A Diamond Giant Plays Up Its Russian Ties to Appeal to Americans
De Beers and Petra diamond sales increase, could benefit further
Alrosa Unearths a Colorful Surprise at Its New Diamond Mine in
Diamond named after indigenous Russian heroine - Jeweller Magazine
Rare purple-pink diamond could fetch up to $38M at auction
GIA Education - Seen here is a stunning 1.89 carat diamond crystal
Christie's to Offer 101ct. 'Spectacle' Diamond
Yellow Diamonds: The most valuable and beautiful yellow gems
Record pink rough diamond found by Alrosa subsidiary in Siberia