AN ANTIQUE OPAL AND DIAMOND BROOCH / PENDANT in yellow gold and silver, set with an oval cabochon

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 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

NO RESERVE - AN ANTIQUE AMETHYST, PEARL AND DIAMOND BROOCH / PENDANT in yellow gold and silver, set with an oval cut amethyst in a wreath style border set with old cut diamonds, accented by pearls and

NO RESERVE - AN ANTIQUE BLUE TIGER'S EYE, RUBY AND DIAMOND BEE BROOCH / PENDANT, Made in yellow gold and silver, designed as bee, detachable brooch fitting, pendant loops, Oval cabochon blue tiger's e

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

14 kt. Yellow Gold, Opal and Diamond Pendant/Brooch Necklace , central oval cabochon opal, wt. approx. 7.00 cts.; pierced filigree surround set with 38 round cut diamonds, total wt. approx. 2.00 cts.;

Large oval 14K yellow gold brooch with hidden bail on back to convert to a pendant, set with large white opal cabochon and the foliate frame set with brilliant cut white diamonds, height 2", width 1.7

AN ANTIQUE DIAMOND BROOCH / PENDANT in yellow gold and silver, the openwork body set throughout with old cut diamonds, the diamonds all totalling 4.2-4.6 carats, no assay marks, 4.4cm, 14.6g. 

AN ANTIQUE PEARL AND DIAMOND CLUSTER BROOCH/PENDANT in yellow gold and silver, set with a pearl of 7.9mm surrounded by three concentric rows of old cut diamonds, the bail set with three further old cu

AN ANTIQUE GARNET AND DIAMOND BROOCH in yellow gold and silver, set with a cabochon garnet in an openwork border set with rose cut diamonds, no assay marks, 2.6cm, 5.8g.

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.

AN ANTIQUE EMERALD AND DIAMOND PENDANT in yellow gold and silver, set with a round cabochon emerald accented by old cut diamonds, no assay marks, 1.6cm, 3.1g.

AN ANTIQUE OPAL AND DIAMOND BAR BROOCH in 18ct gold, set with a central oval cabochon opal between two old cut diamonds, with further rose cut diamonds to the bar, French import marks for 18ct gold, 3

AN OPAL AND DIAMOND CLUSTER DRESS RING in yellow gold and silver, set with an oval cabochon opal within a border of old cut diamonds, no assay marks, size N / 6.5, 4.6g.

AN ANTIQUE OPAL AND DIAMOND RING in 18ct yellow gold, set with three graduated oval opal cabochons, punctuated by pairs of old mine cut diamonds, British hallmarks for Birmingham, 1890, size S / 9, 5.

AN ANTIQUE DIAMOND FLOWER PENDANT / BROOCH, 19TH CENTURY in yellow gold and silver, set throughout with old cut diamonds, the diamonds all totalling 4.8-5.2 carats, with detachable brooch fitting and

AN ANTIQUE BLUE ZIRCON AND DIAMOND BROOCH in yellow gold and silver, set with a cushion and oval cut blue zircons in a border of old and rose cut diamonds, no assay marks, 2.9cm, 3.4g.

A FINE ANTIQUE DIAMOND STAR BROOCH / PENDANT in yellow gold and silver, designed as a seven rayed star, set with a central cluster of old cut diamonds, the central diamond weighing 1.89 carats, accent

AN OPAL AND DIAMOND DRESS RING in high carat yellow gold and silver, set with an oval cabochon opal within a border of rose cut diamonds, with stylised decoration to the band, unmarked, size N / 7, 3.

AN ANTIQUE VIRGIN MARY CHALCEDONY AND DIAMOND CAMEO BROOCH in yellow gold and silver, set with an oval white chalcedony cameo carved depicting the Virgin Mary, within a cluster of rose cut diamonds, n

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 OPAL, AMETHYST AND DIAMOND SPIDER BROOCH in yellow gold and silver, the body set with a round cabochon opal and a round cut amethysts accented by rose cut diamonds in the legs, unmarked, 3.7cm, 8.9

AN ANTIQUE OPAL AND DIAMOND DRESS RING in 18ct yellow gold, set with a trio of graduated oval cabochon opals, accented by pairs of old European brilliant cut diamonds, full British hallmarks (partly o

AN ANTIQUE GARNET AND DIAMOND BROOCH, 19TH CENTURY in yellow gold, the body set with an elongated oval cabochon garnet accented by eight rose cut diamonds, no assay marks, 8.3cm, 7.2g.