A BURMA NO HEAT RUBY AND DIAMOND PENDANT NECKLACE the pendant set with an oval cut ruby of 1.65 carats in a cluster of round brilliant and marquise cut diamonds, the diamonds all totalling 1.24 carats, inscribed 1.65 D1.24, suspended from a fancy lin

Estimate £3,000 - £5,000

A COLOMBIAN MINOR EMERALD AND DIAMOND PENDANT NECKLACE the pendant set with an octagonal step cut emerald of approximately 1.70 carats, suspending an old cut diamond and a further octagonal step cut emerald drop of approximately 3.50 carats, suspende

Estimate £12,000 - £16,000

A DIAMOND PENDANT NECKLACE the circular pendant comprising free moving variously cut diamonds within a glass locket, the diamonds all totalling 6.0-6.5 carats, suspended from a curb chain, stamped 750, pendant 2.8cm, chain 37.0cm, 9.6g.

Estimate £3,000 - £5,000

VAN CLEEF & ARPELS, A VINTAGE TWENTY MOTIF WHITE PORCELAIN DE SEVRES ALHAMBRA NECKLACE in 18ct yellow gold, comprising twenty quatrefoil motifs set with white porcelain, signed VCA and numbered, Georges Richards & Wildenstein maker's mark, French ass

Estimate £20,000 - £30,000

A DIAMOND NECKLACE comprising a row of hexagonal links set with round brilliant cut diamonds, punctuated by further diamonds, the diamonds all totalling 5.93 carats, stamped 18K, 42.0cm, 27.8g. 

Estimate £3,500 - £4,500

AN ANTIQUE RENAISSANCE REVIVAL RUBY, TURQUOISE, PEARL AND ENAMEL PENDANT NECKLACE in yellow gold, comprising a fancy link chain set with cushion cut rubies in borders of black and white dotted enamel, cabochon green turquoise and pearl set flowers wi

Estimate £8,000 - £12,000

MARINA B, A DIAMOND TRISOLINA EVIL EYE COLLAR NECKLACE comprising three rows of tubogas links with an evil eye motif set with round brilliant cut diamonds, signed Marina B and numbered, stamped Au750 with titanium and silver core, 36.0cm, 124.3g. Cur

Estimate £12,000 - £16,000

ELSA PERETTI FOR TIFFANY & CO., A STARFISH PENDANT NECKLACE the pendant designed as a starfish, suspended from a trace chain, signed Peretti and Tiffany & Co., stamped 750, pendant 4.0cm, chain 41.0cm, 9.3g. 

Estimate £1,500 - £2,500

AN AQUAMARINE AND DIAMOND NECKLACE set with octagonal step cut aquamarines in clusters of round brilliant cut diamonds, accented by scrolling motifs set with baguette cut diamonds and a row of round brilliant cut diamonds, the diamonds all totalling

Estimate £10,000 - £15,000

JEAN SCHLUMBERGER FOR TIFFANY & CO., A GOLD NECKLACE comprising a row of open circular links accented by kiss motifs, signed Tiffany & Co., signed Schlumberger, stamped 18K, 71.0cm, 148.6g. 

Estimate £10,000 - £15,000

AN OPAL, EMERALD AND DIAMOND PENDANT NECKLACE comprising a row of round brilliant cut diamonds, suspending a pendant set with a cabochon opal of 58.87 carats in a border of round cut emeralds and further diamonds, the diamonds all totalling 5.17 cara

Estimate £8,000 - £12,000

A VINTAGE LAPIS LAZULI AND DIAMOND PENDANT NECKLACE, 1970S comprising a row of openwork links set with round brilliant and baguette cut diamonds, suspending a polished hexagonal lapis lazuli pendant in a border of further round brilliant and tapered

Estimate £25,000 - £30,000

ELSA PERETTI FOR TIFFANY & CO., A MESH SCARF NECKLACE in silver, comprising rows of woven trace chains, signed Tiffany & Co., signed Peretti, stamped STERLING, 125.0cm, 137.0g. 

