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NATURAL PEARL AND DIAMOND DOUBLE CLIP BROOCH, CIRCA 1940The natural pearls of white and grey tint within an openwork frame of old brilliant, singl...

GEM-SET AND PLIQUE-À-JOUR ENAMEL DRAGONFLY BROOCHThe body with an emerald cabochon and old brilliant-cut diamonds, the en tremblant wings with pli...

PEARL AND ENAMEL CROSS PENDANT, SECOND HALF OF 19TH CENTURYThe cross centred by a cross of Latin form outlined by blue enamel, set throughout with...

TWO DIAMOND FLOWER BROOCHESEach flowerhead set with cushion-shaped diamonds, mounted in closed back silver settings, one brooch with additional pe...

REVERSE INTAGLIO BRACELET AND CITRINE FOB SEAL, 19TH CENTURY1st: Of racing and equestrian interest, the rock crystal cabochon carved to depict the...

DIAMOND PENDENT EARRINGS, 19TH CENTURYEach old cushion-shaped diamond cluster, suspending knifewire links set with old cushion and rose-cut diamon...

DIAMOND CLUSTER RINGThe oval-cut diamond weighing 2.71 carats, within a brilliant-cut and pear-shaped diamond surround, remaining diamonds approx....

LONGCHAIN, CIRCA 1830/40Of textured and polished linking, with a foliate wirework clasp, length 111.0cm, weight approx. 40.5gFor further informati...

BRACELETOf bicoloured 18 carat gold linking, London import mark, length 19.0cm, weight approx. 98.5gFor further information on this lot please vis...

NATURAL PEARL AND DIAMOND CLUSTER RING, LATE 19TH CENTURYThe natural half-pearl within an old cushion-shaped diamond surround, mounted in silver a...

DIAMOND FIVE-STONE RING, CIRCA 1880Set to the front with five old brilliant-cut diamonds, in pinched collet settings, between fluted shoulders, di...

DIAMOND BROOCHThe central brilliant-cut diamond, weighing 1.81 carats, within a radiating knifewire surround set with similarly-cut diamonds, rema...

TIFFANY: 'ARIA' DIAMOND RINGBrilliant-cut diamonds, mounted in platinum, diamonds approx. 2.95cts total, signed Tiffany & Co., maker's mark T&Co.,...

VAN CLEEF & ARPELS: RUBY AND DIAMOND EARCLIPS, CIRCA 1955The stylised leaves accented with circular-cut rubies and brilliant-cut diamonds, signed...

TURQUOISE AND ENAMEL BROOCH AND PENDANTOf openwork design, with turquoise cabochon flowers, to verso with green, red and white enamel with gold be...

CULTURED PEARL NECKLACE AND BRACELET SUITE10.3-12.3mm cultured pearls of grey tint, each with a brilliant-cut diamond clasp, diamonds approx. 2.15...

GÜBELIN: SPINEL AND DIAMOND RINGThe circular-cut spinel, weighing 2.88 carats, between trilliant-cut diamonds, maker's mark, diamond approx. 0.50c...

DIAMOND RIVIÈRE, 19TH CENTURY AND LATERThe single row of 68 old cushion and circular-cut diamonds graduated towards the centre, mounted in silver...

SAPPHIRE AND DIAMOND EARRINGS AND RINGCalibré-cut sapphire and brilliant-cut diamonds, diamonds approx. 1.75cts total, lengths: earrings 2.7cm, ri...

AMETHYST AND SEED PEARL BROOCH/PENDANT, CIRCA 1820Set with oval-cut and cushion-shaped amethysts and half seed pearls, mounted in pinched collet, ...

RUBY AND DIAMOND FIVE STONE RING, CIRCA 1890Alternating cushion-shaped rubies and old brilliant-cut diamonds, accented by rose-cut diamonds, to a ...

SAPPHIRE AND DIAMOND CLUSTER RINGThe circular-cut sapphire within a single-cut diamond surround, between similarly-cut shoulders, sapphire approx....

AQUAMARINE AND DIAMOND RINGThe cushion-shaped aquamarine, between old brilliant and single-cut diamond shoulders, aquamarine approx. 16.80cts, rin...

DIAMOND BOW BROOCH, CIRCA 1920Designed as a stylised bow, set with old brilliant, old cushion and rose-cut diamonds, issuing two articulated drop...

DIAMOND CLUSTER RINGThe brilliant-cut diamond, weighing 2.08 carats, within a marquise and brilliant-cut diamond surround, mounted in 18 carat gol...

BELLE ÉPOQUE ENAMEL AND DIAMOND PENDANT NECKLACE, CIRCA 1905The rose-cut diamond floral motif upon a pink guilloche enamel plaque, between rose-cu...

SAPPHIRE AND DIAMOND NECKLACEAlternating brilliant-cut diamond and calibré-cut sapphire links, diamonds approx. 13.00cts total, length 45.8cmFor f...

ETRUSCAN REVIVAL NECKLACE, CIRCA 1870Designed as a fringe of concave flowers between circular flower motifs, with granulation detailing throughout...

LALAOUNIS: 'HERCULES KNOT' SAUTOIROf woven foxtail linking, the knot motif issuing lion's head terminals, accented with circular-cut ruby eyes, s...

AMETHYST DEMI-PARUREComprising a necklace, brooch and pendent earrings, the necklace with graduated oval-cut amethysts within a surround of cannet...

