AN ANTIQUE VICTORIAN DIAMOND CRESCENT MOON BROOCH in yellow gold and silver, set with a row of graduated old cut diamonds, no assay marks, 4.8cm, 3.9g. 

Estimate £400 - £600

A GEMSET NAUTICAL FLAG BROOCH designed as four nautical flags set with round and step cut citrine, step and cabochon cut onyx, calibre cut synthetic rubies, rose cut diamonds, and calibre cut synthetic sapphires, no assay marks, 4.2cm, 6.5g. 

Estimate £600 - £800

A FINE DIAMOND BOW BROOCH designed as a bow set to the centre with a round brilliant cut diamond of approximately 1.60 carats, the bow designed as a diamond set lattice suspending a kite shaped drop set with further round brilliant cut diamonds, the

Estimate £5,000 - £7,000

AN ANTIQUE DIAMOND HEART BROOCH, CIRCA 1900 in yellow gold and silver, designed as a heart, set with old cut diamonds, no assay marks, 2.5cm, 4.5g.

Estimate £1,000 - £1,500

CARTIER, A VINTAGE TURQUOISE AND DIAMOND FLOWER BROOCH, CIRCA 1970 in 18ct yellow gold, designed as an exotic flower, set with cabochon turquoise and round brilliant cut diamonds, the diamonds all totalling 3.1-3.3 carats, signed Cartier Paris, Frenc

Estimate £15,000 - £25,000

AN ANTIQUE VICTORIAN DIAMOND EN TREMBLANT BROOCH, 19TH CENTURY in silver and yellow gold, designed as a branch with a flower, the flower set en tremblant, set throughout with old cushion cut and old pear cut diamonds, the diamonds all totalling 7.0-7

Estimate £4,000 - £6,000

A MOONSTONE, DIAMOND, RUBELLITE TOURMALINE AND GREEN GARNET INSECT BROOCH / PENDANT in yellow gold and silver, the body set with a cabochon moonstone, a faceted rubellite tourmaline and rose cut diamonds, the articulated wings set with further rose c

Estimate £1,000 - £1,500

A DIAMOND SPRAY BROOCH in yellow gold and silver, designed as a spray of three flowers, the flowers set en tremblant, the brooch set throughout with old cut diamonds, the diamonds all totalling 6.0-6.5 carats, indistinct assay marks, 6.4cm, 42.5g. 

Estimate £5,000 - £7,000

A MOONSTONE, EMERALD AND PEARL BROOCH / PENDANT in yellow gold, set with an oval cabochon moonstone in a border of round cut emeralds and pearls, no assay marks, 2.8cm, 6.3g. 

Estimate £800 - £1,200

A GREEN TOURMALINE AND DIAMOND BROOCH in 18ct white gold, in foliate design, set with three round cut green tourmalines accented by round brilliant cut diamonds, the diamonds totalling 4.0-4.5 carats, Swedish assay marks, 5.1cm, 18.7g. 

Estimate £1,500 - £2,500

A DIAMOND BROOCH, CIRCA 1940 in platinum, in geometric design, set throughout with old and single cut diamonds, the diamonds all totalling 2.2-2.4 carats, no assay marks, 3.0cm, 7.9g. 

Estimate £1,000 - £1,500

AN ANTIQUE PORTRAIT MINIATURE BROOCH in yellow gold, set with a portrait miniature depicting the bust of a woman, accented by a scrolling frame with bow motifs set with step cut garnets, brooch pin deficient, no assay marks, 4.5cm, 19.0g.

Estimate £400 - £600

AN ANTIQUE DIAMOND BOW BROOCH, EARLY 20TH CENTURY in 18ct yellow gold and silver, designed as a bow suspending a scroll design and floral cluster drop, set throughout with old cut and rose cut diamonds, stamped 18CT, 4.9cm, 10.3g. 

Estimate £400 - £600

AN EMERALD AND CITRINE BIRD BROOCH in yellow gold, modelled as a bird perched on a branch, the body of the bird set with round cut citrines, the eye set with a round cut emerald, no assay marks, 3.4cm, 11.3g. 

