Antique Porcelain Enamel "Frederick The Great" Heart Pendant 18ct gold 5ct transitional cut diamond (G-VS2)

5ct transitional cut diamond (G-VS2) - both certified

with French marks to the outer band

Internal circumference: 7

The main stones

Each one is set with a flat cut

Antique Porcelain Enamel "Frederick The Great" Heart Pendant 18ct gold 5ct transitional cut diamond (G-VS2)DATE: Antique, c. 1770 Frederick the Great led Prussia through the Seven Years' War (17561763), the last major conflict before the French revolution to involve all the great powers in Europe. France, Russia and Austria etc were aligned against Prussia, Hanover and Great Britain and the war arose from the attempt of the Austrian Habsburgs (one of Europe's most influential ruling dynasties) to win back the rich province of Silesia. This had been taken