A MODERNIST GEMSET BROOCH in 18ct yellow gold, the rectangular openwork brooch set with cabochon moonstones, green tourmaline, amethyst, sapphire, star ruby and emerald, accented by a rectangular step cut green tourmaline, a rutilated quartz and roun

Estimate £1,000 - £1,500

AN ANTIQUE DIAMOND STAR BROOCH designed as a six rayed star, set throughout with old cut and rose cut diamonds, the diamonds all totalling 2.0-2.5 carats, no assay marks, 4.3cm, 11.6g. 

Estimate £1,000 - £1,500

AN ANTIQUE VICTORIAN EMERALD AND DIAMOND CLOVER BAR BROOCH in yellow gold, designed as a three leaf clover, set with cushion cut emeralds and accented by rose cut diamonds, no assay marks, 5.3cm, 4.4g. 

Estimate £150 - £250

AN ART DECO BLUE ZIRCON BAR BROOCH, EARLY 20TH CENTURY set with six round cut blue zircons, no assay marks, 4.5cm, 6.0g. 

Estimate £300 - £500

A YELLOW SAPPHIRE AND DIAMOND BROOCH in white gold, set with an oval cut yellow sapphire of approximately 6.89 carats, in a border of old European cut diamonds all totalling 2.0-2.3 carats, no assay marks, 2.6cm, 5.3g. 

Estimate £5,000 - £7,000

AN ANTIQUE GEORGIAN AMETHYST, SAPPHIRE AND TOPAZ BROOCH in yellow gold, set with a round cut amethyst in a border of oval cut sapphires, foiled orange topaz and amethysts, no assay marks, 3.6cm, 10.4g.

Estimate £2,000 - £3,000

A DIAMOND PLAQUE BROOCH, 1940S in platinum, the openwork geometric body set throughout with old European and old mine cut diamonds, the two principal diamonds each weighing approximately 1.00 carat, the diamonds all totalling 6.0-6.5 carats, no assay

Estimate £3,000 - £5,000

AN ANTIQUE PEARL CRESCENT MOON BROOCH in 9ct yellow gold, set with a row of graduating pearls, no assay marks, 3.1cm, 6.0g.

Estimate £200 - £300

AN ANTIQUE DIAMOND FLOWER BROOCH in yellow gold and silver, designed as a flower set throughout with old cut diamonds, the diamonds all totalling 1.4-1.6 carats, no assay marks, 2.8cm, 3.1g. 

Estimate £800 - £1,200

AN ANTIQUE VICTORIAN TURQUOISE AND GARNET SNAKE BROOCH in 15ct yellow gold, designed as a coiled snake, the head set with cabochon turquoise and round cabochon garnet eyes, no assay marks, 4.0cm, 6.7g.

Estimate £300 - £500

AN ANTIQUE CITRINE BROOCH in yellow gold, set with an oval cut citrine of approximately 32.05 carats in a floral border, no assay marks, 4.2cm, 15.1g.

Estimate £300 - £500

AN ANTIQUE KING HENRY VI FRENCH COIN BROOCH, 15TH CENTURY in yellow gold, mounted with a salut d'or coin of Henry VI (1421-1471), struck in Rouen, the mount accented by rose cut diamonds, continental assay marks, 2.7cm, 7.4g. 

Estimate £1,500 - £2,500

AN ANTIQUE DIAMOND, RUBY, AND ENAMEL CHICK BROOCH in yellow gold, designed as a chick hatching from an egg, the chick set with rose cut diamonds and a ruby eye, the egg shells relieved in white enamel, no assay marks, 4.7cm, 4.7g. 

Estimate £800 - £1,200

AN ANTIQUE SEED PEARL BROOCH designed as a leaf strung throughout with seed pearls, no assay marks, 4.0cm, 2.6g. 

Estimate £100 - £150

AN ANTIQUE DIAMOND, RUBY AND SAPPHIRE SPRAY BROOCH set with a round cut sapphire of approximately 0.89 carats, two round cut rubies and rose cut diamonds set throughout, later rhodium plated, no assay marks, 6.1cm, 8.0g.

