Nearly two years after unearthing a tennis ball-sized 1 109 ct rough diamond, Lucara Diamond Corp is considering forming a partnership to sell the stone if it still does not have a deal in the next six to eight weeks. Lucara, which failed to sell the world’s largest uncut stone at Sotheby’s auction house in June 2016, continues to receive offers, CE William Lamb said on a conference call with analysts on Friday.
