BULGARI, A DIAMOND AND EMERALD RING in 18ct yellow gold, set with an oval brilliant cut diamond of approximately 0.60 carats between two pear cut emeralds, signed Bvlgari, London import marks, size L1/2 / 6, 14.5g. 

Estimate £2,000 - £3,000

VAN CLEEF & ARPELS, A VINTAGE HEART PENDANT NECKLACE in 18ct yellow gold, the pendant designed as an openwork heart, suspended from a trace chain, signed VCA and numbered, French assay marks, pendant 1.8cm, chain 41.0cm, 13.7g. 

Estimate £1,800 - £2,200

CARTIER, A DIAMOND JUSTE UN CLOU BANGLE in 18ct yellow gold, the hinged bangle designed as a bent nail pave set with round brilliant cut diamonds, the diamonds all totalling 2.26 carats, signed Cartier and numbered, Cartier maker's mark, stamped AU75

Estimate £25,000 - £30,000

CARTIER, A VINTAGE EMERALD AND ONYX DOUBLE PANTHERE RING in 18ct yellow gold, designed as two coiled panthers, the eyes set with round cut emeralds, the noses set with polished onyx, signed Cartier and numbered, stamped 750, size J1/2 / 5, 14.2g. Acc

Estimate £3,500 - £4,500

CARTIER, A PAIR OF VINTAGE EMERALD AND ONYX PANTHERE EARRINGS in 18ct yellow gold, each designed as a panther, the eyes set with pear cut emeralds, the noses set with polished onyx, signed Cartier and numbered, stamped 750, Swiss assay marks, 1.9cm,

Estimate £3,000 - £5,000

STEPHEN WEBSTER, A PAIR OF SYNTHETIC OPAL, ROCK CRYSTAL AND DIAMOND CRYSTAL HAZE SHARD THREESOME EARRINGS in 18ct yellow gold, each comprising a hoop set with baguette cut diamonds, suspending two detachable drops set with a slice of synthetic opal t

Estimate £4,000 - £6,000

A 3.92 CARAT DIAMOND LINE BRACELET comprising a row of sixty one round brilliant cut diamonds, the diamonds totalling 3.92 carats, stamped 750, 18.0cm, 8.2g. 

Estimate £2,500 - £3,500

A 2.56 CARAT SOLITAIRE DIAMOND RING in 18ct yellow gold, set with an old cut diamond of 2.56 carats, partial British hallmarks, size P / 7.5, 5.2g. 

Estimate £4,500 - £5,500

TIFFANY & CO., A VINTAGE SAPPHIRE AND DIAMOND SEA URCHIN BROOCH in 18ct yellow gold, the domed brooch designed as a sea urchin, accented by a round brilliant cut diamond in a cluster of round cut sapphires, signed Tiffany & Co., stamped 18K, 2.8cm, 1

Estimate £1,000 - £1,500

VAN CLEEF & ARPELS, A VINTAGE LAPIS LAZULI AND DIAMOND DRESS RING in 18ct yellow gold, set with alternating sections of polished lapis lazuli and pave set round brilliant cut diamonds, signed VCA France, maker's mark, French assay marks, size M / 6.2

Estimate £5,000 - £7,000

A FRENCH ART DECO DIAMOND PLAQUE  BROOCH in platinum, the openwork geometric brooch set to the centre with a transitional cut diamond of approximately 0.80 carats accented by baguette and bullet shaped diamonds, accented throughout with further trans

Estimate £5,000 - £7,000

A DIAMOND AND RUBY MARQUISE RING set with a marquise cut diamond of approximately 1.40 carats in a border of calibre cut rubies, the shoulders set with round brilliant cut diamonds, no assay marks, size K / 5.25, 4.5g. 

Estimate £3,000 - £5,000

A RUBY, EMERALD, SAPPHIRE AND DIAMOND TUTTI FRUTTI BRACELET in platinum, of strap design, set with Mughal carved rubies, emeralds and sapphires, in the form of leaves, accented throughout with round brilliant cut diamonds, stamped PLAT, 17.5cm, 36.2g

Estimate £5,000 - £7,000

A FANCY DEEP BROWNISH YELLOW DIAMOND AND WHITE DIAMOND RING set with a round brilliant cut fancy deep brownish yellow diamond of 3.00 carats, accented on each side by a bullet cut diamond, the diamonds both totalling 0.43 carats, stamped PT, size N /

Estimate £4,000 - £6,000

A FINE 35.00 CARAT DIAMOND RIVIERE NECKLACE comprising a row of sixty five round brilliant cut diamonds, the diamonds all totalling approximately 35.00 carats, no assay marks, 38.0cm, 39.0g. 

Estimate £40,000 - £60,000

TIFFANY & CO., A DIAMOND ETOILE RING the wide band set with round brilliant cut diamonds, signed T&Co, stamped 750 PT950, size S / 9.25, 11.9g. 

Estimate £1,200 - £1,600

CARTIER, A WIDE LOVE CUFF BANGLE in 18ct yellow gold, the wide hinged bangle with three screw head motifs to the clasp, signed Cartier and numbered, French assay marks, stamped 750, inner circumference 16.0cm, 150.7g. 

Estimate £20,000 - £25,000

BOUCHERON, A VINTAGE TIGER'S EYE RING AND EARRINGS SUITE in 18ct yellow gold, each set with a polished tiger's eye sphere in a stylised gold mount, signed Boucheron Paris, French assay marks, earrings 2.5cm, ring size K1/2 / 5.5, total weight 23.5g. 

Estimate £2,500 - £3,500

BUCCELLATI, A DIAMOND BAND RING set with two rows of round brilliant cut diamonds, the band with rigatto engraving, signed M. Buccellati, stamped 750, size M / 6.25, 5.9g. 

Estimate £5,000 - £7,000

WANDER FRANCE, A PAIR OF DIAMOND AND PEARL DROP EARRINGS the stylised tops comprising textured segments with floral designs and segments pave set with round brilliant cut diamonds, suspending a pearl drop accented by further round brilliant cut diamo

Estimate £4,000 - £6,000

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut sapphire of 2.87 carats in a cluster of round brilliant cut diamonds, the diamonds all totalling 2.8-3.0 carats, London import marks, size P1/2 / 7.75, 6.4g. 

Estimate £3,000 - £5,000

TIFFANY & CO., A HEART TAG BRACELET the trace link bracelet suspending a heart-shaped tag, signed Tiffany & Co., stamped 750, 19.0cm, 28.6g.