Estimate £400 - £600

AN ANTIQUE CORAL CAMEO BROOCH in 9ct yellow gold, the coral cameo carved to depict the bust of a classical woman, within a twisted gold border, stamped 9ct, 4.7cm, 31.0g.

Estimate £800 - £1,200

A VINTAGE SCOTTIE DOG BROOCH in yellow gold, designed as a textured Scottie dog wearing a collar, no assay marks, 2.5cm, 7.9g.

Estimate £250 - £350

A LARGE ANTIQUE CAT'S EYE CHRYSOBERYL AND DIAMOND BROOCH in yellow gold, set with a large oval cabochon cat's eye chrysoberyl of approximately 85.0 carats, within a border of old cut diamonds, the diamonds all totalling 2.0-2.4 carats, no assay marks

Estimate £2,000 - £3,000

AN ANTIQUE PEARL AND DIAMOND HORSESHOE BROOCH in 15ct yellow gold, comprising a horseshoe motif set with old cut diamonds, accented by three pearls, stamped 15CT, 4.0cm, 3.1g. 

Estimate £200 - £300

AN ANTIQUE PERIDOT AND SEED PEARL BAR BROOCH in 9ct yellow gold, set with a round cut peridot, accented by seed pearls, stamped 9CT, 5.9cm, 2.3g.

Estimate £50 - £70

AN ANTIQUE SEED PEARL FLORAL SPRAY BROOCH in 15ct yellow gold, set throughout with seed pearls, stamped 15CT, 4.8cm, 5.5g.

Estimate £100 - £150

A VINTAGE DIAMOND LEAF BROOCH in 18ct yellow gold, designed as a stylised openwork leaf set with round brilliant cut diamonds, the diamonds all totalling 0.7-0.8 carats, stamped 750, 5.3cm, 11.1g. 

Estimate £400 - £600

AN AMETHYST, PEARL, DIAMOND AND ENAMEL GOLD SOVEREIGN COIN CLIP BROOCH in high carat yellow gold, set with a George V sovereign gold coin dated 1925 in a border of green enamel, within a further border of cabochon amethysts and pearls, accented by ro

Estimate £800 - £1,200

AN ONYX AND DIAMOND BROOCH in 18ct white gold, set with a polished onyx, accented by round brilliant cut diamonds, stamped 750, 4.6cm, 25.5g. 

Estimate £600 - £800

AN ANTIQUE VICTORIAN DIAMOND STAR BROOCH in yellow gold and silver, designed as a six rayed star set throughout with old cut diamonds, accented by further rays set with old cut diamonds, no assay marks, 3.0cm, 4.8g. 

Estimate £1,500 - £2,500

A VINTAGE EMERALD AND DIAMOND BOW BROOCH in 18ct white and yellow gold, designed as a ribbon tied into a bow, set with square step cut emeralds and round brilliant cut diamonds, indistinct British hallmarks, 4.3cm, 12.6g. 

Estimate £1,000 - £1,500

AN ANTIQUE EDWARDIAN SAPPHIRE AND DIAMOND PENDANT / BROOCH in platinum, set with a pear cut sapphire of 3.80 carats, in a stylised scrolled body suspending a double old cut diamond drop, the diamonds all totalling 1.2-1.4 carats, maker's mark MC, ser

Estimate £2,500 - £3,500

AN ANTIQUE PEARL AND DIAMOND BROOCH in yellow gold, the brooch set with old cut diamonds and terminating in two pearls of 9.4 and 9.6mm, the diamonds totalling 2.2-2.5 carats, no assay marks, 5.2cm, 8.3g. 

Estimate £800 - £1,200

AN ANTIQUE SAPPHIRE, DIAMOND AND PEARL BROOCH / PENDANT in openwork foliate design, set to the centre with a cushion cut sapphire in a scalloped cluster of rose cut diamonds, within a wreath style border set with pearls and further diamonds, no assay

Estimate £800 - £1,200

A DIAMOND BAR BROOCH in yellow gold and platinum, set with old mine cut diamonds and rose cut diamonds, no assay marks, 6.4cm, 4.7g.

