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to the " Orloff," " Moon of Mountains," and " Shah," the largest and
finest diamond belonging to the Russian Crown, is the " Polar Star." It
was purchased in England for the Imperial Regalia, and is remarkable
for its rare purity and lustre. It is brilliant cut, and weighs 40
carats. Dieulafait makes the curious statement that "it belongs to the
Princess Yussupoff."*
At one time it seems to have been in the possession of Joseph Buonaparte, who bought it of Morton for 52,500 francs.