When shopping for a diamond, whether for an engagement ring or a piece of fine jewelry, you’ll quickly encounter the term Four Cs—Cut, Color, Clarity, and Carat Weight. These four characteristics ...
The Farnese Blue Diamond had by far the best story of Sotheby’s Geneva Magnificent Jewels and Noble Jewels sale. The 6.16-carat pear-shaped blue diamond was given to Elisabeth Farnese, Queen of Spain, ...