MOROZOV, A FINE ANTIQUE RUSSIAN DIAMOND CRESCENT MOON BROOCH in 56 zolotnik gold, designed as a crescent moon, set with a graduating row of old cut diamonds, the diamonds all totalling 1.0-1.1 carats, AA Russian maker's mark, stamped 56, 6.3cm, 3.9g.

Estimate £1,800 - £2,200

VAN CLEEF & ARPELS, A RETRO SAPPHIRE LEAF CLIP BROOCH in 18ct yellow gold, designed as a leaf set with a row of calibre cut sapphires, Van Cleef & Arpels maker's mark, French assay marks, 5.5cm, 15.4g. 

Estimate £6,000 - £8,000

A RARE VINTAGE FRENCH RUBY AND DIAMOND CHRISTMAS TREE WATCH CLIP BROOCH in 18ct yellow gold and platinum, designed as a Christmas tree set with old and single cut diamonds within star shaped borders, accented by candles with cabochon ruby flames, the

Estimate £2,500 - £3,500

A FINE ANTIQUE DIAMOND SWEETHEART BROOCH / PENDANT designed as a pair of interlocking hearts, each set with a pear shaped old cut diamond of approximately 0.37 and 0.47 carats respectively within a border of further diamonds, surmounted by a bow set

Estimate £4,000 - £6,000

A DIAMOND ARROW BROOCH in 18ct white gold, designed as a double headed arrow, the centre with an applied interlocking circle motif, accented by round brilliant cut diamonds, full British hallmarks, 6.3cm, 4.9g. 

Estimate £600 - £800

A 22.66 CARAT AQUAMARINE BROOCH in yellow gold, set with a cushion cut aquamarine of approximately 22.66 carats, within a twisted ropework border, no assay marks, 2.4cm, 8.6g. 

Estimate £1,200 - £1,600

AN ANTIQUE NATURAL SALTWATER PEARL AND DIAMOND BROOCH in yellow gold and silver, the scrolling brooch set with pearls ranging from 3.7-5.6mm, accented by old and rose cut diamonds, no assay marks, 4.2cm, 4.6g. Accompanied by a facsimile gemmological

Estimate £600 - £800

A VINTAGE RUBY AND DIAMOND FLOWER BROOCH in white gold and platinum, designed as a pair of stylised flowers set throughout with old cut diamonds and clusters of round cut rubies, the diamonds all totalling 3.5-4.0 carats, stamped 18CT & PLAT, 6.5cm,

Estimate £2,000 - £3,000

A FINE ART DECO DIAMOND PLAQUE BROOCH the openwork brooch set throughout with old cut diamonds, the principal diamond weighing approximately 1.06 carats, the diamonds totalling 6.0-7.0 carats, pin with French import marks for 18 carat gold, 6.3cm, 14

Estimate £3,000 - £5,000

BULGARI, A VINTAGE DIAMOND, EMERALD AND ENAMEL LEOPARD BROOCH in 18ct yellow gold, designed as a leopard, the tail set with a row of single cut diamonds, the eyes set with round cut emeralds, the spots decorated with black and orange enamel, signed B

Estimate £8,000 - £12,000

DAVID WEBB, A FINE PEARL AND DIAMOND SPRAY BROOCH design as a floral spray set throughout with round brilliant cut diamonds totalling 10.0-12.0 carats, accented by two pearls of approximately 18.0mm and 19.0mm, signed Webb, stamped PLAT, 6.0cm, 54.9g

Estimate £20,000 - £30,000

A FINE ANTIQUE VICTORIAN DIAMOND AND ENAMEL SNAKE BROOCH in yellow gold, designed as a coiled snake, the head set with a cluster of rose cut diamonds, the body decorated with black enamel patterning, no assay marks, 4.7cm, 23.0g.

Estimate £2,000 - £5,000

AN ANTIQUE VICTORIAN ETRUSCAN REVIVAL EMERALD AND DIAMOND BROOCH in yellow gold, the domed brooch set with an oval cabochon emerald accented by old cut diamonds, suspending a pair of articulated gold tassels, no assay marks, 10.6cm, 38.7g. 

