Art Deco Diamond Sapphire Necklace c. 1920 depicting a highly-stylized geometric butterfly. The wings are comprised of radiant and French-cut diamonds accented with square sapphires. The head centers a European-cut diamond framed in calibre sapphires, and the abdomen reverses to a center row of calibre sapphires framed by diamonds. An old-mine pear-shape diamond hangs below.