SAPPHIRE AND DIAMOND RING, OSCAR HEYMAN & BROTHERS. Claw-set with a cushion-shaped sapphire weighing 17.84 carats, within a line of pear-shaped diamonds, further decorated with brilliant-cut stones, mounted in yellow gold and platinum
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.