AMETHYST AND DIAMOND NECKLACE AND BROOCH, Michele della Valle

The necklace composed of facetted amethyst beads, alternated by spheres of pierced design, centring on a band of brilliant-cut diamonds, mounted in 18 karat blackened gold, length approximately 470mm; and a brooch modelled as a large flower head, centring on a cushion-shaped amethyst of rich purple hue, encircled by facetted amethyst petals, interspersed by tapered lines of pavé-set brilliant-cut diamonds, mounted in 18 karat white gold; signed. (2)

Accompanied by two signed pouches and boxes.