Lucara Mines Historic 1,111-carat Diamond
Lucara CEO William Lamb credits recent plant modifications at its Karowe mine in Botswana for enabling recovery
Lucara Diamond Corp. reported in mid-
November the recovery of a 1,111-carat,
gem-quality diamond at its Karowe mine in
Botswana. The stone, which originated
from the south lobe of the Karowe mine, is
reportedly the world’s second-largest gemquality
diamond ever recovered and the
largest ever to be recovered through a modern
processing facility. It measures 65 mm
x 56 mm x 40 mm.
large, high value diamonds.
The largest diamond ever discovered
was the 3,106-carat Cullinan diamond,
found near Pretoria, South Africa, in 1905.
The Lucara stone was recovered by
one of the company’s newly installed, large
diamond recovery X-ray transmission (XRT)
Lucara President and CEO William
Lamb said, “This historic diamond recovery
puts Lucara and the Karowe mine
among a select number of truly exceptional
diamond producers. The significance of
the recovery of a gem quality stone larger
than 1,000 carats, the largest for more
than a century, and the continued recovery
of high-quality stones from the Karowe
south lobe, cannot be overstated. Our
focus on mining the south lobe, which is
delivering value beyond expectation, has
been perfectly timed with the commissioning
of our recent plant modifications,
enabling the recovery of these large, highquality
This 1,1111-carat stone is claimed to be the
Lucara followed up the announcement
of the 1,111-carat stone a day later with
an announcement that it had recovered
two more exceptional white stones through
the XRT recovery units, an 813-carat stone
and a 374-carat stone.
gem-grade diamond ever recovered.
It measures 65 x 56 x 40mm.
As featured in Womp 2015 Vol 12 - www.womp-int.com