 per carat and a 10.20 carats for $51,908 or $5,091 per carat.
Southstone currently has one mining contractor on-site using four pan plants to process run-of-mine material and one Bourevestnik unit used for diamond recovery.
Mathew Nyaungwa, Editor in Chief of the African Bureau, Rough&Polished
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