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

DIAMOND LINE BRACELETBrilliant-cut diamonds, mounted in 18 carat white gold, diamonds approx. 9.00cts total, UK hallmark, length 18.0cmFootnotes:P...

DIAMOND CLUSTER EARRINGSBrilliant-cut diamonds, mounted in 18 carat white gold, diamonds 2.02cts total, UK hallmark, length 1.1cmFor further infor...

DIAMOND-SET COLLAROf articulated linking, set to the front with brilliant-cut diamonds, diamonds approx. 1.75cts total, length 38.0cmFor further i...

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...

DIAMOND AND HEMATITE BRACELETAlternating oval hematite and brilliant-cut diamond-set links, diamonds approx. 4.50cts total, length 20.0cmFor furth...

PIAGET: DIAMOND-SET DRESS WATCHThe bezel set with brilliant-cut diamonds, to an integrated textured strap, diamonds approx. 0.70ct total, signed P...

TIFFANY: 'METRO' DIAMOND BANGLEPavé-set to the front with three-rows of brilliant-cut diamonds, mounted in 18 carat gold, diamonds approx. 1.09cts...

FABERGÉ: ENAMEL AND DIAMOND PENDENT NECKLACE AND EARRINGSThe egg pendant decorated with blue and green guilloché enamel and brilliant-cut diamonds...

SANTA LOMAS: SAPPHIRE AND DIAMOND RINGThe cushion-shaped sapphire weighing 6.18 carats, between fancy-cut diamond shoulders, mounted in platinum, ...

SAPPHIRE AND DIAMOND BRACELETAlternating oval-cut sapphires and brilliant-cut diamonds, diamonds approx. 1.20cts total, length 17.8cmFootnotes:Ple...

FANCY YELLOW DIAMOND RINGThe Fancy Intense Yellow cushion-shaped diamond weighing 1.07 carats, mounted in platinum, UK hallmark, ring size approx....

CARTIER: 'LANIÈRES' BRACELETDesigned as a continuous series of box-link settings, signed Cartier, French workshop mark, numbered, Swiss assay mar...

CARTIER: 'LANIÈRES' BRACELETDesigned as a continuous series of box-link settings, signed Cartier, French workshop mark, numbered, Swiss assay mark...

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

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

CARTIER: 'LOVE' BANGLEThe 18 carat gold bangle with screwhead motifs, signed Cartier, numbered, Swiss assay mark, European convention mark, inner ...

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

SAPPHIRE AND DIAMOND BRACELETAlternating brilliant-cut diamond and calibré-cut sapphire links, diamonds approx. 5.25cts total, length 19.0cmFor fu...

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

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

CARVED SAPPHIRE PENDANT/NECKLACEThe sapphire carved as a parrot perched upon a branch, suspended from a trace-link chain, lengths: pendant 3.0cm,...

COLOUR-CHANGE SAPPHIRE AND DIAMOND RINGThe cushion-shaped colour-change sapphire between trios of brilliant-cut diamonds, sapphire approx. 10.70ct...

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

DIAMOND LINE BRACELETPrincess-cut diamonds, approx. 8.50cts total, length 16.4cmFor further information on this lot please visit Bonhams.com

DIAMOND PENDENT EARRINGS, CIRCA 1950Each old brilliant-cut diamond suspending a series of articulated baguette and old brilliant-cut diamonds, dia...

CHARLES DE TEMPLE: CULTURED PEARL AND DIAMOND-SET PENDANT/NECKLACE 1972-73The baton links of textured boule decoration, suspending a cultured pear...

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

BOODLES: TOURMALINE AND DIAMOND 'CASTAWAY' BROOCH, 2006The buds composed of pear-shaped pink tourmaline, to brilliant-cut diamond stems, mounted ...

RUBY AND DIAMOND LINE BRACELETAlternating oval-cut rubies and brilliant-cut diamonds, diamonds approx. 1.20cts total, length 17.8cmFootnotes:Plea...

RUBY AND DIAMOND EARRINGSMarquise-cut rubies and brilliant-cut diamonds, diamonds approx. 4.65cts total, length 3.1cmFor further information on th...

