A Belle Epoque sapphire diamond brooch The kite-shaped openwork panel set with brilliant-cut diamond scrolls millegrain-set sapphire accents central motif suspending pear-shaped sapphire triple drops ca 1905 detachable brooch fitting.
An antique ruby, diamond & silver topped gold brooch, circa 1880 centering a bezel-set cushion-shaped ruby within an openwork shield-shaped panel of old European & single-cut diamonds; ruby weighing an estimated: carats
Art Nouveau Plique-a-Jour Enamel, Peridot, and Diamond Brooch - Marcus & Co. Centering a circular-cut peridot within a shaped plique-a-jour enamel frame with old European-cut diamonds and suspending a drop - lg.
1850 garnet and diamond brooch. The oval cabochon garnet berries in closed-back settings, the leaves and stems set with rose, old brilliant and cushion-shaped diamonds, mounted in silver and gold / Bonhams
A Belle Epoque diamond brooch/pendant, circa The articulated triangular openwork plaque, centrally-set with a collet-set old brilliant-cut diamond, within star-shaped latticework accented by single-cut diamonds, to a scrolled border millegrain-set t
AN ART NOUVEAU DIAMOND, ENAMEL & PEARL BROOCH. The central translucent enamel stylised lotus leaf with applied old brilliant & rose-cut diamond spray and rose-cut diamond edging, supported by twin rose-cut diamond scrolls, suspending a single pearl, circa