Lucapa Diamond and its two project partners – Endiama, Angola’s national diamond company and Rosas & Petalas, have reported a record diamond production of 8.853 carats, at its Lulo alluvial diamond mining operations in the September quarter.
This diamond production is a 154% increase on the corresponding quarter in 2015.
The September quarter production included a record 137 specials (individual diamonds weighing more than 10.8 carats) weighing a total of 3.210 ct, underlining Lulo’s unique ability to regularly produce large premium-value diamonds.
The exceptional average size of the diamonds produced in the period under review of 1.9 carats was also a quarterly record, as was the average diamond grade of 13.7 carats per 100 m³.
These specials include Type IIa white D-colour gems weighing 173 ct and 104 ct and a 39 ct pink diamond.