A PINK SAPPHIRE, DIAMOND AND PEARL HEART BROOCH in white gold, the openwork heart set to the centre with a cushion cut pink sapphire of approximately 1.10 carats accented by round brilliant cut diamonds, suspending a pearl drop, no assay marks, 3.8cm

Estimate £500 - £700

ERNST PALTSCHO, AN ANTIQUE REVERSE INTAGLIO BUTTERFLY BROOCH in 14ct yellow gold, set with a painted triangular reverse carved Essex crystal depicting a butterfly and flower scene, the wings of the butterfly set with butterfly wing, the reverse engra

Estimate £600 - £800

AN ANTIQUE DIAMOND PAINTED MINIATURE BROOCH in yellow gold and silver, set with a painted portrait of the goddess Diana in a border of rose cut diamonds, miniature signed FF, no assay marks, 2.9cm, 11.9g. 

Estimate £600 - £800

A VINTAGE BURMA NO HEAT RUBY AND DIAMOND BIRD BROOCH in yellow and white gold, designed as a cockatoo perched on a branch, the head pave set with round brilliant cut diamonds and a round cut ruby eye, the body set with oval cut rubies, the branch set

Estimate £3,000 - £5,000

A GEMSET GIARDINETTO BROOCH / PENDANT in 18ct yellow gold, designed as a basket of flowers set with cabochon amethysts, topaz, pink tourmalines, citrines and peridots, accented by round brilliant cut diamonds, stamped 750, 4.8cm, 17.8g.

Estimate £1,000 - £1,500

A VINTAGE DIAMOND BOW BROOCH in white gold, designed as a ribbon tied into a bow, set with baguette, round brilliant and single cut diamonds all totalling 7.5-8.0 carats, no assay marks, 4.5cm, 14.6g. 

Estimate £4,000 - £6,000

A VINTAGE MULTI GEM HARLEQUIN DOUBLE CLIP BROOCH in yellow gold, in an openwork design set with blue, yellow and pink sapphires, green and yellow zircons, spessartine garnets, cat's eye chrysoberyl, amethysts, and emeralds, the brooch detachable from

Estimate £5,000 - £7,000

A GEMSET GIARDINETTO BROOCH in 18ct white gold, modelled as plant in a stemmed pot, set with carved rubies, cabochon sapphires and emeralds and brilliant and baguette cut diamonds, indistinct assay mark, stamped 750, 3.3cm, 10.6g.

Estimate £3,000 - £5,000

A VINTAGE DIAMOND BROOCH, 1960S in platinum, designed as an abstract ribbon scroll of baguette diamonds, with three flowers set with marquise and round brilliant cut diamonds, the diamonds all totalling 10.0-12.0 carats, no assay marks, 6.0cm, 23.4g.

Estimate £6,000 - £8,000

AN ANTIQUE BELLE EPOQUE ONYX AND DIAMOND BROOCH in platinum, designed as two interlocking circles with foliate motifs set throughout with old and rose cut diamonds, accented by rows of calibre cut onyx, no assay marks, 4.5cm, 14.9g. 

Estimate £6,000 - £8,000

AN ANTIQUE DIAMOND SNOWFLAKE BROOCH / PENDANT in yellow gold and silver, designed as a snowflake, set with old cut diamonds and with detachable diamond set pendant loop, the diamonds all totalling 2.0-2.5 carats, no assay marks, 3.9cm, 10.6g. 

Estimate £1,500 - £2,500

A SYNTHETIC SAPPHIRE AND DIAMOND BAR BROOCH in yellow gold, set to the centre with a cushion cut synthetic sapphire, set to either side with a row of alternating round brilliant cut diamonds and round cut sapphires, no assay marks, 7.4cm, 9.5g. 

Estimate £1,000 - £1,500

A RUBY AND TSAVORITE GARNET STRAWBERRY BROOCH in 18ct yellow gold, designed as a strawberry set with round cut rubies, the stalk set with round cut tsavorite garnets, stamped 750, 3.5cm, 10.8g. 

Estimate £1,500 - £2,500

A RUBY, DIAMOND AND PLIQUE A JOUR DRAGONFLY BROOCH in 18ct yellow gold, designed as a dragonfly, the body set with oval and square step cut rubies, the eyes set with old cut diamonds, the wings decorated with green and yellow plique a jour enamel acc

Estimate £3,500 - £4,500

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 NATURAL PEARL, EMERALD AND DIAMOND BROOCH / PENDANT in yellow gold and silver, in scrolling openwork design, set to the centre with an octagonal step cut emerald of 4.00 carats, accented throughout with rose cut diamonds, suspending three natural p