Estimate £600 - £800

A VINTAGE RUBY AND DIAMOND FLOWER BROOCH in 18ct yellow gold, designed as an articulated flower, set to the centre with a round brilliant cut diamond and round cut ruby stamens, stamped 750, 5.5cm, 23.3g. 

Estimate £2,000 - £3,000

AN ANTIQUE PIQUE TORTOISESHELL BROOCH the domed body inlaid with gold and silver detailing, no assay marks, 3.5cm, 7.1g. 

Estimate £100 - £150

AN ANTIQUE GARNET AND PEARL ETRUSCAN REVIVAL LOCKET BROOCH in yellow gold, set with an octagonal step cut garnet in a cluster of pearls, with a glass covered locket compartment to the reverse, no assay marks, 3.5cm, 10.3g. 

Estimate £300 - £500

AN ANTIQUE VICTORIAN ENAMEL AND DIAMOND BROOCH in yellow gold, the stylised brooch decorated with blue enamel and a diamond and pearl set insect, accented by gold beadwork and white enamel, no assay marks, 4.4cm, 9.3g. 

Estimate £800 - £1,200

A VINTAGE RUBY AND DIAMOND SWEETHEART BROOCH in 18ct yellow gold, designed as two hearts set with round cut rubies and round brilliant cut diamonds tied together with a bow, full British hallmarks for London 1976, 2.8cm, 6.0g. 

Estimate £300 - £500

AN ANTIQUE OPAL BAR BROOCH in 9ct yellow gold, set with a row of eleven oval cabochon opals, stamped 9ct, 6.5cm, 5.7g. 

Estimate £300 - £500

AN ANTIQUE AMETHYST BROOCH in 9ct yellow gold, set with three oval cut amethysts within a stylised openwork border, stamped 9CT, 4.2cm, 6.7g.

Estimate £100 - £150

AN ANTIQUE PASTE LOCKET / BROOCH in yellow gold, the domed body set with an oval cut colourless paste in a cluster of round cut paste, accented by beaded and wirework decoration with two swag chains, suspending a pear-shaped drop set with further pas

Estimate £500 - £700

AN ANTIQUE AGATE CAMEO BROOCH / PENDANT in yellow gold, set with a round agate cameo carved to depict the bust of a classical woman, no assay marks, 3.1cm, 8.2g. 

Estimate £300 - £500

AN ANTIQUE SAPPHIRE AND DIAMOND BAR BROOCH in yellow and white gold, the openwork brooch set with a row of alternating cushion cut sapphires and old cut diamonds, no assay marks, 5.5cm, 3.8g. 

Estimate £400 - £600

A DIAMOND AND SAPPHIRE BROOCH in 14ct yellow and white gold, in an openwork design set throughout with old and rose cut diamonds, suspending a pear shaped sapphire drop, stamped 585, 3.6cm, 6.6g. 

Estimate £800 - £1,200

AN ANTIQUE EDWARDIAN SAPPHIRE AND DIAMOND BAR BROOCH in 18ct white and yellow gold, set with an old cut diamond in a double border of calibre cut sapphires and old cut diamonds with scalloped edges, flanked on each side by rose and old cut diamonds,

Estimate £800 - £1,200

A RUBY AND SAPPHIRE SNAKE BROOCH in 18ct yellow gold, designed as two entwined snakes, the heads set with an oval cut ruby and sapphire respectively, stamped 750, 3.3cm, 8.0g.

Estimate £800 - £1,200

A VINTAGE TURQUOISE, SAPPHIRE AND RUBY BIRD BROOCH in 14ct yellow gold, the head set with turquoise and round cut ruby eye, accented by further round cut sapphires and rubies, stamped 14K, 8.4cm, 15.3g.

Estimate £1,200 - £1,800

AN ANTIQUE PASTE AND FAUX PEARL BROOCH in yellow gold and silver, in a scrolling foliate design set throughout with old cut paste stones, suspending a faux pearl drop, no assay marks, 8.0cm, 30.0g. 

Estimate £600 - £800