20-Carat ‘Okavango Blue’ Diamond Goes on Display
The public can now feast their eyes on a big blue diamond thanks to New York’s American Museum of Natural History. The museum opened an exhibition Tuesday showcasing the “Okavango Blue,” a 20.46-carat oval-cut fancy deep blue diamond on loan from Okavango Diamond Company, which is wholly owned by the government of Botswana. It has been given a … Read more