Estimate £2,000 - £3,000

TIFFANY & CO., A DIAMOND KEY PENDANT NECKLACE the pendant designed as a key with an openwork heart, set with a round brilliant cut diamond, suspended from a trace chain, signed Tiffany & Co., stamped AU750, pendant 4.5cm, chain 45.0cm, 5.6g.

Estimate £600 - £800

BULGARI, A MULTI GEM FLOWER CONTRAIRE DRESS RING in crossover design, one end designed as a flower set with a round brilliant cut diamond in a cluster of pear cut pink, purple, green and orange sapphires, the other end set with a pearl of 9.7mm, the

Estimate £4,000 - £6,000

A 9.83 CARAT DIAMOND LINE BRACELET comprising a row of thirty nine round brilliant cut diamonds, the diamonds totalling 9.83 carats, stamped 750, 17.5cm, 14.4g. 

Estimate £5,000 - £7,000

A PAIR OF DIAMOND, MOTHER OF PEARL AND ROCK CRYSTAL STARFISH AND SHELL DROP EARRINGS each comprising a starfish motif set with round brilliant cut diamonds, suspending a shell drop set with a slice of mother of pearl and carved rock crystal, marked J

Estimate £1,000 - £1,500

H. STERN, A BLUE TOPAZ GOLDEN STONES RING set with an oval cabochon blue topaz, the band with a brushed finish, H. Stern maker's mark, stamped 750, size N / 6.75, 29.8g. 

Estimate £2,000 - £3,000

A PAIR OF LAPIS LAZULI, CHALCEDONY AND DIAMOND DROP EARRINGS each set with a round cabochon green chalcedony, suspending polished lapis lazuli beads, rondelles set with round cut diamonds and a polished lapis lazuli drop, stamped 18K, 7.5cm, 29.9g. 

Estimate £1,000 - £1,500

AN ANTIQUE DIAMOND, EMERALD AND SAPPHIRE DRESS RING, EARLY 20TH CENTURY the navette shaped ring set with old cut diamonds, within a foliate style border set with alternating calibre cut emeralds and sapphires and further old and round cut diamonds, n

Estimate £1,000 - £1,500

AN EMERALD AND DIAMOND BROOCH the pierced brooch set with an octagonal step cut emerald of approximately 1.19 carats, accented throughout with old cut diamonds, no assay marks, 4.0cm, 5.1g. 

Estimate £1,500 - £2,500

AN IMPORTANT ALEXANDRITE AND DIAMOND CLUSTER RING in platinum, set with a cushion cut alexandrite of 2.42 carats in a cluster of round brilliant cut diamonds, further round brilliant cut diamonds set to the shoulders, the diamonds totalling 2.38 cara

Estimate £60,000 - £80,000

A 73.72 CARAT PARAIBA-TYPE TOURMALINE AND DIAMOND PENDANT in 18ct yellow gold, set with an oval mixed cut tourmaline of 73.72 carats in two concentric borders of round brilliant cut diamonds, the mount and bail set with further diamonds, the diamonds

Estimate £30,000 - £40,000

A PAIR OF DIAMOND AND FROSTED ROCK CRYSTAL DROP EARRINGS each set with an old European cut diamond suspending a tapering drop set with further old European and baguette cut diamonds, terminated with a frosted rock crystal hoop, no assay marks, 5.2cm,

Estimate £3,000 - £5,000

MAUBOUSSIN, A DIAMOND RING in 18ct white gold, set with an old mine cut diamond of 2.40 carats, accented by trios of marquise and round brilliant cut diamonds, signed Mauboussin Paris, French assay marks, size P / 7.75, 5.0g. 

Estimate £5,000 - £7,000

A FINE ART DECO DIAMOND AND EMERALD BRACELET in platinum, comprising openwork panels set with old European, old mine and transitional cut diamonds, accented by square step cut emeralds, the diamonds all totalling 14.0-15.0 carats, no assay marks, 19.

Estimate £25,000 - £30,000

A DIAMOND AND SAPPHIRE DRESS RING set with an old cushion cut diamond of 3.49 carats, in a border of round brilliant cut diamonds accented by French cut sapphires, stamped 18K, size M1/2 / 6.5, 5.7g. 

Estimate £12,000 - £16,000

A PAIR OF PORTUGUESE DIAMOND DROP EARRINGS in white gold, each set with an old cut diamond suspending a round brilliant cut diamond of approximately 1.52 and 1.47 carats respectively, Portuguese assay marks, 1.8cm, 6.9g. 

Estimate £7,000 - £9,000

TIFFANY & CO., AN EXQUISITE ART DECO FROSTED ROSE QUARTZ AND DIAMOND BROOCH in platinum, the oval brooch set with an old cut diamond of approximately 0.40 carats, accented by sections of carved frosted rose quartz and further old cut diamonds, signed

Estimate £6,000 - £8,000

A RUBY AND DIAMOND DRESS RING set with a cushion cut ruby within a tapering row of calibre cut rubies, accented by rows of round brilliant cut diamonds, stamped PLAT, size M1/2 / 6.5, 6.1g. 

Estimate £2,000 - £3,000

A SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cut sapphire of approximately 2.95 carats in a border of round brilliant cut diamonds, stamped 14K, size M1/2 / 6.5, 4.6g. 

Estimate £1,200 - £1,600

A GOLD BANGLE in hexagonal design, stamped 14K, inner circumference 16.0cm, 38.7g. 

Estimate £2,000 - £3,000

BLACK, STARR & FROST, A FINE COLOMBIAN MINOR EMERALD AND DIAMOND RING set with a cabochon emerald of approximately 7.91 carats, the shoulders set with old cut diamonds, B.S.&F maker's mark, stamped 18K, size I / 4.25, 4.7g. Accompanied by a facsimile

Estimate £20,000 - £25,000

A RUBY, EMERALD AND DIAMOND DAGGER BROOCH, 1940S set with a row of oval and round cabochon rubies, accented by cabochon and step cut emeralds and old cut diamonds, 10.0cm, 36.7g. 

Estimate £6,000 - £8,000

MARIO BUCCELLATI, A CHRYSOPRASE RING set with an oval cabochon chrysoprase, signed M. Buccellati, stamped 750, size Q / 8, 16.2g. 

Estimate £3,500 - £4,500

CARTIER, A PAIR OF TRICOLOUR GOLD DOOR KNOCKER EARRINGS in 18ct yellow, white and rose gold, each comprising a fluted tricolour top, suspending an open tricolour twisted hoop, signed Cartier and numbered, French assay marks, 4.7cm, 51.1g. 

