Lucapa Diamond Company, which operates the Lulo alluvial diamond project in Angola, recovered 28 specials – diamonds weighing more than 10.8 carats – during the final quarter of last year, the firm said in an update.
The two largest diamonds weighed 74.5 carats and 66.3 carats.
In addition, three diamond sales were completed during the fourth quarter with gross revenues of $5.6 million, which is the highest quarterly sales figure the miner has recorded.
The average price of $1,478 per carat achieved in the quarter was also the highest quarterly average achieved since mining started exactly a year ago.
The company added that the average stone size recovered rose to 1.35 carats in the final quarter of 2015 from 1.20 carats in the previous quarter.
Source: The Diamond Loupe