AN ANTIQUE PINK TOURMALINE, PERIDOT AND AQUAMARINE FRINGE NECKLACE in 15ct yellow gold, the chain set with a fringe of round, oval and cushion cut pink tourmalines, peridots and aquamarines, stamped 15CT, 39.0cm, 11.4g. Accompanied by an antique Carr

Estimate £2,500 - £3,500

AN OPAL AND DIAMOND PENDANT NECKLACE set with an old cut diamond suspending a tapering link set with further diamonds and a cabochon opal drop of approximately 7.00 carats, chain stamped 585, pendant 4.7cm, chain 46.0cm, 5.3g. 

Estimate £4,000 - £6,000

A DIAMOND HEART PENDANT NECKLACE in yellow and white gold, the pendant designed as a heart set throughout with old and rose cut diamonds, suspended from a trace chain, chain stamped 9CT, pendant 2.2cm, chain 41.0cm, 4.7g. 

Estimate £2,000 - £3,000

A PINK SAPPHIRE AND DIAMOND CRESCENT MOON NECKLACE in rose gold, the pendant designed as a crescent moon set with round cut pink sapphires and round brilliant cut diamonds, suspended from a trace chain, chain stamped 585, pendant 2.5cm, chain 46.0cm,

Estimate £700 - £900

A DIAMOND PENDANT NECKLACE in 18ct yellow gold, the stylised pendant set with princess and round brilliant cut diamonds, suspended from a double trace chain, stamped 750, pendant 3.0cm, chain 41.0cm, 24.1g. 

Estimate £1,500 - £2,500

AN ANTIQUE ROCK CRYSTAL NECKLACE in yellow gold, comprising two rows of trace chains set with seven cushion cut rock crystals, no assay marks, 39.0cm, 22.6g. Accompanied by a fitted Collingwood jewellery box. 

Estimate £1,500 - £2,500

BOUCHERON, A SAPPHIRE AND DIAMOND NECKLACE in 18ct yellow gold, set with three cabochon sapphires accented by round brilliant cut diamonds, suspended from a curb chain, signed Boucheron and numbered, stamped OR 750, 40.0cm, 21.4g. 

Estimate £1,500 - £2,500

A COLOMBIAN EMERALD AND DIAMOND PENDANT NECKLACE in yellow gold, the pendant set with an oval cut emerald of 6.76 carats in a cluster of round brilliant cut diamonds, the diamonds all totalling 3.3-3.5 carats, suspended from a curb chain, chain stamp

Estimate £15,000 - £20,000

A DIAMOND PENDANT NECKLACE in 18ct white gold, set with a central marquise cut diamond of 0.80 carats in a border of round brilliant cut diamonds, suspended from a trace chain, stamped 750, 46.0cm, 4.5g. 

Estimate £2,500 - £3,500

A PEARL AND ENAMEL NECKLACE in yellow gold, comprising a row of alternating pearls and batons decorated with green enamel, no assay marks, 85.0cm, 20.7g. 

Estimate £1,500 - £2,500

AN ANTIQUE SEED PEARL AND DIAMOND TASSEL NECKLACE comprising a twisted chain of seed pearls terminating at each end with a tassel of further seed pearls, accented by rose cut diamonds, no assay marks, 133.0cm, 74.3g. 

Estimate £5,000 - £7,000

A DIAMOND RIVIERE NECKLACE in 18ct white gold, comprising a row of graduated round brilliant cut diamonds, the diamonds all totalling 6.0-6.2 carats, stamped 750, 33.5cm, 16.6g. 

Estimate £4,500 - £5,500

A THREE ROW PEARL AND DIAMOND NECKLACE in 18ct yellow gold, comprising three rows of pearls, the clasp set with round brilliant cut diamonds, D&D maker's mark, full British hallmarks, 39.0cm, 87.4g. 