Estimate £400 - £600

BOUCHERON, A VINTAGE DIAMOND CLIP BROOCH, 1950S in 18ct yellow gold, designed as a spray of leaves, set with round brilliant cut diamonds, signed Boucheron Paris, French assay marks, 5.7cm, 23.6g.

Estimate £5,000 - £7,000

CHANEL, A VINTAGE BROOCH designed as three interlocking CC motifs, signed Chanel, 5.2cm, 26.4g. 

Estimate £600 - £800

A VINTAGE FRENCH DIAMOND SEA URCHIN BROOCH in 18ct yellow gold, designed as a dome with radiating prongs, set with a round brilliant cut diamond, R D maker's mark, French assay marks, 3.4cm, 17.5g.

Estimate £1,500 - £2,500

AN ART DECO DIAMOND BROOCH the geometric body set throughout with old cut diamonds totalling 3.5-4.0 carats, no assay marks, 4.4cm, 9.3g. 

Estimate £2,500 - £3,500

A YELLOW SAPPHIRE BAR BROOCH in 14ct white gold, set with a rectangular step cut yellow sapphire of 2.29 carats to a bar with engine turned detailing, stamped 14K, 5.7cm, 3.6g.

Estimate £500 - £700

AN ANTIQUE CAMEO BROOCH / PENDANT in yellow gold, set with a cameo carved to depict the profile of a lady, no assay marks, 5.1cm, 24.0g. 

Estimate £600 - £800

AN ANTIQUE VICTORIAN SAPPHIRE AND DIAMOND CRESCENT MOON BROOCH in yellow gold and silver, set with a row of old cut diamonds and a row of round cut sapphires, no assay marks, 3.5cm, 8.2g. 

Estimate £1,000 - £1,500

YVEL, A PEARL, EMERALD, RUBY, SAPPHIRE AND DIAMOND CLOWN BROOCH in 18ct yellow gold, designed as a clown, a baroque pearl forming the legs, the body set with round cut diamonds, sapphires, rubies and emerald, a cabochon ruby to the nose, signed YVEL,

Estimate £600 - £800

A VINTAGE DIAMOND SPRAY BROOCH in white gold, designed as a scrolling spray set with baguette and single cut diamonds, the diamonds totalling 1.8-2.2 carats, no assay marks, 3.5cm, 7.3g.

Estimate £1,200 - £1,600

A DIAMOND, RUBY, AND SAPPHIRE BIRD BROOCH in yellow gold, the body of the bird invisibly set with calibre cut rubies, the wings and tail set with round brilliant cut diamonds, the eye set with a cabochon cut ruby and the beak set with a cabochon cut

Estimate £2,000 - £3,000

A DIAMOND SPRAY BROOCH designed as an abstract floral bouquet set with round brilliant cut and baguette cut diamonds, the diamonds all totalling 4.5-5.0 carats, no assay marks, 6.2cm, 19.1g. 

Estimate £2,000 - £3,000

A SAPPHIRE AND DIAMOND BUTTERFLY BROOCH in yellow gold, designed as a butterfly set throughout with round brilliant cut diamonds, accented by pear cut sapphires, the diamonds totalling 2.2-2.4 carats, the sapphires totalling 1.6-1.8 carats, no assay

Estimate £2,000 - £3,000

A VINTAGE ENAMEL SNAKE BROOCH in 18ct yellow gold, designed as a coiled snake decorated with green, white and red enamel, stamped ITALY 18K 750, 5.0cm, 16.4g. 

Estimate £800 - £1,200

AN ANTIQUE DIAMOND BROOCH, 19TH CENTURY in yellow gold and silver, designed as a scrolling ribbon, set throughout with old cut diamonds, the diamonds totalling 3.5-4.0 carats, no assay marks, 3.5cm, 6.6g. 

Estimate £2,000 - £3,000

A DIAMOND FLOWER BROOCH / PENDANT in 18ct yellow gold, designed as a flower, the centre pave set with round brilliant cut diamonds, stamped 750, 5.5cm, 42.4g.

