Pair of Vintage Byzantine-Style Gem-Set Clip-On Earrings

This is a pair of vintage clip-on earrings featuring a bold, three-dimensional geometric design reminiscent of Byzantine or Etruscan Revival styles. The earrings are constructed from a cast yellow metal, potentially gold-plated or high-quality gilt brass, with a distinct matte, brushed, or 'satin' finish that gives the metal a soft, warm glow. Each earring is shaped into a truncated pyramid or rounded triangular form, measuring approximately 1 inch in diameter. They are accented with multiple small cabochon and round-cut faux or semi-precious gemstones in a variety of colors including deep ruby red, emerald green, sapphire blue, and clear crystals. The stones are set in raised bezels scattered across the faces and corners of the metal structure, creating a textured, 'studded' appearance. The craftsmanship suggests mid-to-late 20th-century costume jewelry, possibly from a high-end designer like Kenneth Jay Lane or Trifari, known for such ornate revivalist pieces. Condition appears fair to good; there is visible surface wear to the gold plating and some accumulation of dust or verdigris in the crevices between the stones and the metal. The mechanical clip-on backs appear intact, though minor tension adjustment may be needed due to age. No hallmarks are immediately visible in the provided image.