A small group of diamond and gem stickpins

A small group of diamond and gem stickpins
Comprising: a horseshoe with single-cut diamond and square and triangular-cut sapphire accents; a circular panel with rose-cut diamond detail; a cultured pearl and single-cut diamond cluster with pear-shaped sapphire single stone shoulders; an old-cut diamond double loop; and a foiled oval cabochon single stone garnet