BOUCHERON: CULTURED PEARL AND RUBY PENDENT EARRINGSEach circular-cut ruby snake motif with diamond-set eyes, suspending three 10.2-10.5mm cultured...

CARTIER: 'PANTHÈRE DE CARTIER' NECKLACESet with tsavorite garnet eyes and an onyx nose, signed Cartier, maker's mark EC, numbered, French assay m...

GEM-SET NECKLACE, CIRCA 1900Of openwork scrolling wirework design, set with oval-cut amethysts and circular-cut demantoid garnets, mounted in gold...

GEM-SET FRINGE NECKLACE, CIRCA 1900Set throughout with vari-cut gemstones including aquamarine, chrysoberyl and pink topaz, with scroll and knifew...

CULTURED PEARL NECKLACE WITH DIAMOND CLASP4.9-8.7mm cultured pearls, to an old brilliant-cut diamond set clasp of openwork design, diamonds approx...

BOUCHERON: DIAMOND-SET 'AVA' NECKLACESet to the front with overlapping openwork motifs, each pavé set with brilliant-cut diamonds, to a necklace o...

BULGARI: GEM-SET 'MEDITERRANEAN EDEN SASSI' NECKLACE AND EARRING SUITEEach suspending an amethyst, topaz and brilliant-cut diamond drop, signed Bu...

CHARLES DE TEMPLE: DIAMOND FRINGE EARRINGS, 1972Each comprising a diamond flower cluster to a surround of granulation work, suspending a fringe of...

OF NAPOLÉONIC INTEREST: GOLD MEMORIAL LOCKET, CIRCA 1830The exterior lid engraved with the initial, N, beneath a crown, the exterior base with an ...

GRIMA: RUBY AND DIAMOND RING, 1967The ruby cabochon in a pierced mount of textured wire, accented by brilliant and single-cut diamonds, mounted in...

CULTURED PEARL NECKLACE WITH EMERALD AND DIAMOND CLASPThe two rows of 8.4-8.8mm cultured pearls, to a circular-cut emerald and brilliant and bague...

DIAMOND EARSTUDSEach emerald-cut diamond weighing 0.81 carat and 0.80 carat, within a detachable brilliant-cut diamond surround, length with detac...

GEISS: BERLIN IRONWORK BRACELET, CIRCA 1830Composed of openwork panels with scrolling foliate detail, to a clasp with an openwork flowerhead motif...

ART DECO DIAMOND BRACELET, CIRCA 1935Centred by a geometric articulated openwork central panel of old-brilliant, baguette and step-cut diamonds, ...

SAPPHIRE NECKLACEDesigned as a series of spectacle-set circular and oval-cut sapphires, length 45.0cmFor further information on this lot please vi...

SAPPHIRE AND DIAMOND CLUSTER RINGThe oval-cut sapphire, within a brilliant and baguette-cut diamond surround, to an expandable hoop, sapphire appr...

AQUAMARINE PENDANT NECKLACEThe pear-shaped aquamarine suspended from a black enamel, diamond and seed pearl frame, suspended from a trace link cha...

DIAMOND SINGLE-STONE RINGBrilliant-cut diamond, approx. 2.10cts, ring size approx. M½For further information on this lot please visit Bonhams.com

SCHLUMBERGER FOR TIFFANY: PINK SAPPHIRE AND DIAMOND RINGThe X motifs alternating with duos of brilliant-cut diamonds and circular-cut pink sapphir...

BJÖRN WECKSTRÖM FOR LAPPONIA: 'ORCHID PSYCHEDELIC' NECKLACE AND BRACELET SUITEOf 14 carat gold textured linking, signed Lapponia, Finnish assay ma...

SAPPHIRE AND DIAMOND NECKLACEAlternating oval-cut sapphires and brilliant-cut diamonds, diamonds approx. 2.20cts total, length 39.5cmFootnotes:Ple...

DIAMOND EARRINGS, 19TH CENTURYEach old cushion-shaped diamond in a pinched collet setting, diamonds very approx. 2.90cts total, length 1.6cmFor fu...

EMERALD AND DIAMOND PENDANT NECKLACEThe navette-shaped pendant set with an octagonal step-cut emerald between two old cushion-shaped diamonds, sus...

DIAMOND RINGThe brilliant-cut diamond between baguette-cut diamond looped shoulders, principal diamond approx. 1.90cts, ring size approx. LFor fur...

BLUE TOPAZ PENDANTFacetted blue topaz suspended from a spectacle-set rose-cut diamond chain, length of pendant 4.9cm, length of chain 61.0cmFor fu...

GILAN: RUBY AND DIAMOND NECKLACEThe pear-shaped cabochon ruby within a radiating surround of marquise diamonds, to a knife bar necklace set throug...

DIAMOND EARSTUDSEach set with a brilliant-cut diamond, diamonds approx. 2.00cts eachFor further information on this lot please visit Bonhams.com

JACOB & CO.: CULTURED PEARL AND GEM-SET BUTTERFLY RINGComposed of stylised flowers and insects, set with cultured pearls, cultured pearls of golde...

SAPPHIRE AND DIAMOND BANGLE, CIRCA 1890The hinged bangle set with oval-cut sapphires and old cushion-shaped diamonds, inner circumference approx. ...

SAPPHIRE AND DIAMOND CLUSTER EARRINGSEach oval-cut sapphire, weighing 3.35 carats and 4.05 carats within a surround of old-brilliant cut diamonds,...