A DIAMOND CLIP BROOCH, BY MARC Designed as a series of pavé-set and baguette-cut diamond ribbons gathered by a circular-cut diamond cluster, circa 1955, with French assay marks Signed Marc, Paris, no. 299
AN EARLY 20TH CENTURY DIAMOND BROOCH. The openwork fan-like surmount with old-cut diamond collet highlights within a millegrain-set rose-cut diamond frame, suspending an articulated similarly-set trellis like panel with diamond single-stone drop terminations, circa 1915, 9.8cm long
René Lalique Diamond ring. The large diamond is set vertically along the bezel, framed within a border of green leaves on black stalks, with the shoulders also enamelled dark green. By René Lalique c.1902-4.
Sapphire and diamond "Convolvolo" brooch, Michele Della Valle. Designed as a flowering branch of convolvulus, set with circular-cut sapphires and brilliant-cut diamonds, mounted in white gold and titanium, signed Michele della Valle and numbered, Italian assay and maker's marks.
Simulated Emerald and Diamond Brooch Platinum,the stylized openwork scroll motif centering one pear-shaped simulated emerald, accented by 86 old European and single-cut and 42 baguette diamonds, approximately 10.75 cts., circa 1930