Estimate £6,000 - £8,000

A 16.00 CARAT GREEN TOURMALINE AND DIAMOND PENDANT in 18ct yellow gold, set with a fancy cut green tourmaline of 16.00 carats in a border of round brilliant cut diamonds, suspended from a stylised bail, set throughout with round brilliant cut diamond

Estimate £3,000 - £5,000

A MODERNIST GREEN TOURMALINE AND DIAMOND DRESS RING in yellow gold, set with an octagonal step cut green tourmaline of approximately 6.57 carats, the textured mount accented by single cut diamonds, marked indistinctly, size V / 10.5, 25.9g.  

Estimate £2,500 - £3,500

TRIANON, A PAIR OF CORAL, DIAMOND AND FROSTED ROCK CRYSTAL CLIP EARRINGS each comprising a frosted rock crystal set with an oval cabochon coral and accented by round brilliant cut diamonds, signed Trianon, stamped 14k, 3.2cm, 26.5g. 

Estimate £2,500 - £3,500

ATTR TRIANON, A MUTLI GEM AND FROSTED ROCK CRYSTAL BEAD NECKLACE comprising eleven rows of frosted rock crystal beads, accented by polished sapphire, ruby and emerald beads, the clasp comprising frosted rock crystal set with cabochon rubies, sapphire

Estimate £2,500 - £3,500

AN IMPORTANT 30.75 CARAT BURMA NO HEAT PURPLE SAPPHIRE RING in platinum, set with a cushion cut purple sapphire of 30.75 carats, full British hallmarks, stamped PT950, size M / 6.25, 16.2g. Accompanied by a Gubelin report stating that the purple sapp

Estimate £150,000 - £250,000

VAN CLEEF & ARPELS, A DIAMOND AND MULTI GEM BANGLE the hinged bangle pave set with round brilliant cut diamonds, accented by round cut rubies, emeralds and sapphires in floral formations, signed Van Cleef & Arpels NY and numbered, no assay marks, inn

Estimate £10,000 - £15,000

A FINE DIAMOND BELL FLOWER BROOCH in platinum, designed as a bell flower set throughout with round brilliant and baguette cut diamonds, suspending an articulated spray of marquise cut diamonds, the marquise cut diamonds totalling 8.5-9.5 carats, the

Estimate £20,000 - £25,000

A FINE THREE STONE DIAMOND RING in 18ct white gold, set with a round brilliant cut diamond of 4.02 carats between two pear cut diamonds, the accenting diamonds both totalling 0.65 carats, partial British hallmarks, size L1/2 / 6, 6.0g. Accompanied by

Estimate £12,000 - £16,000

MARCHAK, A CEYLON NO HEAT PINK SAPPHIRE AND DIAMOND RING in 18ct yellow gold and platinum, set with an oval cut pink sapphire of approximately 3.33 carats, accented by princess cut diamonds, signed Marchak, French assay marks, sizing band, size L / 5

Estimate £10,000 - £15,000

MARGOT MCKINNEY, A LARGE PAIR OF KUNZITE, DIAMOND AND PEARL DROP EARRINGS each comprising a row of alternating fancy cut kunzites and fancy cut diamonds, suspending a detachable pink pearl drop of 14.0mm and 14.1mm respectively, the kunzites totallin

Estimate £15,000 - £20,000

A FINE KUNZITE AND DIAMOND DRESS RING in 18ct yellow gold, set with an oval cut kunzite of approximately 71.00 carats, the stylised shoulders set with round brilliant cut diamonds, the diamonds all totalling 3.6-3.8 carats, no assay marks, size K / 5

Estimate £7,000 - £9,000

GUCCI, A HORSE BIT RING the crossover ring designed as a horse bit, signed Gucci, stamped Au750, size Q1/2 / 8.5, 18.9g. 

Estimate £1,000 - £1,500

SEAMAN SCHEPPS, A PAIR OF RUBY AND SAPPHIRE SAND DOLLAR CLIP EARRINGS in 18ct yellow gold, each designed as a sand dollar set with an oval cabochon sapphire of approximately 18.38 carats and an oval cabochon ruby of approximately 17.03 carats respect

Estimate £8,000 - £12,000

BULGARI, A DIAMOND SPIGA CUFF BRACELET comprising chevron links accented by three sections of pave set round brilliant cut diamonds, signed Bvlgari, Italian assay marks, stamped 750, inner circumference 16.0cm, 76.4g. 

Estimate £10,000 - £15,000

TIFFANY & CO., A DIAMOND FULL ETERNITY RING channel set all around with round brilliant cut diamonds all totalling 0.45 carats, signed Tiffany & Co., stamped 750, size J / 4.75, 2.3g. 

Estimate £1,500 - £2,500

THEO FENNELL, AN ONYX AND DIAMOND HEART PENDANT designed as a heart, set with polished onyx and accented by pave set round brilliant cut diamonds, Theo Fennell maker's mark, stamped 750, 1.4cm, 4.2g. 

Estimate £1,000 - £1,500

A PAIR OF DIAMOND EARRINGS each set with a pear cut diamond of approximately 0.80 and 1.06 carats respectively, in a border of round brilliant cut diamonds, no assay marks, 1.5cm, 8.0g. 

Estimate £7,000 - £9,000

CARTIER, A DIAMOND LOVE RING in 18ct rose gold, the band pave set throughout with round brilliant cut diamonds, punctuated by six screw head motifs, signed Cartier and numbered, Swiss assay marks, stamped Au 750, size N1/2 / 7, 10.9g. Accompanied by

Estimate £4,000 - £6,000

TIFFANY & CO., A VANNERIE BRACELET in woven design, signed Tiffany & Co., stamped 750, 18.5cm, 53.0g. 

Estimate £3,000 - £5,000

A FINE AQUAMARINE AND DIAMOND RING set with a large octagonal step cut aquamarine of 42.59 carats, the openwork mount in foliate design, accented by round brilliant cut diamonds, stamped 750 PLAT, size M / 6.25, 21.9g. 

Estimate £5,000 - £7,000

FOCHTMANN, A PAIR OF BLUE TOPAZ CLIP EARRINGS each set with an oval cabochon blue topaz, signed FOCHTMANN, stamped 750, 1.7cm, 13.6g. 

Estimate £800 - £1,200

A VINTAGE DIAMOND, RUBY AND SAPPHIRE GYPSY RING in yellow gold, the tapering band set with a round brilliant cut diamond of approximately 0.30 carats between a round cut ruby and sapphire, no assay marks, size P / 7.75, 9.6g. 

