Giovanni Costanzi (1674–1754) was an Italian

gem engraver An engraved gem, frequently referred to as an intaglio, is a small and usually semi-precious gemstone that has been carved, in the Western tradition normally with images or inscriptions only on one face. The engraving of gemstones was a major lux ...

of the late-

Baroque The Baroque (, ; ) is a style of architecture, music, dance, painting, sculpture, poetry, and other arts that flourished in Europe from the early 17th century until the 1750s. In the territories of the Spanish and Portuguese empires including t ...

period. He was the head of a family of gem-makers and artists in

Naples Naples (; it, Napoli ; nap, Napule ), from grc, Νεάπολις, Neápolis, lit=new city. is the regional capital of Campania and the third-largest city of Italy, after Rome and Milan, with a population of 909,048 within the city's adminis ...

. His sons Carlo and

Tommaso Tommaso is an Italian given name. It has also been used as a surname. Notable people with the name include: Given name A * Tommaso Acquaviva d'Aragona (1600–1672), Roman Catholic prelate * Tommaso Aldrovandini (1653–1736), Italian painter of ...

were also a gem engravers, while his other son Placido became a painter. Giovanni later moved and worked the rest of his life in

Rome , established_title = Founded , established_date = 753 BC , founder = King Romulus (legendary) , image_map = Map of comune of Rome (metropolitan city of Capital Rome, region Lazio, Italy).svg , map_caption ...

. One of his commissions was for

Frederick the Great Frederick II (german: Friedrich II.; 24 January 171217 August 1786) was King in Prussia from 1740 until 1772, and King of Prussia from 1772 until his death in 1786. His most significant accomplishments include his military successes in the Sil ...

References

1674 births 1754 deaths Artists from Naples 18th-century Italian artists Engraved gem artists {{Italy-artist-stub