AN AQUAMARINE AND SAPPHIRE PENDANT NECKLACE set with a round cut sapphire in a cluster of three oval cut aquamarines, suspended from a trace chain, inscribed 10.61ct 0.28ct, stamped Au750, pendant 2.0cm, chain 40.0cm, 5.0g. 

Estimate £500 - £700

AN ANTIQUE GEMSET HARLEQUIN NECKLACE in 9ct yellow gold, comprising a trace chain set with variously cut emeralds, blue, yellow and pink sapphires, pink tourmalines, sodalite, chalcedony, turquoise, citrines, garnets, peridots, carnelian and amethyst

Estimate £2,000 - £3,000

AN ANTIQUE AQUAMARINE AND AMETHYST FESTOON NECKLACE in 9ct yellow gold, comprising a row of cushion cut aquamarines, suspending a swag chain set with oval cut amethysts and a further cushion cut aquamarine with a pear cut amethyst drop, stamped 9C, 4

Estimate £1,500 - £2,500

A SAPPHIRE AND DIAMOND PENDANT NECKLACE the pendant set with single and baguette cut diamonds, suspending a pear cut sapphire drop of approximately 1.94 carats, suspended from a trace chain, stamped 950Pt, pendant 3.5cm, chain 41.0cm, 4.4g. 

Estimate £2,500 - £3,500

A DIAMOND HEART PENDANT NECKLACE the pendant designed as a heart set with round brilliant cut diamonds, suspended from a curb chain, stamped 750, pendant 1.4cm, chain 40.0cm, 3.1g. 

Estimate £400 - £600

AN OPAL AND DIAMOND NECKLACE comprising a row of twenty rose cut opals in borders of round brilliant cut diamonds, accented by further diamonds, no assay marks, 56.0cm, 40.0g. 

Estimate £500 - £700

A PERIDOT AND PEARL CHAIN NECKLACE designed as a series of belcher style links formed of faceted peridot and pearls, no assay marks, 86.0cm, 281.8g.

Estimate £1,500 - £2,500

YVEL, A SAPPHIRE NECKLACE designed as a series of graduated links, bezel set with fancy shaped faceted sapphires, the sapphires all totalling approximately 300.0-320.0 carats, signed Yvel, stamped 750, 43.0cm, 92.5g.

Estimate £2,500 - £3,500

AN ANTIQUE EDWARDIAN RUBY, DIAMOND AND PEARL NECKLACE the openwork pendant set with rose cut diamonds, calibre cut rubies and pearls, suspended from a curb chain, pendant stamped 18, 38.0cm, 12.1g. 

Estimate £2,500 - £3,500

AN ANTIQUE GARNET AND PERIDOT NECKLACE in yellow gold, comprising a row of alternating round cut garnets and oval cut peridots, suspending further round cut garnet and oval cut peridot drops, suspended from a trace chain, no assay marks, 38.0cm, 11.4

Estimate £1,200 - £1,600

AN AQUAMARINE SAUTOIR NECKLACE comprising a single row of graduated oval cut aquamarines and one cushion cut aquamarine, the aquamarines all totalling approximately 200.0-220.0 carats, stamped 585, 122.0cm, 54.6g.

Estimate £6,500 - £7,500

AN ANTIQUE TURQUOISE AND DIAMOND SNAKE NECKLACE in yellow gold, designed as an ouroboros, the head set with round cabochon turquoise, the eyes set with rose cut diamonds, suspending a heart shaped pendant set with a rose cut diamond in a cluster of r

Estimate £2,500 - £3,500

A GARNET CHAIN NECKLACE the trace chain set with oval cut garnets, stamped 14K, 45.5cm, 3.9g.

Estimate £250 - £350

A DIAMOND FLOWER NECKLACE designed as a series of yellow gold spines with white gold beads, accented by flower motifs set with round brilliant cut diamonds and further round brilliant cut diamonds, the diamonds all totalling 10.0-12.0 carats, no assa

Estimate £6,000 - £8,000

AN ANTIQUE GREEN PASTE RIVIERE NECKLACE in yellow gold, comprising a row of graduating oval cut green paste stones, no assay marks, 38.0cm, 23.4g.

Estimate £600 - £800

AN EMERALD AND DIAMOND PENDANT NECKLACE 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 round cut diamond, c

Estimate £3,500 - £4,500

A DIAMOND AND PEARL NECKLACE the pendant reverse set with an oval cut diamond of approximately 10.02 carats in an openwork surround set with further old cut diamonds suspending a pearl of 11.9mm, suspended from a fancy link chain, no assay marks, pen

Estimate £20,000 - £30,000

AN AQUAMARINE AND DIAMOND PENDANT NECKLACE comprising an oval cut aquamarine accented by rose cut diamonds, suspending a row of rose cut diamonds and a pear cut aquamarine drop, suspended from a curb chain, the aquamarines totalling 7.9-8.1 carats, n

Estimate £1,200 - £1,600

AN ART DECO ONYX, RUBY AND DIAMOND PENDANT NECKLACE in white gold and platinum, the openwork pendant set with an oval polished onyx set with a marquise cut diamond of approximately 0.58 carats, accented by further polished onyx, oval and round caboch

Estimate £4,000 - £6,000

AN ANTIQUE TURQUOISE SWAG NECKLACE in 18ct yellow gold, comprising a trace chain suspending five oval cabochon turquoise drops and a swag chain, stamped 18, 36.0cm, 6.7g. 

