9CT Yellow Gold Antique Australian Opal Brooch

14 K yellow gold and Australian opal spider web style brooch pin. Finished on the back with simple safety pin clasp closure. Unmarked but tested positive for 14K gold. Total weight 6.1 grams. Dimensio

Antique Early 20th Century Yellow & White Gold, Diamond, & Opal Cameo Brooch. Circa 1900. A rare large hand carved opal cameo of Floral in a border of old mine cut diamonds. Approximately 1.65 carats.

This is an antique 14K gold grape bunch motif brooch pin feature 15 Australian opals with excellent red, blue, and green fire. 1 7/8 x 1 3/8". It weighs 8g. The opals range from 5.2 x 4.3mm to 7.6 x 4

AN ANTIQUE OPAL, RUBY AND PEARL PENDANT in 9ct yellow gold, in floral design, set with a round cut ruby in a cluster of lozenge shaped cabochon opals, within a border of alternating pearls and round c

and Pearl Brooch or Pendant. Antique signed English 9ct yellow gold brooch or pendant with enamel decoration of green and white with gold stars, (4) pearl accents, and a central oval cut colored gem c

AN ANTIQUE OPAL AND DIAMOND BROOCH in yellow gold and silver, set with a central cabochon opal within a scrolling openwork mount set with old cut diamonds, the diamonds all totalling 5.3-5.5 carats, n

AN ANTIQUE OPAL CRESCENT MOON BROOCH in yellow gold, designed as a crescent moon set with a row of graduated cabochon opals, no assay marks, 2.7cm, 3.1g. 

AN ANTIQUE OPAL AND DIAMOND BROOCH, 19TH CENTURY in high carat yellow gold, designed as a crescent moon jewelled with graduated cabochon opals accented by old and rose cut diamonds, set to a plain bar

AN ANTIQUE OPAL AND DIAMOND BROOCH in yellow gold and silver, formed of a trio of flower motifs, each set at the centre with a round cabochon opal, accented in the petals by rose cut diamonds, unmarke

AN ANTIQUE OPAL AND DIAMOND BROOCH in yellow gold and silver, set with a trio of graduated oval cabochon opals, accented by rose cut diamonds, no assay marks, 3.5cm, 2.6g.

10k white and yellow gold pin brooch, set with a central round shaped cabochon opal, approximate total weight of opal 1.57ct, flanked by four old European cut diamonds, approximate total weight of dia

NO RESERVE - AN ANTIQUE CITRINE FOB BROOCH in 9ct yellow gold, comprising a bar brooch suspending a rotating citrine fob, stamped 9ct, 4.9cm, 18.7g.

ANTIQUE OPAL, DIAMOND AND ENAMEL BROOCH, 19TH CENTURY in high carat yellow gold, in open heart design set with a moon cabochon opal, old and rose cut diamonds totalling approximately 10.00 carats and

Antique Victorian Opal, diamond, enamel, and gold brooch Set with cabochon opals and rose-cut diamonds, in a swirling surround of black enamel; 1880s Yellow gold 2.75 x 1.25 in; Gross weight 12.0 dwts

AN ANTIQUE OPAL AND PEARL ARROW BROOCH in yellow gold, set with an oval cabochon opal accented by seed pearls, unmarked, 6.2cm, 9.7g.

Large Antique 9ct Yellow Gold Mounted Superbly Carved Cameo Brooch with Safety Chain. Marked 9ct. 2 1/4 x 1 3/4 inches.

AN ANTIQUE EDWARDIAN PERIDOT AND PEARL BROOCH / PENDANT in 9ct yellow gold, the scrolling openwork body set with a round cut peridot accented by pearls, suspending a pear cut peridot drop, stamped 9ct

AN ANTIQUE EDWARDIAN PERIDOT AND PEARL BROOCH / PENDANT in 9ct yellow gold, the scrolling body set throughout with round cut peridots and pearls, suspending an oval cut peridot drop, further pearls se

AN ANTIQUE AMETHYST AND PEARL PENDANT / BROOCH in 9ct yellow gold, designed as a flower in openwork design, set with round cut amethysts and pearls, H&CB maker's mark, stamped 9ct, 4.0cm, 4.0g.

NO RESERVE - AN ANTIQUE BLACK OPAL AND DIAMOND BAR BROOCH, CIRCA 1910, Made in yellow gold and platinum, Oval cabochon black opal, weighing approximately 1.61 carats, Single cut and rose cut diamonds,

AN ANTIQUE EDWARDIAN PERIDOT AND SEED PEARL BROOCH / PENDANT NECKLACE in 9ct yellow gold, the scrolling pendant set with an oval cut peridot accented by seed pearls suspending a pear cut peridot drop,

NO RESERVE - AN ANTIQUE EDWARDIAN AMETHYST AND PEARL PENDANT / BROOCH in 9ct yellow gold, set with an oval cut amethyst in a border of pearls, within a wreath border of round cut amethysts and pearls,

AN ANTIQUE EDWARDIAN AMETHYST AND PEARL PENDANT / BROOCH in 9ct yellow gold, set with an oval cut amethyst in a border of pearls, within a wreath border of round cut amethysts and pearls, suspending a

NO RESERVE - AN ANTIQUE ART NOUVEAU DIAMOND AND OPAL BAR BROOCH in 15ct yellow gold, set with an old cut diamond and an opal cabochon within two scrolling bars, stamped 15, 4.0cm, 3.9g.