Estimate £2,000 - £3,000

GUCCI, A VINTAGE MALACHITE, TIGER'S EYE AND BLACK HARDSTONE CHARM BRACELET in 18ct yellow gold, comprising a chunky circular link chain suspending three gold discs engraved with foliate details to both sides, accented by tiger's eye, malachite and bl

Estimate £5,000 - £7,000

BOODLES, A DIAMOND SPINNING ETERNITY RING in 18ct white and yellow gold, comprising two spinning bands, one with engraved details and set with a round brilliant cut diamond within the letter W, the other spinning band set all around with round brilli

Estimate £700 - £900

A RUBY AND DIAMOND THREE STONE RING set with a cabochon ruby between two round brilliant cut diamonds, stamped 18K, size M / 6.25, 6.4g. 

Estimate £1,500 - £2,500

AN EMERALD, SAPPHIRE, RUBY AND DIAMOND FLOWER BROOCH set to the centre with a round cabochon emerald and diamond set petals, accented by floral clusters of sapphires and diamonds, accented by pear cut rubies, no assay marks, 4.7cm, 21.5g.

Estimate £2,500 - £3,500

CHIMENTO, A CHALCEDONY RING set with a pointed white chalcedony, signed Chimento, stamped 750, size N / 6.75, 14.2g. 

Estimate £800 - £1,200

CARTIER, A C DE CARTIER DIAMOND BANGLE the open cuff bangle designed as rows of tricolour gold, terminating at each end with a C motif set with round brilliant cut diamonds, signed Cartier and numbered, stamped 750, inner circumference 16.0cm, 31.5g.

Estimate £5,000 - £7,000

GUCCI, A DIAMOND ICON RING in 18ct white gold, the band with a row of alternating double G motifs and round brilliant cut diamonds, signed Gucci, stamped Au750, size M1/2 / 6.5, 4.6g. 

Estimate £400 - £600

A SAPPHIRE AND DIAMOND BALLERINA RING set with a cushion cut sapphire of 7.73 carats in an undulating border set with round brilliant and tapered baguette cut diamonds, the diamonds all totalling 3.04 carats, inscribed 7.732 3.04, stamped Pt900, size

Estimate £4,000 - £6,000

VAN CLEEF & ARPELS, A DIAMOND FLEURETTE NECKLACE comprising a trace chain set with five clusters of round brilliant cut diamonds, the diamonds totalling 3.5-3.7 carats, signed VCA and numbered, stamped 750, 46.0cm, 5.2g.

Estimate £25,000 - £30,000

VAN CLEEF & ARPELS, A DIAMOND FLOWER BROOCH designed as an openwork stylised flower, set throughout with round brilliant cut diamonds, the diamonds all totalling 4.5-5.0 carats, signed VCA 1998 and numbered, stamped 750, 4.0cm, 17.5g. 

Estimate £15,000 - £20,000

MAUBOUSSIN, AN AMETHYST, RUBY AND DIAMOND DRESS RING in 18ct white gold, set with a fancy cut frosted amethyst, accented by round cut rubies and round brilliant cut diamonds, Mauboussin Paris and numbered, French assay marks, size  K / 5.25, 17.7g. 

Estimate £2,000 - £3,000

A PAIR OF RETRO RUBY AND DIAMOND CLIP BROOCHES each in scrolling design set with old cut diamonds, accented by a spray of calibre cut rubies, no assay marks, 2.4cm, 11.1g. 

Estimate £1,200 - £1,600

BULGARI, A LAPIS LAZULI HEDGEHOG PENDANT in 18ct yellow gold, designed as a hedgehog, set with a polished lapis lazuli disc within a border engraved BVLGARI, signed Bulgari, Italian assay marks, stamped 750, 2.0cm, 2.9g. 

Estimate £300 - £500

CARTIER, A DIAMOND AND CERAMIC LOVE RING in 18ct white gold, the band pave set throughout with round brilliant cut diamonds, punctuated by six screw motifs set with ceramic, one ceramic motif damaged, signed Cartier and numbered, Swiss assay marks, s

Estimate £3,500 - £4,500

AN UNHEATED TEAL SAPPHIRE AND DIAMOND DRESS RING set with an oval cut teal sapphire of approximately 30.51 carats, the band set with staggered round brilliant cut diamonds, no assay marks, size K1/2 / 5.5, 14.7g. 

Estimate £8,000 - £12,000

MARINA B., A DIAMOND COLLAR NECKLACE in 18ct white gold, comprising a row of scrolling links, some pave set with round brilliant cut diamonds, the diamonds totalling approximately 3.50 carats, signed Marina B, Italian assay marks, stamped 750, 36.0cm

Estimate £15,000 - £20,000

MARINA B., A PAIR OF GOLD CLIP EARRINGS each in scrolling design, signed Marina B and numbered, stamped 750, 2.5cm, 23.4g. 

Estimate £1,800 - £2,200

CARTIER, A DIAMOND DRESS RING in 18ct white gold, pave set with round brilliant cut diamonds, the diamonds totalling 1.0-1.2 carats, signed Cartier and numbered, French assay marks, stamped Au750, size H / 3.75, 6.1g. Accompanied by a Cartier certifi

Estimate £2,500 - £3,500

DE AMBROSI, A PAIR OF LARGE DIAMOND HOOP EARRINGS each designed as a hoop, pave set throughout with round brilliant cut diamonds, the diamonds totalling 31.0-33.0 carats, signed De Ambrosi, no assay marks, 5.1cm, 39.9g. 

Estimate £15,000 - £20,000

A 20.85 CARAT PARAIBA-TYPE TOURMALINE AND DIAMOND RING in 18ct white gold, set with an oval cut tourmaline of 20.85 carats in a border of round brilliant cut diamonds, the stylised shoulders set with further round brilliant cut diamonds, the diamonds

Estimate £20,000 - £25,000

A RUBY AND DIAMOND LINE BRACELET comprising a row of alternating pear cut rubies and round brilliant cut diamonds, the rubies totalling 15.48 carats, stamped 750, 18.0cm, 13.1g. 

Estimate £1,200 - £1,600

A BURMA NO HEAT RUBY AND DIAMOND RING set with an oval cut ruby of 2.06 carats, the tapering mount set with baguette and tapered baguette cut diamonds all totalling 1.915 carats, inscribed 1.915 2.06, stamped K18WG, size N / 6.75, 5.5g. Accompanied b

Estimate £3,000 - £5,000

A PAIR OF BURMESE RUBY AND DIAMOND DROP EARRINGS each comprising a row of round brilliant cut diamonds, suspending an oval cut ruby drop in a cluster of further round brilliant cut diamonds, the rubies both totalling 4.05 carats, the diamonds all tot

Estimate £7,000 - £9,000

AN INVISIBLY SET RUBY AND DIAMOND PENDANT the drop shaped pendant invisibly set throughout with square step cut rubies, accented by round cut diamonds, no assay marks, 1.9cm, 3.5g. 

