1960s rhodium plated prong set marquise faux-onyx with round clear accents and stem leaf with faceted faux-onyx beads with round clear rhinestones at the tips brooch with security clasp. Unmarked. Verified Delizza & Elster. Measures: 3 1/8 inches long by 2 1/4 inches. Condition: Very good; one stone looks like it was scratched, but it mostly hidden by the beads (see the last picture).