Dubai, United Arab Emirates NewsVoir Extremely rare pigeon-blood rough ruby of an unprecedented 101 carats mined by Fura Gems in Mozambique World unveiling held at DMCCs Dubai Diamond Exchange Fura Gems Inc., the leading coloured-gemstone mining company headquartered in Dubai, UAE, today announced its historic discovery of the worlds largest gem-quality ruby ever mined at an event hosted by DMCC, the flagship Free Zone and Government of Dubai Authority on commodities trade and enterprise, at their Dubai Diamond Exchange DDE.