

(Adds share movement, detail, background) March 17 (Reuters) - Miner Gem Diamonds Ltd said its underlying core earnings for the year rose 34.6 percent...


March 17 (Reuters) - Miner Gem Diamonds Ltd said its underlying core earnings for the year rose 34.6 percent as it sold more diamonds at higher prices...


** Petra Diamonds up as much as 4.7 pct after Bank of America Merrill Lynch upgrades to buy from hold ** "Given Petra's recent downgrade to pricing gu...