Russia unearths its largest ever colour 236-carat rough diamond
Graff Acquires World's Largest Rough Diamond For $53 Million
Chicago Gem and Jewelry Evaluation Services
World's most expensive rough diamond sells for $63 million
Yakutia 236-carat colour diamond – EUROPE DIPLOMATIC
General - N. Fox Jewelers
General - N. Fox Jewelers
Russia's diamond giant Alrosa unearths 158.2 carat stone in Yakutia
Dubai to witness auction of rare 242-carat rough diamond by Russia's Alrosa
How did they cut the 1,109-carat, US$53 million rough diamond – and where did the pieces go?