Diamond hissing snake ring by Boucheron. Kaa the snake is in 18ct white gold, set with open jaws and looking fierce! He is wrapped around himself and is set with diamonds on his head totalling 0.25ct. Signed Boucheron, numbered, stamped with the Boucheron maker’s mark and the French state control mark for 18ct gold (Eagle). Finger size N1/2, 56 European, 7.5 US which we can re-size for you.