A VINTAGE DIAMOND HEART BROOCH, CIRCA 1952 in 18ct yellow and white gold, the domed heart shaped body set to the centre with a pear shaped diamond accented by pave set round brilliant cut diamonds, in a border of yellow gold, the reverse engraved wit

Estimate £5,000 - £7,000

CARTIER, A VINTAGE OPAL, EMERALD AND DIAMOND TURTLE BROOCH in 18ct yellow gold, the shell set with an oval cabochon opal in a cluster of rose cut diamonds, the head, limbs and tail set with buff top cabochon emeralds, the eyes set with single cut dia

Estimate £8,000 - £12,000

A MULTI GEM INSECT BROOCH in yellow gold, designed as a winged insect, the body set with an octagonal step cut amethyst and a banded agate, the wings set with fancy cut citrine and rock crystal, the head set with a round brilliant cut diamond, no ass

Estimate £2,000 - £3,000

MAUBOUSSIN, A VINTAGE RUBELITE TOURMALINE AND DIAMOND BIRD BROOCH in 18ct yellow gold, designed as a bird in flight, the body set with a fancy cut rubellite tourmaline, the engraved gold wings accented by round brilliant cut diamonds, signed Maubouss

Estimate £15,000 - £25,000

AN ANTIQUE VICTORIAN ENAMEL, PEARL AND DIAMOND BROOCH in yellow gold, set with a cluster of pearls in a border of old cut diamonds on a blue guilloche enamel background, within a further border of pearls, no assay marks, 3.0cm, 11.8g. 

Estimate £2,500 - £3,500

AN ANTIQUE DIAMOND BROOCH / PENDANT in yellow gold and silver, the openwork brooch in scrolling design set throughout with old and rose cut diamonds, suspending three articulated drops set with further old and rose cut diamonds, detachable bail set w

Estimate £10,000 - £15,000

AN ANTIQUE DIAMOND EN TREMBLANT BROOCH in yellow gold and silver, designed as a spray of foliage with a flower en tremblant, the flower set to the centre with an old cut brown diamond, accented throughout with old cut diamonds, the diamonds all total

Estimate £4,000 - £6,000

AN ANTIQUE CARNELIAN AND AGATE CAMEO BROOCH in yellow gold, set with two agate and a carnelian intaglio depicting the busts of classical men, no assay marks, 7.4cm, 43.5g. 

Estimate £6,000 - £8,000

A DIAMOND AND TURQUOISE CLIP BROOCH in white gold and platinum, set with an old pear cut diamond in a border of cabochon turquoise, accented by rose cut diamonds, French import marks, 3.0cm, 10.2g. 

Estimate £2,500 - £3,500

AN ANTIQUE DIAMOND BIRD BROOCH in yellow gold and silver, designed as a bird perched on a branch, the bird set throughout with rose cut diamonds suspending an old cut diamond of approximately 0.60 carats from its mouth, the branch accented by further

Estimate £6,000 - £8,000

VAN CLEEF & ARPELS, A VINTAGE SAPPHIRE AND DIAMOND BROOCH in 18ct yellow gold, set with a cushion cut sapphire of approximately 1.16 carats, in concentric borders of round brilliant cut diamonds and cushion cut and round cut sapphires, the diamonds a

Estimate £10,000 - £15,000

A FRENCH DIAMOND TASSEL BROOCH / PENDANT in 18ct white gold, set with nine articulated rows of round brilliant cut diamonds, the diamonds all totalling 7.0-7.5 carats, French assay marks, 4.5cm, 18.7g. 

Estimate £4,000 - £6,000

A VINTAGE STAR SAPPHIRE, RUBY, AND DIAMOND OWL BROOCH in yellow and white gold, designed as an owl perched on a branch, the body of the owl set with a cabochon star sapphire of approximately 25.00 carats, the wings and head set with round brilliant c

Estimate £3,000 - £5,000

A VINTAGE TURQUOISE AND DIAMOND BEETLE BROOCH in 18ct yellow gold, the body set with a carved turquoise, the head pave set with round brilliant cut diamonds, stamped K18, 3.0cm, 10.6g. 

Estimate £1,500 - £2,500

A VINTAGE MOONSTONE AND DIAMOND BROOCH in white gold, set with baguette, old and round brilliant cut diamonds in a geometric design, accented by oval cabochon moonstones, the diamonds all totalling 3.4-3.6 carats, no assay marks, 4.3cm, 15.6g. 