Estimate £2,500 - £3,500

A DIAMOND, RUBY AND ENAMEL LEOPARD BROOCH in 18ct yellow gold, designed as a leopard cub with black enamel spots, accented with round cut diamonds and round cut ruby eyes, stamped 750, 5.0cm, 11.3g

Estimate £800 - £1,200

A SET OF DIAMOND HAIR CLIPS in white gold, each hair clip in a scrolling design set with old cut diamonds, no assay marks, each clip measuring 4.3cm, 15.2g. 

Estimate £1,500 - £2,500

A FRENCH DIAMOND SPRAY BROOCH in 18ct white gold, stylised in an abstract floral form set with round brilliant, baguette, and marquise cut diamonds, the diamonds all totalling 5.5-5.8 carats, French assay marks, 4.6cm, 22.1g. 

Estimate £4,000 - £6,000

CHANEL, A GEMSET CC BROOCH comprising the interlocking CC motif accented by four cushion cut pink gemstones and four round cut black gemstones, signed Chanel, 3.9cm, 22.8g. 

Estimate £400 - £600

A PAIR OF DIAMOND CLIP BROOCHES in 14ct yellow gold, each designed as an open square the bottom half engraved in a fluted design, the top half accented by round brilliant cut diamonds, full British hallmarks, 3.4cm, 21.9g. 

Estimate £800 - £1,200

AN ANTIQUE RUBY, DIAMOND AND PEARL PORTRAIT MINIATURE BROOCH, 19TH CENTURY in yellow gold and silver, set with an oval painted miniature of a woman within a border of cushion cut rubies, rose cut diamonds and pearls, surmounted by a coronet set with

Estimate £400 - £600

A FINE ART DECO CORAL, DIAMOND AND ONYX BROOCH in 14ct yellow gold, set with a sugarloaf cabochon coral against a pierced geometric ground, accented by old and single cut diamonds and polished onyx batons, stamped 585, 3.6cm, 7.8g.

Estimate £1,000 - £1,500

TIFFANY & CO, A CITRINE AND DIAMOND BOW BROOCH, CIRCA 1980 in 18ct yellow gold, designed as a bow, set with two trillion cut citrines accented by round brilliant cut diamonds, signed Tiffany & Co., stamped 750, 4.0cm, 16.9g. Accompanied by a Tiffany

Estimate £2,000 - £3,000

A DIAMOND AND ENAMEL DOG BROOCH in yellow gold, designed as a dog, the collar in black enamel with an old cut diamond, no assay marks, 5.0cm, 8.2g. 

Estimate £500 - £700

AN ANTIQUE AMETHYST AND DIAMOND FLOWER BROOCH / PENDANT designed as a flower, the petals set with fancy cut amethysts, accented by old and rose cut diamonds, no assay marks, 2.0cm, 4.4g. 

Estimate £1,000 - £1,500

A SET OF THREE JADEITE JADE BIRD BROOCHES in yellow gold, comprising three circular brooches decorated with foliate designs, each set with a jadeite jade bird and connected by a chain, no assay marks, 29.8cm, 6.7g. 

Estimate £1,000 - £1,500

AN ANTIQUE SAPPHIRE, RUBY, IMPERIAL TOPAZ AND DIAMOND INSECT BROOCH in yellow gold, designed as an insect, the body set with a round cut sapphire and a pear cut imperial topaz, the wings set with rose cut diamonds, cabochon rubies to the eyes, no ass

Estimate £600 - £800

AN ART DECO DIAMOND BROOCH in platinum and 18ct white gold, in geometric form set throughout with old European cut diamonds, stamped 18CT PLAT, 3.8cm 4.5g. 

Estimate £300 - £500

A RETRO RUBY AND DIAMOND DOUBLE CLIP BROOCH in 14ct rose gold, the scrolling body set with round cut rubies and round brilliant cut diamonds, the two clips detachable from the frame as a pair of clip brooches, the rubies all totalling 1.2-1.5 carats,

Estimate £1,000 - £1,500

A DIAMOND BROOCH set with a cluster of old cut diamonds, accented by further old cut diamonds, the diamonds all totalling 2.4-2.6 carats, no assay marks, 2.6cm, 7.8g. 

Estimate £1,500 - £2,500

A TURQUOISE AND PEARL DOG BROOCH designed as a Pekingese, set throughout with cabochon turquoise and pearls, no assay marks, 2.9cm, 7.0g. 

