Portal logo
VIII.
THE SANCI.
T HE diamond which is known as "the Sanci," or, as it is sometimes written, " Sancy," has been not inaptly termed a Sphinx among stones. Until recently writers have been accustomed to begin the story of this diamond with Charles the Bold Duke of Burgundy and, with numerous variations of detail, to derive it from him.
Now Charles the Bold had three diamonds which were famous throughout Europe as well for their size as for the fact that they were cut by a European lapidary. Louis de Berquen, who nourished in the fifteenth century, discovĀ­ered by chance the true principle of diamond-cutting. He rubbed two diamonds together and found that one would bite upon the other, and 177