Attributed to Pierre CONROUX (1923-2003) A gouache drawing on tracing paper depicting a large white gold or platinum necklace formed of an openwork ribbon of baguette-cut and brilliant-cut diamonds, centered on a large element formed of a knot of lines of baguette-cut and brilliant-cut diamonds, openwork geometric motifs entirely adorned with baguette-cut and brilliant-cut diamonds. Circa 1950-60. Size: 25 x 16.2 cm. Bends, stains.