AN ANTIQUE OPAL BROOCH in yellow gold, comprising of

AN ANTIQUE CARNELIAN BROOCH in yellow gold, comprising a circular carved carnelian plaque inlaid with a glass covered locket containing a scrolling heart motif, suspending a carnelian heart set with a

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 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.

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.

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.

NO RESERVE - AN ANTIQUE DIAMOND BAR BROOCH in yellow and white gold, comprising a row of rose cut diamonds, no assay marks, 8.0cm, 9.1g.

AN ANTIQUE RUBY AND DIAMOND BROOCH in high carat yellow gold, comprising of two horseshoe motifs jewelled with alternating round cut rubies and diamonds, unmarked, 4.1cm, 6.9g.

AN ANTIQUE HAIRWORK MOURNING LOCKET BROOCH in high carat yellow gold, comprising of a central hairwork panel set with a gold heart, in a decorated filigree border, unmarked, 2.5cm, 4.8g.

AN ANTIQUE ONYX, PEARL AND ENAMEL LOCKET BROOCH / PENDANT in yellow gold, comprising an oval onyx tablet set with a pearl within a star setting, within a stylised border decorated with black and white

AN ANTIQUE GARNET, RUBY, DIAMOND AND PEARL HORSESHOE BROOCH in yellow gold, comprising a horseshoe motif set with cushion cut garnets, rubies and rose cut diamonds, the bar accented by two pearls, no

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.

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 DIAMOND BROOCH AND EARRINGS DEMI PARURE in yellow gold and silver, comprising a pair of earrings and a brooch in foliate design, the earrings set with rose cut diamonds, the brooch of simil

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

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 DIAMOND, RUBY AND ENAMEL NOVELTY CHICK BROOCH in yellow gold and silver, comprising two bars set with a chick jewelled with round cut diamonds and a ruby, between white enamel pieces of she

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.

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

18K YELLOW GOLD BROOCH OPAL, 2" x 2.25" WT 30.3 GRAMS in good condition

A stunning Victorian era diamond pin brooch set in 14k yellow gold comprising a swirling formation of antique old mine cut natural diamonds, 19 prong set (color: J-k, clarity: VS2, 2.0mm-3.3mm, 2.0ctw

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

14K Yellow Gold Diamond Opal Brooch Pendant. Size 2" weight 17.8 grams