Estimate £400 - £600

AN ANTIQUE PERIDOT, PINK TOURMALINE AND DIAMOND PENDANT NECKLACE in yellow gold and silver, the pendant set with a hexagonal step cut pink tourmaline accented by old cut diamonds, suspending a baroque pearl drop, the trace chain set with a lozenge an

Estimate £800 - £1,200

A MULTICOLOUR SAPPHIRE AND DIAMOND PENDANT NECKLACE the pendant set with an oval cut sapphire, oval cut pink sapphire, pear cut yellow sapphire and round brilliant cut yellow diamond, suspended from a curb chain, chain stamped AU750, pendant 1.7cm, c

Estimate £800 - £1,200

A DIAMOND PENDANT NECKLACE the pendant set with a round brilliant cut diamond of 1.01 carats in a border of round brilliant cut diamonds, suspended from a curb chain, pendant stamped PT950, chain stamped 925, pendant 1.7cm, chain 46.0cm, 3.5g. 

Estimate £1,500 - £2,500

A SAPPHIRE AND DIAMOND CROSS PENDANT NECKLACE the cross pendant set with invisibly set French cut sapphires, accented by round brilliant cut diamonds, suspended from a trace chain, chain stamped 750, pendant 5.0cm, chain 43.0cm, 7.2g. 

Estimate £2,000 - £3,000

A VINTAGE GOLD CHAIN NECKLACE in 18ct yellow gold, comprising a row of fancy links, stamped 750, 100.0cm, 38.8g.

Estimate £2,000 - £3,000

AN ANTIQUE PEARL FRINGE NECKLACE in yellow gold, comprising a row of pearls accented by scallop motifs and a graduating fringe set with further pearls, no assay marks, 37.5cm, 18.9g. 

Estimate £1,500 - £2,500

AN ANTIQUE CITRINE RIVIERE NECKLACE in yellow gold, comprising a row of graduating oval cut citrines, no assay marks, 40.5cm, 61.4g. 

Estimate £4,000 - £6,000

A RUBY AND DIAMOND CLUSTER RIVIERE NECKLACE comprising a single row of graduated links, each set with a round cut ruby in a border of round cut diamonds, the rubies all totalling 11.0-12.0 carats, the diamonds all totalling 4.0-4.5 carats, no assay m

Estimate £3,000 - £5,000

AN AQUAMARINE, SAPPHIRE AND DIAMOND PENDANT NECKLACE the pendant set with an octagonal step cut aquamarine of 28.27 carats in a border of round cut sapphires and round cut diamonds, suspended from a trace chain, inscribed 28.27ct 2.18ct d0.20ct, stam

Estimate £2,000 - £3,000

AN ANTIQUE PERIDOT AND DIAMOND PENDANT NECKLACE in yellow gold, the pendant set with two round peridot, suspending a twisted row of old cut diamonds terminating in two faceted peridot drops, suspended from a trace chain, chain stamped 9C, pendant 5.3

Estimate £800 - £1,200

A DIAMOND LEAF NECKLACE the flexible gold collar set with three leaves, each leaf set to the centre with a round brilliant cut diamond, the diamonds totalling 1.2-1.5 carats, stamped Italy 14K, 45.0cm, 59.1g. 

Estimate £4,000 - £6,000

A DIAMOND CROSS PENDANT NECKLACE the cross pendant set with round brilliant and baguette cut diamonds, suspended from a trace chain, chain stamped 750, pendant 3.3cm, chain 46.0cm, 7.3g. 

Estimate £1,500 - £2,500

AN EMERALD AND DIAMOND HEART PENDANT NECKLACE the pendant designed as a heart, set with round cut diamonds, suspended from a fine belcher chain accented by round cut diamonds, stamped 750, pendant 3.1cm, chain 44.0cm, 7.4g.

Estimate £1,500 - £2,500

A SAPPHIRE AND DIAMOND CROSS PENDANT NECKLACE the cross pendant invisibly set with French cut sapphires and accented by round brilliant cut diamonds, suspended from a trace chain, chain stamped 750, 43.0cm, 7.8g. 

Estimate £1,500 - £2,500

A DIAMOND PENDANT NECKLACE the pendant set with a cluster of round brilliant cut diamonds, suspended from a trace chain, stamped 10K, pendant 1.0cm, chain 46.0cm, 1.8g. 

Estimate £400 - £600

AN ANTIQUE GOLD NECKLACE in 15ct yellow gold, comprising a row of fancy links accented by beads, stamped 585, 47.0cm, 18.9g. 

Estimate £1,000 - £1,500

AN ANTIQUE AMETHYST RIVIERE NECKLACE in yellow gold, set with a row of graduated oval cut amethysts accented by scrolling links, no assay marks, 42.0cm, 90.8g. 

Estimate £4,000 - £6,000

AN ANTIQUE ART NOUVEAU SAPPHIRE, PEARL, DIAMOND AND ENAMEL PENDANT NECKLACE in yellow gold, the pendant decorated with blue, green, pink and purple enamel set with a pear cut sapphire and rose cut diamonds suspending a pearl drop, suspended from a tr

Estimate £1,200 - £1,600

A RUBY AND DIAMOND PENDANT NECKLACE in white and yellow gold, the openwork foliate style pendant set with old and rose cut diamonds and a round cut ruby, suspending a cushion cut ruby drop, suspended from a curb chain accented by beads, chain stamped

Estimate £800 - £1,200

AN ART DECO DIAMOND PENDANT NECKLACE in platinum, the pendant set with a pear shaped old cut diamond of approximately 1.52 carats, suspended within a frame of old and single cut diamonds, the diamonds all totalling 3.2-3.4 carats, suspended from a tr

Estimate £6,000 - £8,000

AN ANTIQUE DIAMOND FRINGE NECKLACE comprising a graduating fringe set with old and rose cut diamonds suspended from a later trace chain, no assay marks, 42.0cm, 20.0g. 

Estimate £3,000 - £5,000