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Introduction A story is told of a UB First-year Economics student who tried unsuccessfully to explain to his mother the course he was doing. Exasperated, one day he retorted: 'Ke dira course ya ga ...

The triangular-cut blue-green stone has a color so improbable that, as the Gemological Institute of America notes in its ...

The rare Ocean Dream diamond sold for more than R283 million at auction, while a valuable blue diamond from South Africa’s ...

Despite the setback, the Sotheby's sale totaled more than $30 million, with 93% of lots sold. It was the highest ...

A 5.5-carat triangular-cut diamond billed as the largest fancy vivid blue-green diamond known to exist sold for $17.3 million ...

Geneva: The ‘Ocean Dream,’ the largest blue-green diamond ever recorded, sold for $17.3 million at a Christie’s auction in ...

Dubbed the 'Ocean Dream', the diamond was discovered in its rough form in Central Africa in 2002.

The UFS incorporates construction progress, revisions to hydrogeological and geomechanical models, mine design, mining method and scheduling.

The United Kingdom’s queen consort wore her diamond serpent necklace, a piece that’s been part of Queen Camilla’s personal collection for several years but rarely makes the rounds for public events ...

A wave of admiration and celebration has continued to pour in from across the globe following Botswana's successful hosting of the Debswana World Athletics Relays Gaborone 26 held from May 2-3.