SBS2y
How expensive are the most expensive diamonds in the world?
The most expensive diamond in the world costs US $250 million.
Wall Street Journal2y
World's Most Expensive Diamond Makes $57.5 Million
The Oppenheimer Blue sold on Wednesday for more than $57.5 million including fees at a Christie's auction in Geneva, making it the most expensive diamond ever sold.
NHK1y
Russia's invasion puts India's diamond industry on the rocks
About 90 percent of the world's diamonds are cut and polished in India. But the companies processing them rely on Russia for their raw gems, and the knock-on effect of the war in Ukraine is ...