GIA Botswana examined a rare 37.41carat pink-and-colourless bicolour rough diamond from the Karowe mine, famed for the 2,488-carat Motswedi, suggesting the gem’s two sections formed at different times
Plunging prices and oversupply have shaken the lab-grown diamond market, pushing consumers back towards natural stones. Industry leaders say this shift could redefine the diamond landscape.