Estimate £2,500 - £3,500

AN ANTIQUE BURMA NO HEAT RUBY AND DIAMOND BROOCH / PENDANT in yellow gold and silver, the openwork scrolling brooch set with an oval cut ruby of 1.21 carats accented by old and rose cut diamonds, suspending a cushion cut ruby drop of 0.90 carats, no

Estimate £2,500 - £3,500

AN ANTIQUE NATURAL SALTWATER PEARL AND DIAMOND BROOCH in yellow gold and silver, designed as a foliate spray set with pearls, accented by rose cut diamonds, no assay marks, 3.8cm, 6.0g. Accompanied by a facsimile gemmological report stating the pearl

Estimate £800 - £1,200

AN ANTIQUE EMERALD AND DIAMOND BROOCH, LATE 18TH CENTURY in yellow gold and silver, the foliate style brooch set with an octagonal step cut emerald, accented throughout with rose cut diamonds, suspending a drop of similar design, pin marked indistinc

Estimate £1,200 - £1,600

FEDOR LORIE, AN ANTIQUE RUSSIAN DIAMOND BOW BROOCH in 56 zolotnik gold and silver, the openwork brooch in foliate design with bow motifs, set throughout with old and rose cut diamonds, Fedor Lorie maker's mark, stamped 56, 4.3cm, 6.5g. Accompanied by

Estimate £2,000 - £3,000

AN ANTIQUE GARNET AND PEARL BROOCH, 19TH CENTURY in yellow gold, set with five oval cut garnets accented by pearls, within a cannetille style border, no assay marks, 3.6cm, 6.8g. 

Estimate £600 - £800

AN OPAL, EMERALD AND DIAMOND BROOCH set with a cabochon opal accented by old European and rose cut diamonds and square step cut emeralds, stamped 750 PL, 3.9cm, 4.4g. 

Estimate £1,200 - £1,600

A FINE RUBY AND DIAMOND CLIP BROOCH, 1930'S the shield shaped brooch set with oval cut rubies all totalling 6.5-7.0 carats, accented by old and rose cut diamonds all totalling 2.5-3.0 carats, no assay marks, 4.5cm, 20.4g. 

Estimate £3,500 - £4,500

A SPINEL AND DIAMOND STAR BROOCH designed as an eighteen rayed star set to the centre with a round cut spinel of approximately 1.13 carats, accented by single and round brilliant cut diamonds, the diamonds all totalling 1.5-2.0 carats, no assay marks

Estimate £2,000 - £3,000

A CORAL CAMEO BROOCH set with an oval cameo carved to depict the bust of a classical woman, in a scrolling frame accented by scallop motifs, no assay marks, 3.4cm, 5.6g. 

Estimate £500 - £700

AN ANTIQUE SARDONYX CAMEO, DIAMOND AND PEARL BROOCH / PENDANT in yellow gold, set with a sardonyx cameo carved to depict the bust of a classical woman, accented by pearls and rose cut diamonds, no assay marks, 5.7cm, 20.6g. 

Estimate £1,200 - £1,600

AN ANTIQUE GARNET AND PEARL DAISY BROOCH / PENDANT in 14ct yellow yellow gold and silver, designed as a daisy set with a round cabochon garnet, the petals set with pearls, Portuguese assay marks, 4.0cm, 19.0g. 

Estimate £1,000 - £1,500

AN ART DECO JADEITE JADE AND DIAMOND BROOCH in 9ct white gold, set with a jadeite jade plaque carved to depict fruit, accented by single cut diamonds, stamped 9CT, 2.0cm, 3.9g. 

Estimate £500 - £700

A BURMA NO HEAT RUBY AND DIAMOND BROOCH designed as a stylised spray set with oval and round cut rubies totalling 2.2-2.4 carats, accented by round brilliant and baguette cut diamonds totalling 1.7-2.0 carats, no assay marks, 2.6cm, 7.1g. 

