The original 3,106-carat Cullinan Diamond, which is still the largest ever discovered, was cut in Amsterdam and created an astonishing nine principal stones. The main one, Cullinan I, is still the ...

If you or your partner wants a round diamond engagement ring, understanding the importance of cut is key. As the classic campaign slogan goes, “A diamond is forever.” You’ll wear your ...

Next came the old European cut, producing a rounded stone with a large table (the flat surface on top of the diamond), which prevailed from the 1890s to 1930s. In the early 1900s, when machinery ...