Estimate £800 - £1,200

AN ANTIQUE PERSIAN JADE, RUBY, EMERALD AND PEARL PENDANT NECKLACE the Persian jade pendant inlaid with round cabochon rubies and emeralds in floral design, suspended from three trace chains set with emerald and ruby beads and pearls, no assay marks,

Estimate £5,000 - £7,000

A TWO ROW PEARL NECKLACE WITH A VAN CLEEF & ARPELS DIAMOND CLASP in platinum and 18ct gold, comprising two rows of pearls, the clasp set with a baguette cut diamond and four transitional cut diamonds, clasp signed VCA and numbered, French assay marks

Estimate £4,000 - £6,000

BULGARI, A LAVA CAMEO AND DIAMOND PENDANT NECKLACE the pendant set with a carved lava cameo depicting the bust of Zeus in a border of round brilliant cut diamonds and rope work, suspended from a curb chain, signed Bvlgari, stamped 750, pendant 3.5cm,

Estimate £6,000 - £8,000

A CONCH PEARL AND DIAMOND PENDANT NECKLACE the pendant set with a conch pearl of approximately 7.5mm in a frame of rose cut diamonds, suspended from a trace chain accented by two round brilliant cut diamonds, stamped 18K, pendant 2.5cm, chain 46.0cm,

Estimate £3,000 - £5,000

A DIAMOND NECKLACE 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

AN EMERALD AND DIAMOND NECKLACE comprising a row of circular links, suspending a geometric pendant set with rectangular step cut emeralds, accented by round brilliant cut diamonds, the emeralds all totalling 34.65 carats, no assay marks, 47.0cm, 67.0

Estimate £20,000 - £30,000

ALEXIS NY, A DIAMOND, EMERALD AND ENAMEL SNAKE NECKLACE the snake comprising a row of articulated links decorated with black enamel, the head and tail set with round brilliant cut diamonds, the eyes set with marquise cut emeralds, inscribed D1.20 E0.

Estimate £4,000 - £6,000

ASPREY, A MULTIGEM FLORAL PENDANT NECKLACE the circular pendant in floral design set with marquise cut peridots, amethysts, citrines, pink tourmalines and blue topaz, accented by round brilliant cut diamonds, suspended from a fancy link chain, signed

Estimate £1,500 - £2,500

JACOB & CO., A DIAMOND PENDANT NECKLACE the openwork pendant set throughout with round brilliant cut diamonds, the diamonds all totalling 5.2-5.4 carats, suspended from a trace chain, signed Jacob & Co. and numbered, stamped 750, pendant 7.7cm, chain

Estimate £4,000 - £6,000

A MULTIGEM AND ENAMEL PENDANT NECKLACE the detachable brooch / pendant set with a fancy cut citrine, oval cut lemon beryl, round brilliant cut diamonds and pearls, accented by orange enamel, suspended from a trace chain, chain signed Valente, chain s

Estimate £2,000 - £3,000

PALOMA PICASSO FOR TIFFANY & CO., A DIAMOND NECKLACE, 1980 comprising rows of fancy link chain, accented by caps set with round brilliant cut diamonds, signed Paloma Picasso, signed Tiffany & Co. 1980, stamped 18K IRID PLAT, 40.0cm, 133.8g. 

Estimate £10,000 - £15,000

AN ANTIQUE CORAL AND DIAMOND PENDANT NECKLACE, EARLY 20TH CENTURY in platinum, the pendant designed as a series of bow motifs set with single cut diamonds, suspending a coral drop carved to depict two birds amongst foliage, suspended from a chain, Fr

Estimate £2,000 - £3,000

A KUNZITE AND DIAMOND PENDANT NECKLACE the pendant set with an octagonal step cut kunzite of 25.12 carats within two rows of round brilliant cut diamonds, accented by two baguette cut diamonds, suspended from a trace chain set with four round brillia

Estimate £3,000 - £5,000

A CONVERTIBLE SAPPHIRE AND DIAMOND NECKLACE / PAIR OF CLIP BROOCHES comprising five rows of polished sapphire beads, accented by two detachable openwork clips set with round cut diamonds, the sapphires all totalling 400.00 - 450.00 carats, stamped 14

Estimate £6,000 - £8,000

LALAOUNIS, A COLLAR NECKLACE comprising a row of fancy links designed as stylised ram's horns, signed ilias LALAoUNIS, stamped 750, 41.0cm, 102.0g. 

Estimate £7,000 - £9,000

A GREEN TOURMALINE AND DIAMOND NECKLACE set with a cushion cut green tourmaline of approximately 5.64 carats accented by round brilliant cut diamonds, suspended from a flat link chain, stamped K18 750, 37.5cm, 22.0g. 

Estimate £1,800 - £2,200

A DIAMOND AND TSAVORITE SNAKE NECKLACE the body comprising scales set with tapered baguette and round brilliant cut diamonds, the head set with round brilliant cut diamonds and pear cut tsavorite garnet eyes, the diamonds all totalling 21.55 carats,

Estimate £18,000 - £22,000

A CHINESE CARVED JADEITE JADE, PEARL AND GOLD BEAD NECKLACE comprising Chinese carved jadeite jade beads spaced by textured gold beads, the clasp accented by pearls, beads unmarked, replacement clasp stamped 14K, 71.0cm, 188.7g. 

Estimate £8,000 - £12,000