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THE CATHERINE THE GREAT EMERALD BROOCH
Centering upon a hexagonal-cut emerald, within an openwork two-tiered rose-cut diamond surround, bordered by old mine-cut diamonds, mounted in silver-topped gold, mid 18th century, (brooch stem may be detached and brooch may be worn as a pendant with additional pendant hoop)
With report CS 41684 dated 28 January 2010 from the American Gemological Laboratories stating that based on available gemological information, it is the opinion of the Laboratory that the origin of this emerald would be classified as Classic Colombia. Clarity enhancement: Insignificant

Accompanied by a supplemental letter dated 28 January 2010 from the American Gemological Laboratories, attesting to the rarity and importance of this historical emerald

Accompanied by a letter written by Baron Fritz Cerrini, verifying the provenance of the brooch

More from Jewels: The New York Sale, with The Catherine the Great Emerald Brooch and The Emperor Maximilian Diamond

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