This process involves treating a rough emerald with (hardener) resin before it is cut and polished ... But less than 1 per cent of Colombian emeralds are 'no oil', and other origins like Zambia ...

Emerald has issued an update on operations ... prospect which has the potential to add material reserves to our Colombian portfolio and a further development well on Vigia which we expect to ...

Gemfields has announced a new capsule collection, launched in collaboration with British watch and jewellery retailer, ...