An antique pendant of prestigious provenance, manufactured in the first half of the 19th century, presenting a Colombian emerald weighing 87.50 cts, sided by an old mine cut diamonds setting, and by a matching old mine cut diamond riviere. The item was acquired by Nikolaus Esterhazy around 1850 in Rome. For generations the pendant was worn to important events. The last time by Marie-Henriette, nèe Ziehy, who wore it in 1916 to the coronation of Karl I, Emperor of Austria, King of Hungary.