De Beers Blue Diamond Fails to Sell at Sotheby’s
A blue diamond weighing 5.53 carats failed to find a buyer at Sotheby’s Geneva on Wednesday despite[…]
Collection of Blue Diamonds to Fetch Over $70M
Sotheby’s will sell a group of eight fancy-blue diamonds from De Beers across its global Magnificent Jewels[…]
Sotheby’s Rakes In $57.5M for De Beers Blue
A record blue diamond co-owned by De Beers far outstripped its presale estimate in a stand-alone sale[…]
Colored Diamonds Set to Sparkle at Sotheby’s
A blue diamond ring is among the top lots at the Sotheby’s Magnificent Jewels sale in New[…]
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[…]
Blue rough diamond fetches $40 million
Petra Diamonds Ltd. sold a 39.3-carat blue gem for more than $40 million, making it one of[…]
Petra puts “exceptional” 39-carat blue diamond up for sale
South Africa’s Petra Diamonds has put a 39.34 carat Type IIb gem recovered at its iconic Cullinan[…]
Fancy Colour Diamond Trio Fetches $8M at Christie’s
Three rings featuring diamonds with fancy-vivid color stole the show at the Christie’s Magnificent Jewels auction, selling[…]
De Beers Buys Petra Blue Diamonds for $40M
De Beers has purchased five rough blue diamonds from Petra Diamonds for more than $40 million in[…]