Estimate £800 - £1,200

AN ANTIQUE HESSONITE GARNET AND DIAMOND PENDANT NECKLACE in yellow gold and silver, the pendant set with a cushion cut hessonite garnet of approximately 5.31 carats in a cluster of old cut diamonds, suspended from a trace chain, no assay marks, penda

Estimate £1,500 - £2,500

AN ANTIQUE TOPAZ, PERIDOT AND AQUAMARINE FRINGE NECKLACE in yellow gold, the trace chain set with round cut topaz and peridot, suspending a fringe of round, cushion, pear and octagonal step cut peridots and topaz, accented by round cut aquamarines, m

Estimate £3,000 - £5,000

A PEARL, RUBY AND DIAMOND CHOKER NECKLACE in 18ct yellow gold and platinum, in lattice design set with pearls, accented by clusters of round cut rubies and round brilliant cut diamonds, stamped OR750 PT950, French import marks, 33.0cm, 55.2g. 

Estimate £3,500 - £4,500

A MULTIGEM AND DIAMOND NECKLACE in 18ct yellow gold, set with varicoloured tourmalines and quartz, amethysts, citrine, aquamarines and round brilliant cut diamonds, the diamonds all totalling 1.8-2.2 carats, stamped 750, 41.0cm, 87.5g. 

Estimate £5,000 - £7,000

A DIAMOND LINE NECKLACE in platinum, comprising a graduated row of round brilliant cut diamonds all totalling 10.0-12.0 carats, stamped PLAT, 42.0cm, 30.2g. 

Estimate £8,000 - £12,000

AN AQUAMARINE AND DIAMOND PENDANT NECKLACE in platinum and silver, the pendant set with an octagonal step cut aquamarine of approximately 6.72 carats accented by single cut diamonds, suspended from a silver trace chain, no assay marks, pendant 3.0cm,

Estimate £1,000 - £1,500

A DIAMOND RIVIERE NECKLACE in 18ct white gold, comprising a row of round brilliant cut diamonds, the diamonds all totalling 16.30 carats, inscribed 77/16.30ct, stamped 18K, 44.0cm, 35.4g. 

Estimate £10,000 - £15,000

A PERIDOT NECKLACE / PAIR OF BRACELETS in 15ct yellow and white gold, the necklace comprising a row of octagonal step cut peridots in openwork scrolling borders, detachable to form two bracelets, stamped 15, necklace 41.0cm, bracelets 21.0cm and 20.0

Estimate £4,000 - £6,000

A RUBY, ORANGE SAPPHIRE, DIAMOND AND PEARL BIRD PENDANT NECKLACE in yellow gold, designed as a bird, set with single cut diamonds, calibre cut rubies and orange sapphires, suspended from a trace chain accented by pearls, no assay marks, pendant 4.0cm

Estimate £1,500 - £2,500

A BLUE ZIRCON NECKLACE in silver, comprising a row of round cut blue zircon, suspending a round cut blue zircon drop, no assay marks, 47.5cm, 23.4g. 

Estimate £2,000 - £3,000

AN ANTIQUE ART DECO NATURAL SALTWATER PEARL, DIAMOND AND ENAMEL PENDANT NECKLACE comprising geometric links set with single cut diamonds, suspending a pearl drop of 8.9mm, accented by black enamel, suspended from a trace chain, no assay marks, pendan

Estimate £3,000 - £5,000

AN ANTIQUE DIAMOND AND PEARL NECKLACE the chain suspending a scrolling pendant set with old cut diamonds and pearls, suspending swag chains set with further diamonds and pearls, the diamonds all totalling 2.5-3.0 carats, no assay marks, pendant 5.0cm

Estimate £4,000 - £6,000

AN ANTIQUE DIAMOND AND PEARL BROOCH / PENDANT NECKLACE the detachable openwork scrolling brooch / pendant set with pearls and old and rose cut diamonds, suspending an articulated pearl drop, suspended from a fancy link chain, no assay marks, pendant

Estimate £2,500 - £3,500

A SAPPHIRE FANCY LINK NECKLACE in 9ct yellow gold, comprising a fancy link chain, the clasp set with a round cabochon sapphire, stamped 375, 46.0cm, 65.3g. 

