Kunzite, diamond and colored stone ring, Michele della Valle

The large faceted kunzite weighing approximately 33.35 carats, embellished with a coiling serpent set with small round diamonds, demantoid garnets and cabochon ruby eyes, the mounting with braided shank set completely with small round diamonds and rubies, mounted in 18 karat white gold, size 7½, maker's mark, numbered 10556.