CULTURED PEARL AND DIAMOND BROOCHThe openwork plaque of geometric design set throughout with old brilliant-cut diamonds and three central 9.6mm to...

H. STERN: TOPAZ NECKLACE AND EARRING SUITEThe omega-link collar suspending an oval-cut orange topaz pendant, the clasp set with a brilliant-cut di...

CARTIER: DIAMOND RINGOf bombé design, centrally set with an oval-cut diamond, within a pavé-set brilliant-cut diamond surround, mounted in 18 cara...

DIAMOND CLUSTER RING AND TWO DIAMOND-SET HINGED BANGLES1st: Set throughout with brilliant-cut diamonds, 2nd: Set with brilliant-cut diamonds, moun...

ELSA PERETTI FOR TIFFANY: SILVER 'AEGEAN' NECKLACEDesigned as a series of undulating, polished silver links, signed Tiffany & Co., Elsa Peretti, ...

CARTIER: BICOLOURED DIAMOND-SET RINGOf reeded design, mounted in 18 carat yellow and white gold, signed Cartier, numbered, Swiss assay mark, Euro...

CARTIER: DIAMOND-SET RINGOf braided design, partially pavé-set with brilliant-cut diamonds, mounted in 18 carat yellow gold, signed Cartier, numb...

OPAL AND DIAMOND CLUSTER RINGThe oval cabochon opal in a surround of single-cut diamonds, ring size approx. QFor further information on this lot ...

DIAMOND DOVE BROOCH/PENDANT, CIRCA 1890Set throughout with cushion-shaped diamonds, accented by circular cabochon ruby eyes, mounted in silver and...

JADE AND DIAMOND BROOCHThe carved openwork plaque with foliate motifs, between single-cut diamond shoulders, length 4.5cmFootnotes:Accompanied b...

DIAMOND LINE BRACELETDesigned as an articulating series of box-set cushion and old brilliant-cut diamond links diamonds approx. 2.70cts total, len...

DIAMOND STAR BROOCH, CIRCA 1890Set throughout with cushion shaped and rose-cut diamonds, mounted in silver and gold, cushion shaped diamonds appro...

DIAMOND EARSTUDSSet with brilliant-cut diamonds, diamonds approx. 0.80ct totalFor further information on this lot please visit Bonhams.com ...[m...

DIAMOND-SET SPANIEL BROOCHSet throughout with brilliant and single-cut diamonds, with a cabochon ruby eye, diamonds approx. 1.70cts total, lengt...

BELLE EPOQUE RUBY AND DIAMOND BROOCH, CIRCA 1910Of openwork foliate design, millegrain set with circular-cut rubies and old brilliant and rose-cut...

DIAMOND ETERNITY RINGSet throughout with princess-cut diamonds, diamonds approx. 1.50cts total, partial UK hallmark, ring size approx. J For fur...

BULGARI: 'TONDO' PENDANT/NECKLACEThe bi-coloured pendant depicting an openwork Sagittarius motif, suspended from a leather necklace, signed Bulgar...

DIAMOND SINGLE-STONE RINGSet with a rectangular modified brilliant-cut diamond weighing 1.00 carat, mounted in platinum, London hallmark, ring siz...

ASPREY: RUBY AND DIAMOND-SET RING, 1994Set with brilliant-cut diamonds, opening to reveal a row of calibré-cut rubies in a concealed setting, moun...

DE VROOMEN: CULTURED PEARL, DIAMOND AND ENAMEL CHOKER, 1993The three rows of 7.3mm cultured pearls with a central plaque set with a mabé pearl and...

TIFFANY: AQUAMARINE AND DIAMOND EARRINGS, 2003Each brilliant-cut diamond-set surmount, suspending an oval-cut aquamarine, mounted in platinum, sig...

DIAMOND RINGCentrally set with a step-cut diamond, the surround and bifurcated shoulders set with brilliant and princess-cut diamonds, diamonds ap...

LAPIS LAZULI DRESS RINGSet with a rectangular lapis lazuli cabochon, within a polished mount of undulating design, maker's mark, French assay mar...

SCHLUMBERGER FOR TIFFANY: RUBY AND DIAMOND ETERNITY RINGSet throughout with duos of brilliant cut diamonds and circular-cut rubies, alternating wi...

PAIR OF GEM-SET CUFFLINKS, CIRCA 1900Single sided, each circular cabochon garnet within a coiled serpent surround, plaque length 1.2cmFor further ...

FANCY-LINK BRACELETThe links of geometric form, between polished and ropetwist spacers, indistinct assay marks, length 19.5cmFor further informati...

BULGARI: DIAMOND-SET COIN NECKLACECentrally set with an ancient Syrian coin in a brilliant-cut diamond surround, inscribed to the reverse 'Syria 5...

CARTIER: GEM-SET AND DIAMOND RING, 1990The oval sapphire cabochon within a brilliant-cut diamond surround, between carved chrysoprase leaves, one...

PENDENT EARRINGSEach surmount suspending a sphere, decorated throughout with bead and wirework of abstract textured design, length 5.5cmFor furt...

THREE GEM-SET BEAD NECKLACES1st: The graduated, faceted coral corrallium rubrum beads with alternating polished spacers, 2nd: The coral corrallium...

RUBY AND DIAMOND CLUSTER RINGThe oval-cut ruby within a surround of brilliant-cut diamonds between shoulders set with similarly-cut diamonds, moun...