Estimate £6,000 - £8,000

AN ANTIQUE GEORGIAN DIAMOND BROOCH in silver, of openwork foliate design set throughout with old cut diamonds, no assay marks, 2.6cm, 7.0g. 

Estimate £2,500 - £3,500

AN ART DECO SAPPHIRE AND DIAMOND BROOCH / PENDANT the circular openwork body set to the centre with an old European cut diamond of approximately 0.52 carats in a border of calibre cut sapphires, accented by further calibre cut sapphires and old and s

Estimate £4,000 - £6,000

A TUTTI FRUTTI EMERALD, RUBY AND DIAMOND PEACOCK BROOCH in 18ct yellow gold, designed as a peacock perched on a branch, the head set with a round cabochon ruby accented by single cut diamonds, the body set with a cabochon emerald, the tail set with M

Estimate £3,000 - £5,000

A FINE DIAMOND CLIP BROOCH in platinum, the scrolling body set to the centre with a kite shaped diamond of approximately 0.75 carats, accented by round brilliant, baguette, trapeze and carre cut diamonds, the diamonds all totalling 7.0-7.5 carats, no

Estimate £8,000 - £12,000

DAVID WEBB, A VINTAGE DIAMOND BROOCH in 18ct yellow gold and platinum, the scrolling body pave set with sections of round brilliant cut diamonds, accented by twisted gold ropework, the diamonds all totalling 6.0-6.5 carats, signed Webb, stamped 18K P

Estimate £6,000 - £8,000

TIFFANY & CO, A VINTAGE ENAMEL FLOWER BROOCH in 18ct yellow gold, designed as the head of a dahlia flower, the petals decorated with purple and blue enamel, the stamens decorated with yellow enamel, signed Tiffany & Co, stamped 18Kt, 4.0cm, 25.0g. Ac

Estimate £1,500 - £2,500

VAN CLEEF & ARPELS, A DIAMOND FLOWER BROOCH in 18ct yellow gold, designed as the head of a flower, set to the centre with a cluster of round brilliant cut diamonds, signed VCA FRANCE and numbered, stamped 750 18KT, 6.0cm, 23.7g. 

Estimate £3,500 - £4,500

A VINTAGE LAPIS LAZULI AND DIAMOND GEISHA BROOCH in 18ct yellow gold, designed as a Japanese Geisha carved from lapis lazuli and accented by round brilliant cut diamonds, pin stamped 750, 7.1cm, 32.8g. 

Estimate £2,000 - £3,000

A DIAMOND FLOWER BROOCH in white gold, designed as a stylised lily pave set throughout with round brilliant cut diamonds all totalling 6.5-7.5 carats, no assay marks, 6.6cm, 14.6g. 

Estimate £4,000 - £6,000

A VINTAGE RUBY AND DIAMOND BROOCH in platinum, designed as an openwork abstract scroll set with step cut and pear shaped rubies and round brilliant cut diamonds, the rubies all totalling 3.5-4.0 carats, the diamonds all totalling 2.5-3.0 carats, stam

Estimate £10,000 - £15,000

CHAUMET, A VINTAGE GOLD MONKEY BROOCH in 18ct yellow and white gold, designed as a group of monkeys on each other's shoulders, signed Chaumet, French assay marks, 4.5cm, 9.8g. 

Estimate £2,000 - £3,000

A FINE VINTAGE DIAMOND AND OPAL GIARDINETTO BROOCH designed as a basket of flowers, set with six old cut diamonds of approximately 0.37, 0.54. 0.52, 0.58, 1.64 and 0.41 carats, the basket set with three oval cabochon opals, no assay marks, 4.0cm, 15.

Estimate £4,000 - £6,000

A FINE ANTIQUE VICTORIAN ENAMEL AND PEARL PENDANT / BROOCH in yellow gold, the openwork pendant decorated with multicoloured enamel in a floral design, accented by pearls, with detachable brooch fitting, no assay marks, 3.8cm, 5.6g. 

Estimate £2,500 - £3,500

A FINE ANTIQUE AGATE CAMEO, BANDED AGATE AND ENAMEL BROOCH in yellow gold, set with an oval agate cameo carved to depict a cherub in a horse drawn carriage, in a border of round cabochon banded agate accented by black enamel, no assay marks, 3.6cm, 12.1g. 

Estimate £1,500 - £2,500

GUBELIN, A VINTAGE HARDSTONE AND RUBY FOX BROOCH in 18ct yellow gold, designed as a fox, the body and tail set with brown hardstone, the eyes set with cabochon rubies, Gubelin maker's mark, stamped 750, 4.7cm, 14.3g. 

Estimate £2,000 - £3,000