An opal and diamond brooch. The brooch set with three cabochon opals, each within a single-cut diamond surround.
A gorgeous, thick cabochon black opal displaying a palette of blues and greens with flashes of orange is encircled by a strand of tiny freshwater seed pearls and accented with striking green and black enamel. A dramatic and wonderful example of American Art Nouveau circa 1900.
A black opal and diamond brooch, circa 1905 Spindle-shaped, claw-set to the centre with an oval cabochon black opal, within an openwork surround, millegrain-set with old brilliant, single and rose-cut diamonds, later pin fitting, length 4.8cm.
Citrine 'Egyptian Queen' cameo brooch, Italian, 1860s. Citrine, old European- and rose-cut diamonds, guilloché enamel and 18K gold.
Brooch of pierced scrolling design, alternately set with circular cabochon opals and channels of graduated old-cut diamond. Victorian or Victorian style.
Gold, silver, and diamond brooch, set with an octagonal sapphire engraved with the arms of Johann Hugo von Orsbeck (1634-1711), appointed Archbishop Prince Elector of Trier, 13 July, and Bishop of Speyer, 16 July 1676, Abbot of Prum and Provost of Weissenburg. Now framed within a foliate border. German. Sapphire intaglio: 17th century. Setting: 19th century. Click for source and additional commentary by Diana Scarisbrick
René Lalique Diamond ring. The large diamond is set vertically along the bezel, framed within a border of green leaves on black stalks, with the shoulders also enamelled dark green. By René Lalique c.1902-4.
A FINE BLACK OPAL AND DIAMOND BROOCH The oval-shaped black opal plaque, within a pierced single and old European-cut diamond surround, enhanced by square-cut diamond accents, suspending a drop-shaped black opal pendant, mounted in platinum and 18k gold.