Discovery of Largest Uncut Emerald in Zambia Sets New Guinness World Record

Previously, two other huge emeralds, named 'Insofu' and 'Inkalamu', were also discovered at the same site, in 2010 and 2018 respectively. While the second largest emerald stone, 'Insofu' weighed 6,225 carats (1.245 kg), Inkalamu comes in third in the Guinness World Records at 5,655 carats (1.131 kg).