Estimate £2,500 - £3,500

A SOLITAIRE DIAMOND RING set with a round brilliant cut diamond of approximately 4.91 carats between two tapered baguette cut diamonds, stamped 10% IRID PLAT, size M / 6.25, 7.2g. 

Estimate £15,000 - £20,000

CARTIER, A DIAMOND FULL ETERNITY RING in platinum, set all around with a row of round brilliant cut diamonds all totalling approximately 1.20 carats, JC maker's mark, full British hallmarks, size M / 6.25, 4.5g. 

Estimate £4,000 - £6,000

MARCO BICEGO, A PAIR OF DIAMOND DROP EARRINGS each comprising a wire drop accented by a row of round brilliant cut diamonds and a diamond drop, signed Marco Bicego, stamped 750, 4.0cm, 4.0g. 

Estimate £400 - £600

RUSER, A BAROQUE PEARL AND DIAMOND DRESS RING set with a baroque pearl, accented by a marquise cut diamond and a row of round brilliant cut diamonds, signed Ruser, stamped 10% idid plat, size L1/2 / 6, 12.0g. 

Estimate £3,000 - £5,000

A 8.51 CARAT DIAMOND LINE BRACELET comprising a row of round brilliant cut diamonds, punctuated by baguette cut diamonds, the diamonds totalling 8.51 carats, stamped 750, 17.0cm, 12.0g. 

Estimate £6,000 - £8,000

VAN CLEEF & ARPELS, AN EMERALD AND DIAMOND RING in 18ct yellow gold, set with an oval cabochon emerald of 6.08 carats in a cluster of round brilliant and baguette cut diamonds, the shoulders pave set with further round brilliant cut diamonds, inscrib

Estimate £30,000 - £40,000

A PAIR OF PINK TOURMALINE AND DIAMOND DROP EARRINGS each set with a fancy cut tourmaline in a border of round brilliant cut diamonds, suspending an octagonal step cut tourmaline drop, the tourmalines totalling 55.0-60.0 carats, stamped 18K, 3.8cm, 31

Estimate £4,000 - £6,000

STEPHEN WEBSTER, A MULTI GEM HERMIT CRAB RING in 18ct yellow gold, designed as a hermit crab, the shell set with a slice of synthetic opal topped by a faceted rock crystal, accented by round cut rubies, orange sapphires, yellow sapphires and round br

Estimate £3,500 - £4,500

DE VROOMEN, A PAIR OF DIAMOND AND ENAMEL EARRINGS in 18ct yellow gold, each in scrolling design decorated with greyish-blue guilloche enamel, accented by a graduating row of round brilliant cut diamonds, the diamonds totalling 0.5-0.6 carats, signed

Estimate £2,000 - £3,000

A CORAL AND ONYX NECKLACE comprising a row of graduating polished coral beads, accented by ornate gold beads and polished onyx beads, later clasp stamped 925, 79.0cm, 68.4g. Accompanied by a facsimile letter from Verdura detailing that they created t

Estimate £5,000 - £7,000

VAN CLEEF & ARPELS, AN ONYX, EMERALD AND DIAMOND SWAN RING in 18ct yellow gold, in crossover design, designed as two swan heads set with fluted onyx, accented by round cut emeralds and round brilliant cut diamonds, inscribed X14 0.83CT, signed VCA an

Estimate £7,000 - £9,000

A FRENCH RUTILATED QUARTZ DRESS RING in 18ct yellow gold, set with a large round cabochon rutilated quartz, French maker's mark, French assay marks, size O / 7.25, 47.7g. 

Estimate £2,500 - £3,500

A YELLOW SAPPHIRE AND DIAMOND DRAGONFLY BROOCH the body set with a row of graduating round brilliant cut diamonds, the wings set throughout with round cut yellow sapphires, inscribed d0.53 6.16, stamped 750, 6.5cm, 16.7g. 

Estimate £1,500 - £2,500

TIFFANY & CO., A DIAMOND T TRUE WIDE RING in 18ct yellow gold, the openwork band designed as a row of T motifs, set throughout with round brilliant cut diamonds, the diamonds totalling 0.9-1.0 carats, signed Tiffany & Co., partial British hallmarks,

Estimate £3,000 - £5,000

SEAMAN SCHEPPS, A PAIR OF AMBER SHRIMP EARRINGS each set with carved amber and accented by rows of gold ropework, signed Seaman Schepps and numbered, stamped 750, 3.1cm, 32.3g. 

Estimate £4,500 - £5,500

VAN CLEEF & ARPELS, A DIAMOND DRESS RING in 18ct yellow gold, designed as a stylised bow set throughout with round brilliant cut diamonds, inscribed 94, signed VCA and numbered, French assay marks, size S / 9, 13.5g. 

Estimate £5,000 - £7,000

STERLE, A CITRINE AND RUBY TURTLE BROOCH in 18ct yellow gold, the shell set with a facetted citrine, the eyes set with round cut rubies, signed Sterle Paris and numbered, French assay marks, 2.2cm, 9.2g. 

Estimate £1,500 - £2,500

AN ANTIQUE CEYLON NO HEAT SAPPHIRE AND DIAMOND CLUSTER RING in yellow gold, set with an oval cut sapphire of approximately 5.00 carats in a cluster of old cut diamonds, the diamonds all totalling 1.4-1.6 carats, no assay marks, size J1/2 / 5.5, 5.3g.

Estimate £5,000 - £7,000

SCHWARZ & STEINER, A RUBY AND DIAMOND LOCKET PENDANT in 14ct yellow gold, the circular hammered gold locket set with square step cut rubies and old cut diamonds in a square formation, sliding to reveal two glass covered locket compartments, signed SC

Estimate £1,000 - £1,500

CARTIER, A GOLD TRINITY RING in 18ct yellow, white and rose gold, comprising three interlocking tricolour rings, signature worn from use, Swiss assay marks, size O / 7.25, 14.5g. Accompanied by the original Cartier purchase receipt. 

Estimate £600 - £800

AN ANTIQUE DIAMOND BANGLE in yellow gold and silver, the hinged bangle set with a row of rose cut diamonds, no assay marks, inner circumference 17.0cm, 17.3g.  

Estimate £2,000 - £3,000

A THREE STONE DIAMOND RING set with three round brilliant cut diamonds, the diamonds totalling 3.03 carats, inscribed 3/3.03, stamped 9K, size U / 10.25, 7.6g. 

