Polycrates
2. An engraver of precious stones, known by an inscription on a gem representing Eros and Psyche. (Mariette, Traité, &c. vol. i. p. 421; R. Rochette, Lettre à M. Schorn, p. 149.)
From William Smith (ed.), Dictionary of Greek and Roman Biography and Mythology. Text provided under a CC BY-SA license by Perseus Digital Library, http://www.perseus.tufts.edu, with funding from the National Endowment for the Humanities and Tufts University. Data accessed from https://github.com/PerseusDL/canonical-pdlrefwk/ on 17 October 2026.