ENAMEL, OPAL AND DIAMOND PENDANT, GUILLEMIN FRÈRES, CIRCA 1900. Designed as a cluster of stylised flowers, set with polished opals, circular-cut and rose diamonds, highlighted with translucent matt enamel, detachable pendant fitting, French assay and maker's marks.
An art nouveau amethyst, enamel and pearl pendant, Marcus & Co., circa 1910 suspending a scrolling pendant with fringe, centering an oval-cut amethyst surrounded by plique-a-jour enamel, accentuated by circular and oval-cut amethysts and white button pearls, within a chased and engraved mount highlighted throughout by scroll and bead motifs; suspended from an associated chain of double cabochon amethyst and scrolling links, pendant signed Marcus & Co.; mounted in eighteen karat gold
Antique Pink Tourmaline and Diamond Clover Brooch, France, set with circular-cut pink tourmalines and rose-cut diamonds, seed pearl accent, silver-topped 18kt gold mount, lg. 1 in., partial maker's mark and guarantee stamps.