RUBY AND DIAMOND RINGThe oval-cut ruby within a surround of baguette, brilliant and marquise-cut diamonds, diamonds approximately 0.95 carat total...

SAPPHIRE AND DIAMOND-SET FLORAL CLUSTER RING AND EARCLIP SUITEThe carved sapphire petals surrounding a central brilliant-cut diamond, with single-...

DAVID MORRIS: CULTURED PEARL AND DIAMOND-SET NECKLACEThe 8.5mm cultured pearls with polished spacers, on a pavé-set brilliant-cut diamond clasp, m...

DIAMOND CLUSTER EARRINGSSet throughout with brilliant-cut diamonds, diamonds approx. 2.56cts total, length 1.1cmFor further information on this l...

TIFFANY: RING, PANSY EARRINGS AND DIAMOND AND RUBY-SET FLOWER EARCLIPS,1st: of bombé form, the mount of reeded design, 2nd: each designed as a pan...

GRAFF: FLORAL DIAMOND NECKLACESet throughout with brilliant-cut and pear-shaped diamonds, mounted in 18 carat white gold, diamonds 2.22cts total, ...

GRAFF: PINK SAPPHIRE AND DIAMOND NECKLACESet with an oval and pear-shaped pink sapphire, weighing 3.08 carats total, with brilliant-cut diamond su...

DIAMOND SINGLE-STONE RINGThe step-cut diamond, weighing 1.28 carats, between pear-shaped diamond shoulders, ring size approx. K½Footnotes:Accompan...

DIAMOND SPRAY BROOCHSet throughout with marquise and brilliant-cut diamonds, diamonds approx. 15.25cts total, length 7.7cmFor further information...

RUBY AND DIAMOND-SET EARCLIPS, CIRCA 1950Each openwork foliate spray set with circular-cut rubies and brilliant-cut diamonds, length 4.2cmFor fur...

CHARLES DE TEMPLE: CITRINE BRACELET, 1978The step-cut citrines alternating with openwork hemispherical links, mounted in 18 carat gold, signed C d...

Minas Spiridis for Georg Jensen: ring, circa 1990Of polished bombé design, signed Minas Spiridis, Jensen maker's mark, numbered 1438, Dublin impor...

EMERALD AND DIAMOND-SET SERPENT NECKLACEThe torque necklace of sprung, bicoloured design, in the form of a coiled serpent, with pear-shaped emeral...

GRAFF: EMERALD EARRINGSSet throughout with pear and marquise-cut emeralds, mounted in 18 carat white gold, signed Graff, numbered39541, maker's ma...

GRAFF: EMERALD AND DIAMOND-SET BRACELETSet throughout with circular-cut emeralds, weighing 17.56 carats total, with a brilliant-cut diamond-set cl...

SAPPHIRE AND DIAMOND CLUSTER RING AND SAPPHIRE AND DIAMOND PENDANT/NECKLACE1st: The rectangular step-cut sapphire, within a surround of single-cut...

DIAMOND PLAQUE RINGThe openwork plaque set throughout with old brilliant-cut diamonds, diamonds approx. 0.90cts total, one diamond deficient, rin...

TURQUOISE, CULTURED PEARL AND DIAMOND-SET PENDENT EARCLIPSEach articulated foxtail lattice chain set with turquoise cabochons and rose and cushion...

DIAMOND AND PEARL BROOCH/PINOf scrolling design, set throughout with rose, single and cushion-cut diamonds, suspending three 3.7mm-6.1mm pearls, t...

GRAFF: SAPPHIRE AND DIAMOND 'BULLSEYE' EARRINGSEach with a central step-cut sapphire, weighing 2.25 carats total, within surrounds of concentric c...

GRAFF: SAPPHIRE AND DIAMOND 'BULLSEYE' RINGThe central step-cut sapphire, weighing 1.50 carats, within concentric circles of brilliant-cut diamond...

GRAFF: SAPPHIRE AND DIAMOND 'BULLSEYE' PENDANT/NECKLACEThe central step-cut sapphire, weighing 1.08 carats, within concentric circles of brilliant...

CARTIER: CULTURED PEARL 'DOLPHIN' NECKLACEThe 18 carat yellow gold dolphin with a circular-cut tsavorite garnet eye, on a strand of 7.0mm cultured...

SINGLE-STONE DIAMOND RINGThe old brilliant-cut diamond between single-cut diamond shoulders, principal diamond approx. 1.75cts, ring size approx...

FABERGÉ: ENAMEL AND DIAMOND EGG PENDANT,Decorated with royal blue guilloche enamel, with scrolling detail to the front set with brilliant-cut diam...

HATTIE RICKARDS: GEM-SET 'TUBE' RING, 2012Set with step-cut gemstones, including rubies, sapphires, garnets, topaz and amethyst, mounted in 18 car...

Bulgari: 'B.Zero1' ringThe polished 18 carat yellow and blackened gold band, signed Bulgari, maker's mark, UK hallmark, European convention mark, ...

GRAFF: SAPPHIRE AND DIAMOND 'ROSETTE' PENDANT/NECKLACESet with brilliant-cut diamonds, weighing 0.87 carat total, and clusters of circular-cut sap...

VHERNIER: CHALCEDONY 'BISQUIT' RING AND PAIR OF CHALCEDONY 'PLATEAU' EARCLIPS,The ring set with a cabochon chalcedony, each earclip of sculptural ...