Estimate £1,500 - £2,500

A DIAMOND LINE NECKLACE in 18ct white gold, comprising a row of round brilliant cut diamonds, the clasp pave set with round brilliant cut yellow diamonds, stamped 750, 49.5cm, 22.6g.

Estimate £1,000 - £1,500

AN ANTIQUE MOTHER OF PEARL AND DIAMOND PENDANT NECKLACE in yellow and white gold and silver, the pendant comprising a polished mother of pearl disc in a cluster of old cut diamonds, inscribed 'P' to the reverse, suspended from a later trace chain, ne

Estimate £1,500 - £2,500

A FANCY ORANGE DIAMOND HEART PENDANT NECKLACE set with a heart shaped fancy orangy yellow diamond of 1.02 carats in a border of round brilliant cut diamonds, suspended from a trace chain, no assay marks, pendant 1.3cm, chain 41.0cm, 4.3g. Accompanied

Estimate £3,000 - £5,000

A MULTICOLOUR SAPPHIRE LINE NECKLACE in 18ct white gold, set with a row of round cut orange, yellow, green, blue, pink and purple sapphires, stamped 750, 42.5cm, 15.2g. 

Estimate £1,500 - £2,500

AN ANTIQUE SEED PEARL AND JET TASSEL NECKLACE comprising a twisted chain of seed pearls terminating at each end with a tassel of further seed pearls accented by a polished jet bead, no assay marks, 142.0cm, 23.4g.

Estimate £2,000 - £3,000

A MOONSTONE, SAPPHIRE AND DEMANTOID GARNET PENDANT NECKLACE in yellow gold, the openwork foliate style pendant set with cabochon moonstones, cabochon sapphires and round cut demantoid garnets, suspending three articulated drops set with further caboc

Estimate £3,000 - £5,000

A CITRINE, DIAMOND AND PEARL BROOCH / PENDANT NECKLACE in platinum and white gold, the brooch / pendant set with a fancy cut citrine accented by rose cut diamonds and a pearl drop, suspended from a trace chain, chain stamped 950, brooch / pendant 3.0

Estimate £1,000 - £1,500

A HOWLITE BEAD NECKLACE comprising three rows of polished howlite beads, the clasp set with old cut paste stones, no assay marks, shortest row 42.0cm, 284.8g. 

Estimate £1,500 - £2,500

A NATURAL SALTWATER PEARL AND DIAMOND PENDANT NECKLACE in white gold, the pendant comprising a row of links set with round brilliant, baguette and single cut diamonds, suspending a pearl drop of 9.8mm, suspended from a trace chain, no assay marks, pe

Estimate £1,200 - £1,600

AN EMERALD AND DIAMOND NECKLACE in 18ct yellow gold, set with a round cut emerald accented by baguette cut diamonds, suspended from a flat curb link chain, the clasp set with round brilliant cut diamonds, stamped 750, pendant 3.0cm, chain 44.0cm, 9.0

Estimate £1,500 - £2,500

A FANCY COLOURED DIAMOND PENDANT NECKLACE / BROOCH in platinum and gold, comprising a pendant suspended from a princess cut pink diamond, in a floral design set with a transitional cut diamond of approximately 0.80 carats and a marquise cut yellow di

Estimate £5,000 - £7,000

AN EMERALD AND DIAMOND PENDANT NECKLACE in yellow gold, comprising a row of polished emerald beads, suspending three oval and round cabochon emeralds accented by old cut diamonds, the emeralds all totalling 35.0-40.0 carats, the clasp set with a roun

Estimate £5,000 - £7,000

A DIAMOND NECKLACE in white gold, comprising a row of alternating foliate and openwork links, set throughout with old European and round brilliant cut diamonds all totalling 16.0-18.0 carats, no assay marks, 41.0cm, 49.4g. 

Estimate £10,000 - £15,000