Estimate £1,200 - £1,600

AN ANTIQUE VICTORIAN GARNET BROOCH in yellow gold, set with an oval cabochon garnet, accented by ropework, glass covered locket panel to the reverse, inscribed 'Camperdown 1884', no assay marks, 4.7cm, 12.8g. 

Estimate £1,000 - £1,500

AN ANTIQUE DIAMOND IRIS BROOCH in yellow gold and silver, designed as an iris, set throughout with rose and round cut diamonds, the iris petals articulated, no assay marks, 9.7cm, 26.8g. 

Estimate £2,000 - £3,000

A VINTAGE MULTI GEM AND DIAMOND BLACKAMOOR CLIP BROOCH the head formed of carved ebony accented by pearl earrings, the headdress set with a cabochon chrysoprase accented by pear and round cut rubies, round cut synthetic sapphires, a jadeite jade bead

Estimate £2,500 - £3,500

A RUBY, SAPPHIRE, PEARL AND DIAMOND BUTTERFLY BROOCH in yellow gold and silver, designed as a butterfly set with a row of pearls, the wings set with cushion cut rubies, sapphires and rose cut diamonds, the eyes set with round cut rubies, no assay mar

Estimate £800 - £1,200

AN ANTIQUE FOILED ROCK CRYSTAL BROOCH in yellow gold, set with an oval cut foiled rock crystal within a cannetille style border, no assay marks, 2.3cm, 4.0g. 

Estimate £200 - £300

AN ANTIQUE ONYX AND DIAMOND MOURNING BROOCH in yellow gold, comprising a polished disc set with a rose cut diamond, no assay marks, 3.1cm, 13.5g.

Estimate £300 - £500

AN ANTIQUE DIAMOND STAR BROOCH / PENDANT designed as an eight rayed star accented by foliate motifs, set throughout with old cut diamonds, the diamonds totalling 1.5-1.8 carats, no assay marks, 3.4cm, 9.7g. 

Estimate £800 - £1,200

AN ANTIQUE VICTORIAN DIAMOND BROOCH in Etruscan Revival design, set with a rose cut diamond, glass covered locket panel to the reverse containing hairwork, no assay marks, 3.9cm, 5.8g. 

Estimate £200 - £300

AN ANTIQUE RUBY, SAPPHIRE, DIAMOND AND PEARL CLOVER BROOCH in yellow gold, designed as a pair of leaves set with a round cut ruby, old cut diamonds and seed pearls, surmounted by a clover motif set with a round cut sapphire and ruby and a further old

Estimate £400 - £600

AN ANTIQUE TURQUOISE BOW BROOCH in yellow gold, designed as a bow with floral clusters set with round cabochon turquoise, suspending a pendant of similar design with a glass covered locket compartment to the reverse, no assay marks, 6.4cm, 9.1g. 

Estimate £500 - £700

A DIAMOND AND ENAMEL ROYAL AIR FORCE BADGE / BROOCH in 9ct white gold, the central roundel applied with the letters RAF set with round brilliant cut diamonds, against a wreath of green enamel leaves, surmounted by a coronet set with diamonds and reli

Estimate £500 - £700

A HARDSTONE AND ENAMEL EGYPTIAN REVIVAL BROOCH in silver, designed as the head of a pharaoh set with a carved brown hardstone, relieved in blue and white enamel, accented by wings decorated with green and pink enamel and plique a jour enamel, stamped

Estimate £200 - £300

AN ANTIQUE DIAMOND BROOCH in yellow gold and silver, the foliate style brooch set throughout with old and rose cut diamonds, marked indistinctly, 3.2cm, 4.5g. 

Estimate £300 - £500

A RETRO RUBY AND DIAMOND BOW BROOCH in 18ct yellow gold, designed as a bow set with an old cut diamond of approximately 0.60 carats, accented by calibre cut rubies, French import marks, 7.3cm, 29.4g. 

Estimate £2,500 - £3,500