Oblong yellow gold (385) filigree ring, the oval white gold (375) plate centered with a pavement of old-cut diamonds, three of which are larger, the surround formed by a line of small eight-eighths diamonds in a pearl-grain setting, flanked by two stylized palmettes motifs. Circa 1915-20. Gross weight: 7.2 g - Finger size: 55. Scratches.