Estimate £800 - £1,200

A VINTAGE DIAMOND BROOCH in 18ct white gold, the scrolling body set with old cut diamonds all totalling 4.4-4.7 carats, later British hallmarks, 4.3cm, 11.9g.

Estimate £2,000 - £3,000

AN ANTIQUE CAMEO BROOCH, 19TH CENTURY in yellow gold, set with an oval carved agate cameo depicting the bust of a classical lady adorned by vine leaves and grapes, no assay marks, 4.7cm, 19.8g.

Estimate £1,500 - £2,500

AN ANTIQUE DIAMOND, RUBY AND ENAMEL NOVELTY CHICK BROOCH in yellow gold and silver, comprising two bars set with a chick jewelled with round cut diamonds and a ruby, between white enamel pieces of shell, no assay marks, 4.5cm, 4.5g.

Estimate £300 - £500

A PAIR OF BOHEMIAN GARNET DROP EARRINGS in silver and gold, each comprising a cluster of rose cut garnets suspending three articulated drops with further rose cut garnets, stamped 9CT, 4.4cm, 5.8g.

Estimate £200 - £300

AN ANTIQUE DIAMOND AND PEARL FLOWER SPRAY BROOCH in yellow gold and silver, designed as a bouquet of flowers, set throughout with rose cut diamonds and pearls, no assay marks, 8.1cm, 17.0g. 

Estimate £800 - £1,200

AN ANTIQUE CAMEO AND DIAMOND BROOCH, EARLY 19TH CENTURY in yellow gold and silver, set with a cameo carved to depict a lion between two arrowhead motifs in a foliate style border set with rose cut diamonds, no assay marks, 4.1cm, 13.3g.

Estimate £200 - £300

AN ANTIQUE OPAL, ENAMEL AND DIAMOND BROOCH / PENDANT in yellow gold, the scrolling body set to the centre with a cabochon opal, accented by blue guilloche enamel and old cut diamonds, with a glass locket panel to the reverse, no assay marks, 4.5cm, 2

Estimate £3,000 - £5,000

AN ANTIQUE AQUAMARINE AND PINK TOPAZ BROOCH in yellow gold, in foliate design, set with pear shaped aquamarines suspending a swag chain and articulated pear shaped pink topaz drop, no assay marks, 4.6cm, 5.5g. 

Estimate £250 - £350

AN ANTIQUE DIAMOND AND RUBY CRICKET BROOCH in yellow gold, set throughout with rose and old cut diamonds, accented by a cushion cut ruby, no assay marks, 5.0cm, 7.5g.

Estimate £800 - £1,200

AN ANTIQUE LOVER'S EYE BROOCH in yellow gold, set with a painted miniature of an eye, no assay marks, 1.7cm, 2.0g. 

Estimate £400 - £600

AN ANTIQUE TURQUOISE AND PEARL CRESCENT MOON BROOCH in yellow gold, designed as a crescent moon set with alternating cabochon turquoise and pearls, no assay marks, 5.4cm, 4.0g. 

Estimate £400 - £600

AN ANTIQUE DIAMOND AND PEARL ARROW BROOCH designed as an arrow, the head and feathers set with rose cut diamonds, set with a pearl of 6.7mm to the centre, no assay marks, 4.9cm, 3.8g. 

Estimate £400 - £600

A SAPPHIRE, RUBY, DIAMOND AND MOTHER OF PEARL DRAGONFLY BROOCH in 18ct yellow gold and silver, designed as a dragonfly, the body set with a cushion cut blue sapphire within a cluster of old cut diamonds, the wings inlaid with polished mother of pearl

Estimate £4,000 - £6,000

AN ANTIQUE PEARL AND DIAMOND CRESCENT MOON BROOCH in yellow gold, designed as a crescent moon, set with pearls accented by pairs of rose cut diamonds, no assay marks, 3.5cm, 8.2g. 

Estimate £500 - £700

AN ANTIQUE PEARL FLOWER SPRAY BROOCH in silver, designed as a bouquet of flowers tied together with a ribbon, set throughout with pearls, no assay marks, 7.3cm, 23.3g. 