Estimate £4,500 - £5,500

AN ART DECO ONYX, CORAL AND DIAMOND PENDANT NECKLACE in platinum, comprising a fancy link chain with two links accented by round cut diamonds, suspending a polished onyx pendant with an applied foliate motif set with a round cabochon coral and furthe

Estimate £4,000 - £6,000

A CORAL AND DIAMOND RING set with a large round cabochon coral of 19.6mm, the shoulders set with fancy cut diamonds, stamped PLATINUM, size M1/2 / 6.5, 17.2g. 

Estimate £1,500 - £2,500

AN AUSTRIAN FROSTED ROCK CRYSTAL AND DIAMOND FLOWER EARRINGS AND BROOCH SUITE in 14ct white gold, the brooch comprising three carved frosted rock crystal flowers, accented by round brilliant cut diamonds, the earrings of similar design, Austrian assa

Estimate £1,500 - £2,500

A 10.51 CARAT DIAMOND LINE BRACELET comprising a row of thirty three round brilliant cut diamonds, the diamonds totalling 10.50 carats, inscribed 33/10.50ct, stamped 18K, 19.0cm, 21.7g. 

Estimate £6,000 - £8,000

A TURQUOISE AND DIAMOND DRESS RING set with a cabochon turquoise in a stylised border set with single cut diamonds, no assay marks, size M / 6.25, 13.7g. 

Estimate £2,000 - £3,000

A PAIR OF RHODONITE SCARAB EARRINGS each set with a carved rhodonite scarab beetle, screw back fittings, stamped 14K, 1.7cm, 7.2g. 

Estimate £350 - £450

AN ANTIQUE DIAMOND AND ENAMEL RING in yellow gold, the oval face with an applied E surmounted by a crown set with rose cut diamonds, over a ground of blue enamel and accented by a border of further rose cut diamonds, the reverse engraved Elisabeth 18

Estimate £2,500 - £3,500

AN ANTIQUE FRENCH DIAMOND AND ENAMEL CROSS PENDANT in 18ct yellow gold, the cross in foliate design, accented by old cut diamonds and relieved in blue enamel, French maker's mark, French assay mark, 5.5cm, 10.7g. 

Estimate £2,000 - £3,000

AN EMERALD AND DIAMOND THREE STONE RING set with a pear cut emerald between two pear cut diamonds, accented on each side by pairs of tapered baguette cut diamonds, stamped 750, size M / 6.25, 4.8g. 

Estimate £1,000 - £1,500

BULGARI, A MULTI GEM CHAIN NECKLACE comprising a trace chain interspersed by polished discs of coral, lapis lazuli, rhodochrosite and green and purple hard stones, within borders engraved BVLGARI, signed Bvlgari, stamped 750, 78.3cm, 60.0g. 

Estimate £7,000 - £9,000

A DIAMOND DRESS RING in cross over design, pave set with a section of round brilliant cut diamonds all totalling 1.5-1.7 carats, signed Princess, stamped 750, size Q / 8, 8.3g. 

Estimate £1,200 - £1,600

HENRY DUNAY, A PAIR OF IONIC COLUMN EARRINGS each designed as the top of an ionic column, signed Dunay, stamped 18K, 2.0cm, 21.6g. 

Estimate £2,000 - £3,000

A RUBY AND DIAMOND RING set with a marquise cut ruby of approximately 2.15 carats in a cluster of marquise and pear cut diamonds, the diamonds all totalling 1.6-1.8 carats, stamped 18K, size L1/2 / 6, 8.5g. 

Estimate £5,000 - £7,000

AN INDIAN EMERALD, RUBY, DIAMOND AND ENAMEL BRACELET comprising Mughal carved emeralds in borders of carved rubies and polki cut diamonds, the reverse decorated with red, green and white enamel, clasp stamped 14K, 17.0cm, 57.1g. 

Estimate £4,000 - £6,000

A PAIR OF INDIAN EMERALD, RUBY AND DIAMOND EARRINGS each set to the centre with a Mughal carved emerald in a cluster of carved rubies, the reverse decorated with red, green and white enamel, no assay marks, 2.4cm, 18.8g. 

Estimate £2,500 - £3,500

CARTIER, AN EMERALD AND ENAMEL DOUBLE PANTHERE RING in 18ct yellow gold, the open band designed as two panthers, the eyes set with round cut emeralds, the spots decorated with black enamel, signed Cartier and numbered, stamped 750, size N1/2 / 7, 16.

Estimate £7,000 - £9,000

AN ANTIQUE EMERALD AND DIAMOND GRIFFIN BROOCH in yellow gold, designed as a griffin set with a round cabochon emerald and old cut diamonds, no assay marks, 3.2cm, 20.3g. 

Estimate £1,200 - £1,600

AN ART DECO DIAMOND AND EMERALD BRACELET in platinum, set to the centre with an old mine cut diamond between two old pear cut diamonds, the pierced bracelet set throughout with further old cut diamonds, accented by marquise cut diamonds and rows of c

Estimate £8,000 - £12,000

A DIAMOND AND EMERALD FULL ETERNITY RING set with three rows of round brilliant cut diamonds and round cut emeralds, the diamonds all totalling 2.0-2.2 carats, no assay marks, size N / 6.75, 84g. 

Estimate £2,500 - £3,500

AN ANCIENT COIN CUFF BANGLE the gas pipe cuff set with an ancient Roman coin, accented by two gold studs, stamped Au750 925S, inner circumference 16.0cm, 83.4g. 

Estimate £2,000 - £3,000

A PAIR OF BLUE TOPAZ, CITRINE, PINK TOURMALINE AND DIAMOND DROP EARRINGS in 18ct yellow gold, each comprising a cabochon blue topaz suspending a fancy cabochon citrine and a carved pink tourmaline beetle drop, accented by two round brilliant cut diam

Estimate £2,000 - £3,000

A 3.51 CARAT E COLOUR SOLITAIRE DIAMOND ENGAGEMENT RING in platinum, set with a princess cut diamond of 3.51 carats, full British hallmarks, size M / 6.25, 15.3g. Accompanied by a GIA report stating that the diamond is E colour and VS1 clarity. 

Estimate £20,000 - £30,000

A 9.60 CARAT DIAMOND LINE NECKLACE comprising a graduating row of one hundred and seven round brilliant cut diamonds, the diamonds totalling 9.60 carats, inscribed 107/9.60, no assay marks, 44.5cm, 22.8g. 