DIAMOND PENDANT NECKLACEThe articulated row of brilliant, square, oval, step and fancy-cut diamonds, mounted in 18 carat white gold, to a belcher-...

CARTIER: DIAMOND 'LANIÈRES' BRACELETDesigned as a continuous series of brilliant-cut diamonds, each to a box-link setting, diamonds approx. 1.70ct...

CARTIER: DIAMOND 'LANIÈRES' BRACELETDesigned as a continuous series of brilliant-cut diamonds, each to a box-link setting, diamonds approx. 1.70ct...

VAN CLEEF AND ARPELS: DIAMOND DRESS RINGDesigned as a bow, pavé-set to the front with brilliant-cut diamonds, signed VCA France, numbered, French ...

PIAGET: DIAMOND-SET NECKLACEBrilliant-cut diamonds, mounted in 18 carat gold, signed Piaget, numbered, European convention mark, Swiss assay mark,...

CARTIER: ENAMEL BRACELETOf openwork design, with blue guilloché enamel, signed Cartier, numbered, length 19.0cmFor further information on this lot...

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-cut diamond surround, sapphire very approx. 3.30cts, diamonds approx. 2....

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

ENAMEL AND SEED PEARL SOUVENIR BRACELET, CIRCA 1860Designed as a folded book with blue enamel decoration and engraved foliate motifs, the spine ac...

ENAMEL AND DIAMOND BANGLE, MID-19TH CENTURYOf racing and equestrian interest, the hinged bangle with a central banding of brown guilloché enamel, ...

REVERSE INTAGLIO BRACELET, CIRCA 1865Of racing and equestrian interest, the rock crystal cabochon depicting a scene of a horse and its rider, set ...

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

NATURAL PEARL NECKLACEFour rows of 3.4-5.7mm natural pearls, to a rectangular pearl-set clasp, length of shortest strand 36.5cmFootnotes:The Gem &...

ENAMEL, SEED PEARL AND HAIRWORK MEMORIAL MINIATURE, CIRCA 1790-1800Painted in sepia watercolour on ivory to depict a lady in mourning beside a fun...

AMETHYST AND TURQUOISE PENDANT AND A GEM-SET CLASP, CIRCA 18301st: The pendant centred by an oval-facetted amethyst to a surround of gold cannetil...

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

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

AMETHYST EARRINGS AND BROOCH SUITEEach oval-cut amethyst bordered by gold forget-me-not flowers and granulation work, lengths: earrings 2.8cm, bro...

CARLO GIULIANO: ENAMEL AND GEM-SET PENDANT/NECKLACE, CIRCA 1880Of openwork design, centred with a cushion-shaped topaz, decorated throughout in po...

GOLD, PEARL AND DIAMOND BAR BROOCH, LATE 19TH CENTURYThe two circle motifs set with half pearls, each looped through by a rose-cut diamond-set kno...

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...

DIAMOND AND EMERALD RING AND A RUBY AND DIAMOND RING, 19TH CENTURY1st: Centred by a rose-cut diamond between similarly-cut diamonds, flanked by tw...

GOLD POSY RING, 18TH CENTURYEngraved inscription on the interior, As now soe alwaies, ring size approx. J½ (hoop off-round)Footnotes:Provenance: ...

MRS NEWMAN: SAPPHIRE, DIAMOND AND ENAMEL PENDANT, CIRCA 1905The cushion-shaped sapphire within an openwork surround decorated with blue guilloché ...

DIAMOND EAGLE BROOCH, CIRCA 1890The brooch depicting the French Imperial Eagle, the feathers naturalistically textured and set with old-cut diamon...

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

NATURAL PEARL AND DIAMOND BROOCH, CIRCA 1935Old brilliant-cut diamonds and a 10.5mm-11.5mm natural pearl, diamonds approx. 3.60cts total, French i...

ART DECO DIAMOND BRACELET WATCH, CIRCA 1935The rectangular dial with Arabic numerals, within a single-cut diamond bezel, between step-cut diamond ...