Estimate £600 - £800

AN ANTIQUE AMETHYST AND PEARL BROOCH in 9ct yellow gold, set with an oval cut amethyst in an openwork border set with pearls, full British hallmarks for London 1913, 3.4cm, 7.9g. 

Estimate £150 - £250

AN ANTIQUE SEED PEARL AND DIAMOND BROOCH / PENDANT in yellow gold, formed of concentric rows of seed pearls around a central old mine cut diamond of approximately 0.28 carats, no assay marks, 2.2cm, 8.3g.

Estimate £300 - £500

AN ANTIQUE JAPANESE SHAKUDO BROOCH the circular brooch depicting a fan and foliage, no assay marks, 2.7cm, 7.9g. 

Estimate £200 - £300

AN ANTIQUE EDWARDIAN DIAMOND AND PEARL BAR BROOCH in 15ct yellow gold, set to the centre with a pearl in a cluster of single cut diamonds, accented to each side by a pearl, stamped 15ct, 5.2cm, 4.0g. 

Estimate £300 - £500

AN ANTIQUE DIAMOND AND RUBY BIRD BROOCH, 19TH CENTURY in yellow gold and silver, designed as three birds perched on a branch, the birds set with rose cut diamonds with and cabochon ruby eyes, no assay marks, 4.9cm, 9.5g. 

Estimate £800 - £1,200

AN ANTIQUE PEARL AND DIAMOND BROOCH set to the centre with a pearl in a cluster of old cut diamonds, accented on each side by a row of three old cut diamonds and a pearl, no assay marks, 5.7cm, 4.5g. 

Estimate £300 - £500

AN ANTIQUE PEARL AND DIAMOND BROOCH / PENDANT in yellow gold, designed as a flower set with pearls and rose cut diamonds, no assay marks, 2.8cm, 11.9g. 

Estimate £500 - £700

AN ANTIQUE DIAMOND AND PEARL SWEETHEART BROOCH designed as two interlocking hearts set with old cut diamonds accented by pearls and further old and rose cut diamonds, no assay marks, 5.0cm, 5.9g. 

Estimate £500 - £700

AN ANTIQUE EDWARDIAN PERIDOT AND PEARL BROOCH / PENDANT in 15ct yellow gold, set with a step cut peridot of 1.34 carats to a scrolled body set throughout with seed pearls, stamped 15CT, 4.4cm, 6.1g.

Estimate £200 - £300

AN ANTIQUE TURQUOISE AND PEARL BROOCH in yellow gold, designed as a wreath of leaves set with pearls, accented by round cabochon turquoise, no assay marks, 2.1cm, 2.1g.

Estimate £100 - £150

AN ANTIQUE CORAL BROOCH in silver, set with pieces of carved coral, no assay marks, 3.0cm, 5.6g.

Estimate £200 - £300

AN ANTIQUE PEARL AND HAIRWORK MOURNING BROOCH, EARLY 19TH CENTURY in yellow gold, the oval brooch depicting a woman mourning at an urn with the initials 'AB' accented by pearls, the reverse with a glass locket compartment containing hairwork and the

Estimate £300 - £500

AN ANTIQUE PIQUE TORTOISESHELL BUTTERFLY BROOCH carved in the shape of a butterfly, decorated throughout with inlaid pique patterns, JS maker's mark, no assay marks, 5.7cm, 6.5g. 

Estimate £300 - £500

A FINE ANTIQUE CARVED CAMEO BROOCH, 19TH CENTURY in 18ct yellow gold, the oval shell cameo carved in detail to Apollo in his chariot being drawn up to the sun, preceded at the far right by Aurora, whilst Lucifer, personifying the day star, flies abov

Estimate £1,500 - £2,500

AN ANTIQUE DIAMOND HARE BROOCH in platinum and yellow gold, set with old mine and rose cut diamonds, accented by a cabochon ruby eye and engraved fur detailing, no assay marks, 3.8cm, 5.8g.

Estimate £800 - £1,200

AN ART DECO DIAMOND BROOCH in platinum and 18ct white gold, in geometric design, set to the centre with an old cut diamond accented by rows of single cut diamonds, the diamonds totalling 1.8-2.0 carats, stamped 18CT PT, 4.1cm, 6.5g. 

Estimate £800 - £1,200