Coloured gemstones are selling better than diamonds, Edison Investment Research has found.
Zambia's decision to slap a 15% export charge on gemstone exports is hitting investment.
CEO and chairman roles split, with Michael Rosenberg taking on the latter role
Results from five bulk samples consistent with previous bulk samples
Shefa Yamim excited about zirconium/aluminium/titanium mix in gemstones
Nine different types of gemstones found in one bulk sample
Bulk sampling reaffirms "multi-commodity" potential
Dr Bernard Olivier and Cobus van Wyk appointed
A lack of product understanding puts ruby specialist on the back foot
Rupak Sen and Armando Diaz chosen to drive business
Gemfields didn't focus on Montepuez and Kagem mines enough, Frandsen says
Pallinghurst has taken over Gemfields with