Estimate £4,500 - £5,500

MAUBOUSSIN, AN IOLITE AND MOTHER OF PEARL RING in 18ct white gold, set with a fancy oval cut iolite, accented by sections of mother of pearl, signed Mauboussin Paris and numbered, French assay marks, size K1/2 / 5.5, 18.8g. 

Estimate £1,000 - £1,500

A 24.90 CARAT GREEN TOURMALINE AND DIAMOND PENDANT set with an oval cut green tourmaline of 24.90 carats, the openwork scrolled setting set throughout with round brilliant cut diamonds, suspending a pave set diamond drop, stamped K18, 6.4cm, 14.0g. 

Estimate £3,500 - £4,500

A TANZANITE AND DIAMOND CLUSTER RING set with an oval cut tanzanite of 6.62 carats in a cluster of round brilliant cut diamonds, stamped 750, size N / 6.75, 9.0g. 

Estimate £2,000 - £3,000

A FINE AQUAMARINE, EMERALD, SAPPHIRE AND DIAMOND BRACELET set with six principal octagonal step cut aquamarines, all totalling 120.0-130.0 carats, accented by Mughal-style carved emerald and sapphire leaves and round brilliant cut diamonds, the emera

Estimate £18,000 - £22,000

A YELLOW SAPPHIRE AND DIAMOND RING set with an oval cut 6.19 carats, the openwork tapering body of scrolling design, set with round brilliant cut diamonds, engraved 6.19 0.29, stamped K18, size Q1/2 / 8.25, 9.6g. 

Estimate £2,000 - £3,000

AN ANTIQUE GOLD NECKLACE in yellow gold, of fancy link design, no assay marks, 68.0cm, 54.5g. 

Estimate £4,500 - £5,500

AN ANTIQUE DIAMOND AND PEARL PORTRAIT MINIATURE PENDANT in yellow gold and silver, comprising a painted miniature of a Georgian woman in a border of old cut diamonds and pearls, suspended below a bow set with a further pearl and old cut diamonds, the

Estimate £6,000 - £8,000

AN UNHEATED PINK SAPPHIRE AND DIAMOND DRESS RING set with a cushion cut pink sapphire of approximately 2.58 carats accented on each side by a pear cut diamond, in a border of round brilliant cut diamonds, stamped 750, size M1/2 / 6.5, 6.5g. Accompani

Estimate £2,500 - £3,500

A TURQUOISE, CORAL, PEARL AND SAPPHIRE NECKLACE comprising two rows of graduating polished turquoise beads, accented by carved coral beads, the clasp set with a cabochon turquoise in a cluster of pearls and round cut sapphires, no assay marks, 56.0cm

Estimate £3,000 - £5,000

A 22.04 CARAT UNHEATED BLUE SPINEL AND DIAMOND RING in 18ct white gold, set with a cushion cut spinel of 22.04 carats in a border of round brilliant cut diamonds, the stylised shoulders set with further diamonds, partial British hallmarks, size N1/2

Estimate £6,000 - £8,000

A PAIR OF ONYX, DIAMOND AND JADEITE JADE DROP EARRINGS each set with a cabochon onyx in a border of round cut diamonds, suspending two rose cut diamonds and a further onyx, terminating with a jadeite jade drop in a border of further diamonds, no assa

Estimate £1,500 - £2,500

A SAPPHIRE AND DIAMOND RING set with an oval cut sapphire of approximately 3.92 carats, the shoulders and gallery accented by round brilliant cut diamonds, stamped pt950, size L1/2 / 6, 8.3g. 

Estimate £3,000 - £5,000

AN ANTIQUE DIAMOND, RUBY AND PEARL CHICK BROOCH in yellow gold and silver, designed as two chicks stood on a row of round cut rubies, accented by two foliate motifs, set throughout with rose cut diamonds and accented by a pearl, no assay marks, 5.5cm

Estimate £1,500 - £2,500

AN ANTIQUE TURQUOISE, DIAMOND AND ENAMEL BRACELET in 15ct yellow gold, the fancy link bracelet set with three clusters comprising old cut diamonds, cabochon turquoise and white enamel, stamped 15ct, 17.5cm, 23.7g. 

Estimate £1,500 - £2,500

A 14.20 CARAT UNHEATED SPINEL RING set with an oval cut spinel of 14.20 carats, stamped 750, size N1/2 / 7, 10.9g. Accompanied by a gemmological report stating that the spinel is of Tajikistan origin and shows no indications of heat treatment. 

Estimate £10,000 - £15,000

A 12.50 CARAT DIAMOND LINE NECKLACE comprising a row of ninety six graduating round brilliant cut diamonds, the diamonds totalling 12.50 carats, stamped 750, 44.5cm 26.2g. 

Estimate £10,000 - £15,000

A THREE STONE DIAMOND RING set with three round brilliant cut diamonds, the diamonds totalling 1.53 carats, inscribed 1/0.83 2/0.70, stamped 18K, size Q / 8.25, 4.5g.

Estimate £1,200 - £1,600

A PAIR OF DIAMOND EARRINGS each cushion shaped earring comprising an openwork flower set with round brilliant cut diamonds, accented by engraved details, no assay marks, 2.0cm, 18.2g. 

Estimate £2,000 - £3,000

AN UNMOUNTED 8.25 CARAT SPINEL cushion cut, 8.25 carats. Accompanied by two gemmological reports from GIA and AGL stating that the spinel has indications of heat treatment. 

Estimate £3,000 - £5,000

A COLLECTION OF SEVEN UNMOUNTED SPINELS polished red spinels, 25.25, 15.75, 16.75, 9.65, 9.50, 7.25 and 9.05 carats. Accompanied two gemmological reports stating that spinels of 25.25 carats and 15.75 carats show no indications of heat treatment and

Estimate £6,000 - £8,000

A 6.36 CARAT DIAMOND LINE BRACELET comprising a row of round brilliant cut diamonds, punctuated by trios of baguette cut diamonds, the diamonds all totalling 6.36 carats, stamped 750, 18.0cm, 13.5g. 

Estimate £6,000 - £8,000

AN AMETHYST DRESS RING the stylised ring set with an elongated rectangular step cut amethyst, stamped 950, size M / 6.25, 63.6g. 

Estimate £3,000 - £5,000

CARTIER, A MAILLON PANTHERE NECKLACE in 18ct yellow gold, comprising three rows of maillon links, signed Cartier and numbered, maker's mark, French assay marks, 40.0cm, 75.4g. 

Estimate £10,000 - £15,000

A RUBY AND DIAMOND RING AND EARRINGS SUITE each oval earring set with a cabochon ruby in a border of single cut diamonds, the ring of similar design, no assay marks, earrings 2.0cm, ring size M1/2 / 6.5, total weight 14.5g. 

