Lucara Diamonds have sold two exceptional large rough diamonds at the $32.5 million tender.
The tender included a 327 carat rough diamond that sold for over $10 million USD.
Lucara said the 10 stones ranging from 40.4 carats to a 472.37 carat rough stone a combined 1,453.06 carats, sold for an average price of $22,356 per carat.
The top seller was the 327.48 carat white diamond, which earned $30,900 per carat total $10.1 million.
Another exceptional size 472.37 carat light brown stone also sold but the miner has not publish its price.