Attributed to Pierre CONROUX (1923-2003) A gouache drawing on tracing paper depicting a white gold or platinum collar necklace, formed of an alternating line of baguette and brilliant-cut diamonds, centered on a frieze of geometrical motifs formed of baguette and brilliant-cut diamonds and holding larger diamonds as pendants. Circa 1950-60. Size: 24.8 x 16.2 cm. Stains.