Program aims to educate young consumers about mined stones’ positive qualities.
Chief financial officer and vice president of technical services both resign.
Miner cites “material breach of financial commitments” by Belgian manufacturer.
Parties have been unable to agree on wage rise after four months of negotiations.
Discovery follows that of 1,080ct. diamond earlier this month.
Miner allowing sightholders to defer certain rough purchases to early 2024.
Departing chief is one of miner's original founders.
Revenue down 39% year on year in second quarter.
Stone is Lucara’s fourth over 1,000 carats from Botswana site.
Construction of South Africa project is 70% complete.
Miner held one tender fewer than usual during the period.