Estimate £1,500 - £2,500

TIFFANY & CO, A GOLD 1837 BANGLE the plain bangle embossed T & CO 1837, signed Tiffany & Co., stamped 750, inner circumference 20.0cm, 28.6g.

Estimate £1,800 - £2,200

A LARGE PAIR OF DIAMOND CLUSTER EARRINGS each set with a cluster of marquise and pear cut diamonds, the diamonds totalling 10.0-11.0 carats, stamped 18K, 2.4cm, 12.8g. 

Estimate £20,000 - £25,000

HERMES, A GOLD STRAP BRACELET in 18ct yellow gold, of textured fancy link design, signed Hermes Paris, French assay mark, 19.0cm, 72.3g. 

Estimate £8,000 - £12,000

BULGARI, A PAIR OF DIAMOND CLIP EARRINGS each circular clip earring set with a single round brilliant cut diamond, one signed Bulgari NY and stamped 18K, the other is a replacement and is unsigned and unmarked, 2.0cm, 21.6g. 

Estimate £3,000 - £5,000

A VINTAGE SAPPHIRE AND DIAMOND GYPSY RING in 18ct yellow gold, set with a round cut sapphire of approximately 1.02 carats, between two round brilliant cut diamonds, the band with a satin finish, stamped 18K, size L / 5.75, 8.2g.

Estimate £1,500 - £2,500

AN ANTIQUE DEMANTOID GARNET AND DIAMOND BROOCH in yellow gold and silver, the openwork foliate brooch set to the centre with a round cut demantoid garnet, accented by rose cut diamonds and further round cut demantoid garnets, no assay marks, 2.7cm, 7

Estimate £2,000 - £3,000

BULGARI, AN AMETHYST RING the bicolour ring set with an oval cut amethyst, signed Bvlgari, stamped 750, size L1/2 / 6, 9.0g. 

Estimate £1,000 - £1,500

A DIAMOND CLUSTER RING the diamond shaped face set with a cluster of round brilliant cut diamonds all totalling 1.2-1.3 carats, no assay marks, size adjustable from I / 4.25 to M / 6.25, 5.4g. 

Estimate £1,200 - £1,600

A GEMSET BIRD PENDANT NECKLACE the octagonal openwork pendant comprising a bird perched on a branch motif, set with round brilliant cut diamonds, round cut tsavorite garnets and yellow sapphires, the branch set with pear cut green and orange sapphire

Estimate £2,000 - £3,000

A PAIR OF DIAMOND STUD EARRINGS each set with a round brilliant cut diamond, the diamonds both totalling 1.23 carats, butterflies stamped 750, 0.5cm, 2.3g. 

Estimate £1,200 - £1,600

A CEYLON NO HEAT SAPPHIRE AND DIAMOND RING set with a cushion cut sapphire of approximately 2.50 carats, accented by rows of round brilliant and baguette cut diamonds, the diamonds totalling 0.9-1.0 carats, stamped 18K, size P / 7.75, 6.2g. Accompani

Estimate £4,000 - £6,000

A SAPPHIRE AND DIAMOND LINE BRACELET comprising a row of alternating oval cut sapphires and round brilliant cut diamonds, stamped 750, 17.0cm, 11.5g. 

Estimate £2,000 - £3,000

DIOR, A DIAMOND DIORAMOUR RING in 18ct white gold, designed as the cursive word 'OUI' accented by a round brilliant cut diamond, signed Dior and numbered, stamped 750, size N1/2 / 7, 1.9g. 

Estimate £250 - £350

A PAIR OF CORAL DROP EARRINGS each suspending a polished coral twig, no assay marks, 4.3cm, 2.6g. 

Estimate £200 - £300

AN ANTIQUE CARNELIAN SNAKE STICK / TIE PIN set with a polished carnelian bead accented by a coiled snake, no assay marks, 2.0cm, 6.3g. 

Estimate £200 - £300

AN EMERALD AND DIAMOND RING set with a cabochon emerald of 2.45 carats, accented on each side by a baguette cut diamond, inscribed 2.45 D0.30, stamped Pt900, size J / 4.75, 5.5g. 

Estimate £1,500 - £2,500

AN ANTIQUE BANDED AGATE AND PEARL MALTESE CROSS PENDANT in yellow gold, the bail and arms of the cross set with fancy shaped polished banded agates, set to the centre with a cluster of pearls, continental assay marks, 4.3cm, 19.5g. 

Estimate £1,200 - £1,600

ALEX SEPKUS, A DIAMOND FAVOURITE THINGS RING the stylised band accented by round brilliant cut diamonds, signed Alex Sepkus, stamped plat, size J / 4.75, 9.2g. 

Estimate £700 - £900

A PAIR OF RUBY AND DIAMOND DROP EARRINGS each set with an oval cut ruby in a cluster of round brilliant cut diamonds, suspending a drop set with a further ruby and diamond cluster accented by marquise and round brilliant cut diamonds, the diamonds al

Estimate £5,000 - £7,000

A 66.95 CARAT AQUAMARINE AND DIAMOND PENDANT in 18ct yellow gold, set with a step cut aquamarine of 66.95 carats, suspended from an articulated bail set with round brilliant cut diamonds, partial British hallmarks, 5.6cm, 32.4g.

Estimate £4,000 - £6,000

A SAPPHIRE AND DIAMOND RING set with an octagonal step cut sapphire of 2.65 carats, accented on each side by a baguette cut diamond, signed VCA NY and numbered, stamped PLAT, size M / 6.25, 3.5g. 

Estimate £1,500 - £2,500

H. STERN, A COGNAC SOLITAIRE DIAMOND RING set with a round brilliant cut cognac diamond of approximately 1.00 carat, maker's mark, stamped 750, size L1/2 / 6, 10.1g. 

Estimate £1,800 - £2,200

A DIAMOND AND PEARL CHOKER NECKLACE comprising nine rows of pearls, accented by plaques set with round cut diamonds, stamped 18K, 30.0cm, 66.9g.

Estimate £2,000 - £3,000

AN EMERALD AND DIAMOND DRESS RING set with an oval cut emerald of 5.92 carats accented by round brilliant and tapered baguette cut diamonds, stamped 750, size N / 6.75, 7.2g. 

Estimate £3,000 - £5,000

A MULTICOLOUR SAPPHIRE AND DIAMOND LINE BRACELET comprising a row of octagonal step cut pink, purple, blue, green, yellow and teal sapphires accented by round brilliant cut diamonds, stamped 585, 18.0cm, 10.7g. 

Estimate £1,500 - £2,500