Lucapa Diamond (ASX: LOM) has announced a phased plan to restart production at the Merlin diamond mine in Australia’s Northern Territory, which has been on hold for years. The first phase, spanning 18 months, involves excavating and dredging five existing pits. This phase will require an investment of A$15 million (US$10 million) and is projected to recover approximately 67,000 carats, generating an estimated revenue of A$42 million (US$27 million). The second phase, lasting 27 months,