GEM SET AND DIAMOND PENDANT, MICHELE DELLA VALLE

Set with a fancy-cut blue topaz, within a frame of brilliant-cut diamonds, embellished with sapphire, ruby and emerald beads inset with similarly-cut diamonds, supporting a sapphire bead tassel, capped with brilliant-cut diamonds, on a double chain highlighted with spectacle-set diamonds, length approximately 460mm, length adjustable, signed Michele della Valle, numbered, maker's mark, pouch stamped Michele della Valle.