NO RESERVE - AN ANTIQUE ART NOUVEAU DIAMOND AND OPAL BAR BROOCH in 15ct yellow gold, set with an old

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.

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

Antique Two gold and diamond brooches Comprising a fox hunting brooch with diamond eyes; and a bar brooch set with old European-cut diamonds and circular-cut sapphires Yellow gold Fox brooch 2. x 0.75

AN ANTIQUE DIAMOND BAR BROOCH in yellow gold and silver, set with a cluster of old cut diamonds on a tapering bar set with further old cut diamonds, the diamonds all totalling 0.4-0.5 carats, no assay

ANTIQUE PEARL AND DIAMOND BROOCH in 15ct yellow gold, set with seed pearls and an old cut diamond in scrolling and foliate motif, stamped 15CT, 4.3cm, 3.7g.

AN ANTIQUE DIAMOND AND PEAR CRESCENT MOON BAR BROOCH in yellow gold, the crescent moon set with old cut diamonds all totalling 1.4-1.6 carats, the bar terminated with a pearl of 5.6mm, no assay marks,

AN ANTIQUE RUBY AND DIAMOND BAR BROOCH in yellow gold, set with a cushion cut ruby within a border of old cut diamonds, between half-crescent moon shaped motifs set with alternating rubies and diamond

AN ANTIQUE PEARL AND DIAMOND BAR BROOCH in 18ct yellow and white gold, set with seed pearls and old cut diamonds forming the date 1895 interspersed by a horseshoe motif, stamped 18C, 4.5cm, 4.1g.&nbsp

Antique Art Nouveau Diamond Ruby Flower Brooch Pin 18K Yellow Gold, 38.16 Gr This is a beautiful one-of-a-kind brooch. Circa: 1895 - 1910; Art Nouveau Diamonds: 103 old rose cuts 1.03 ct, G, SI1 Gemst

NO RESERVE - AN ANTIQUE PEARL AND DIAMOND FLOWER BROOCH in yellow gold, designed as a flower, set with an old cut diamond accented by pearls, no assay marks, 2.7cm, 2.4g.

AN ANTIQUE EDWARDIAN PERIDOT, DIAMOND AND PEARL BAR BROOCH in yellow gold, set with a cushion cut peridot of 4.47 carats, accented by four old cut diamonds, the bar terminated at each end with a pearl

AN ANTIQUE DIAMOND HAND AND HEART BROOCH in 15ct yellow gold, designed as a hand holding heart set with an old cut diamond, full British hallmarks for Chester 1902, 3.5cm, 3.5g. 

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 TURQUOISE AND DIAMOND BAR BROOCH in silver and yellow gold, set with a row of alternating round cabochon turquoise and old European brilliant cut diamonds, accented by rose cut diamonds, th

AN ART NOUVEAU RUBY AND DIAMOND BROOCH in 18ct yellow gold, in foliate design set with a row of alternating round and oval faceted rubies and old cut diamonds, later full British hallmarks, 3.6cm, 6.5

In a platinum and yellow gold arrow-shaped frame set with fifty-five old European and rose cut diamonds, 2.43 cts total, with a pear shaped cultured pearl drop, 9.10 gr.Centre old European cut diamond

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 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

A PEARL AND DIAMOND BROOCH in 18ct yellow and white gold, the Art Nouveau design set with old cut and rose cut diamonds, suspending a drop set with a pearl of 12.6mm, French assay marks, 4.0cm, 8.4g.

c. 1900, 14K yellow gold ribbon brooch featuring an oval amethyst bezel set in center with six old European cut diamonds weighing approx. 0.60 ctw, 1.5 in. W, 10.7 grams

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

Circa 1890's Art Nouveau antique Tiffany and Co platinum brooch having 4ctw old mine cut diamonds(Clarity:VS-SI/Color:E-H) with an onyx inlay and 18K yellow gold clasp/pin. Stamped 18K on clasp, engra

ANTIQUE DIAMOND AND SAPPHIRE HORSESHOE BROOCH in yellow gold, of bar design, set with a horseshoe motif set with alternating old cut diamonds and cushion cut sapphires, unmarked, 3.3cm, 2.2g.

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