Estimate £3,000 - £5,000

A DIAMOND, RUBY AND PLIQUE A JOUR ENAMEL FLOWER BROOCH in yellow gold, designed as an articulated flower, set with articulated round cut rubies and old cut diamonds, the petals decorated with red and yellow plique a jour enamel accented by single cut

Estimate £3,000 - £5,000

A SAPPHIRE, TSAVORITE GARNET AND DIAMOND BUTTERFLY BROOCH in 18ct yellow gold, designed as a butterfly, the body set with round brilliant cut brown and fancy coloured diamonds, the wings set with round cut sapphires assented by round and trillion cut

Estimate £5,500 - £6,500

A MULTIGEM SPRAY BROOCH designed as a bouquet of flowers, set with oval and pear cut amethyst, citrine, aquamarine, peridot and pink tourmaline and a spray of pearls, no assay marks, 5.8cm, 21.2g. 

Estimate £600 - £800

A DIAMOND SEA URCHIN BROOCH in 18ct yellow gold, designed as a sea urchin accented by a row of single cut diamonds, French assay marks, 5.0cm, 27.8g. 

Estimate £1,000 - £1,500

A RETRO RUBY AND DIAMOND CLIP BROOCH in yellow gold, set with old mine cut diamonds and carre cut rubies over a stylised design, no assay marks, 3.8cm, 17.9g.

Estimate £1,500 - £2,500

AN ANTIQUE RUBY, SAPPHIRE AND DIAMOND CLOVER BROOCH / PENDANT in 14ct rose gold, designed as a three leaf clover set with a central old mine cut diamond of approximately 1.20 carats, set throughout with old mine cut diamonds totalling 1.5-2.0 carats,

Estimate £3,000 - £5,000

A PEARL AND DIAMOND BROOCH in yellow gold, set with an old European cut diamond of approximately 0.30 carats, in a stylised design set throughout with pearls over a curved body, no assay marks, 4.8cm, 8.7g.

Estimate £600 - £800

A VINTAGE DIAMOND LILAC SPRAY BROOCH designed as a bouquet of lilacs tied with a bow, set with round brilliant and baguette cut diamonds all totalling 6.5-7.0 carats, signed HAB, no assay marks, 8.5cm, 29.7g.

Estimate £2,500 - £3,500

AN ANTIQUE GOLD DOG BAR BROOCH in 15ct yellow gold, designed as a golden retriever, stamped 15CT, 5.6cm, 10.0g. 

Estimate £400 - £600

A DIAMOND, RUBY AND ENAMEL SWALLOW BROOCH in yellow gold, designed as a swallow, set with single cut diamonds, the eyes set with cabochon rubies, the feathers decorated with blue enamel, no assay marks, 10.0cm, 17.3g. 

Estimate £2,500 - £3,500

AN ANTIQUE RUBY, PEARL AND AMETHYST CAMEO BROOCH in yellow gold, set with a carved amethyst cameo depicting the bust of a woman wearing a diamond set necklace, surrounded by a border of pearls and round cut rubies, no assay marks, 3.5cm, 12.2g.

Estimate £3,000 - £5,000

A VINTAGE SWISS ENAMEL BROOCH in yellow gold, comprising a Swiss enamel portrait of a girl in traditional dress, within an ornate gold frame, no assay marks, 5.0cm, 11.7g.

Estimate £500 - £700

AN ANTIQUE DIAMOND AND RUBY DOG BROOCH in yellow gold and silver, designed as a greyhound set throughout with rose cut diamonds, the eye set with a round cut ruby, no assay marks, 4.7cm, 4.2g. 

Estimate £250 - £350

AN ANTIQUE MICROMOSAIC BROOCH in yellow gold, comprising an oval blue glass inlaid with multicoloured pieces of glass to depict a vase of flowers, within an ornate foliate frame, no assay marks, 5.0cm, 17.5g. 

Estimate £800 - £1,200

A GEMSET FISH PENDANT NECKLACE in 18ct yellow gold, the pendant designed as a fish set throughout with round brilliant cut diamonds, round cut tsavorite garnets and round cut yellow sapphires, suspended from a trace chain, stamped 750, pendant 3.9cm,

Estimate £1,000 - £1,500

AN ANTIQUE CARVED RUBY AND DIAMOND BROOCH in yellow gold and silver, set with a carved Mughal ruby in a border of twisted wirework accented by rose cut diamonds, no assay marks, 2.2cm, 8.7g. 

Estimate £1,200 - £1,600

AN ANTIQUE ENAMEL AND HAIRWORK MOURNING BROOCH set with a glass locket panel containing hairwork in a border of black enamel, inscribed to the reverse 'Ia: Roberts Ob: 4 Feby 1804 At: 71', no assay marks, 1.8cm, 2.4g. 

Estimate £200 - £300