Ariadne, by Marchant

A multi-layered sardonyx cameo by Nathaniel Marchant RA (1739-1816)

mounted in gold as a ring

Probably Rome, circa 1780

Cameo's by Marchant are exceptionally rare - most of his work was in intaglio

Exhibited:
Multum in Parvo, a collection of engraved gems. Wartski, London 2019