Earlier this month, Australia’s Lucapa Mining Company unearthered a spectacular 404.2 carat diamond in the southern African nation of Angola. Analyzed as a rare Type IIa diamond, this virtually flawless D-color stone measuring 2.75 inches in length, is the 27th largest diamond found in the world, a fraction of the world's largest 3100 carat "Cullinan Diamond discovered in South … [Read more...] about Unweaving Africa: Angola’s Diamonds