one designed as a fourteen karat gold signet stamped "K" accented by a round brilliant-cut diamond; one centering a cluster of round brilliant-cut diamonds in textured fourteen karat gold mounting; one wide fourteen karat gold filigree band centering a lapis lazuli tablet, bezel-set with a round brilliant-cut diamond; one centering an old European-cut diamond flanked by circular-cut green sapphires in fourteen karat gold mount; and one centering a circular-cut ruby and round brilliant-cut diamond cluster, mounted in ten karat gold.