DIAMOND AND CULTURED PEARL NECKLACE, BRACELET AND EARRING SUITEThe five strands of 3.0mm cultured pearls set with three flowerheads, pavé-set with...

SAPPHIRE AND DIAMOND EARRINGSEach oval-cut sapphire issuing a tiered flame of brilliant-cut diamonds, sapphires approximately 3.00 carats total, ...

DIAMOND EARCLIP AND RING SUITE, CIRCA 1960Each of bombé form, set with rows of alternating brilliant and baguette-cut diamonds, diamonds approxima...

SIMON G: PINK SAPPHIRE AND DIAMOND RINGThe cushion-shaped pink sapphire, weighing 5.50 carats, within a bicoloured collet-setting and raised openw...

DIAMOND NECKLACE, CIRCA 1955The frontispiece designed as a series of openwork clusters set with brilliant and baguette-cut diamonds, on a backchai...

GRAFF: DIAMOND BRACELETThe continuous series of collet-set brilliant-cut diamonds, suspending a heart-shaped diamond charm, brilliant-cut diamonds...

TABBAH: DIAMOND CROSSOVER RINGObliquely-set with two oval-cut diamonds, weighing 1.13 carats and 1.25 carats, between a spiralling band set with b...

WILLIAM GOLDBERG: DIAMOND SINGLE-STONE RINGThe Ashoka-cut diamond, weighing 5.03 carats, the mount and hoop set entirely with brilliant-cut diamon...

FANCY COLOURED DIAMOND AND DIAMOND PENDANT/NECKLACEThe oval-cut Fancy Intense Purplish Pink diamond, weighing 0.16 carat, within an openwork surro...

BOODLES: DIAMOND THREE-STONE RINGThe three step-cut diamonds, weighing 1.41, 1.45 and 1.41 carats, between brilliant-cut diamond shoulders, mounte...

DIAMOND BROOCH, CIRCA 1880-90Of openwork design with floral and foliate motifs, set throughout with cushion-shaped and old brilliant-cut diamonds,...

DIAMOND SINGLE-STONE RINGThe old brilliant-cut diamond, weighing 4.91 carats, within a six-claw setting, maker's mark JP, French assay mark, ring...

19TH CENTURY DIAMOND AND GEM-SET BUTTERFLY BROOCHThe circular-cut sapphire and old brilliant-cut diamond abdomen accented by circular-cut ruby eye...

NATURAL PEARL AND DIAMOND BROOCH, CIRCA 1890The 10.4mm x 12.30mm natural pearl drop suspended from a pair of cushion-shaped and old brilliant-cut ...

SUGARLOAF SAPPHIRE RING, CIRCA 1915The sugarloaf sapphire between engraved foliate shoulders, mounted in platinum, sapphire approximately 26.00 ca...

EMERALD CAMEO AND DIAMOND RING, FIRST HALF OF THE 20TH CENTURYThe emerald carved to depict the head of a bearded man facing forward, within a surr...

BELLE ÉPOQUE SAPPHIRE AND DIAMOND RING, CIRCA 1915The oval-cut sapphire, weighing 10.11 carats, within an engraved and pierced platinum mount with...

GÜBELIN AND GEORGES LENFANT: BELLE ÉPOQUE ENAMEL, SEED PEARL AND DIAMOND WATCH/PENDANT NECKLACE, CIRCA 1910The detachable oval pendant set with a ...

SAPPHIRE AND DIAMOND PENDANT EARRINGSEach articulating tassel drop set with baguette, brilliant and marquise-cut diamonds, accented by a step-cut ...

EMERALD, SAPPHIRE AND DIAMOND BROOCH, CIRCA 1925 AND LATERThe 'draw handle' surmount set with old brilliant and single-cut diamonds, calibré-cut a...

EMERALD AND DIAMOND RINGThe step-cut emerald, weighing 4.38 carats, between pentagonal-shaped diamond shoulders, ring size MFootnotes:Accompanied ...

ART DECO DIAMOND TASSEL BROOCH/PENDANT, CIRCA 1925The central tassel composed of highly articulating cascades of old brilliant and single-cut diam...

EMERALD AND DIAMOND PENDENT EARRINGSEach detachable pear-shaped emerald drop suspended from an articulating series of baguette and brilliant-cut d...

MAUBOUSSIN: TWO DIAMOND CLIP BROOCHES, CIRCA 1930Each of swirling circular design, claw and pavé-set with brilliant cut diamonds, accented by a ch...

ART DECO DIAMOND AND GEM-SET BRACELET, CIRCA 1935Designed as a series of articulated geometric plaques with pierced and openwork detail, set throu...

DIAMOND LEAF EARCLIPS, CIRCA 1965Each bombé stem pavé-set with brilliant-cut diamonds, issuing an openwork leaf set with baguette and brilliant-cu...

A DIAMOND TWO-STONE PENDANTThe brilliant-cut diamond, weighing 2.33 carats, suspending a similarly-cut diamond, weighing 5.03 carats, on an 18 car...

ART DECO DIAMOND BRACELET, CIRCA 1930Of openwork geometric design, set throughout with old brilliant, brilliant, single and baguette-cut diamonds,...

BOODLES: SAPPHIRE AND DIAMOND DRESS RINGThe cushion-shaped sapphire, weighing 9.75 carats, between trifurcated shoulders set with brilliant-cut di...

ART DECO TWO-ROW NATURAL PEARL AND DIAMOND NECKLACE, CIRCA 1925Each row of 3.6mm-7.2mm natural pearls, graduating in size from the centre, with a ...

PEARL AND DIAMOND NECKLACEThe woven seed pearl chain, with old brilliant and rose-cut diamond terminals, suspending a detachable brooch/pendant, p...

DIAMOND CLUSTER RINGThe old cushion-shaped diamond within a brilliant-cut diamond surround, between trifurcated shoulders, principal diamond appro...

BOIVIN: PEARL AND AMETHYST 'NAIL HEAD' BROOCH, CIRCA 1930The rectangular amethyst prism applied with a freshwater baroque pearl, between calibré-c...

NATURAL PEARL AND DIAMOND NECKLACE AND PENDENT EARRINGSThe forty-seven oval, barrel and bouton-shaped natural pearls of grey tint, suspending a 9....

LAPIS LAZULI-SET RING, FRENCH, CIRCA 1950The lapis lazuli cabochon in a raised setting, between bloomed shoulders, maker's mark RV, French assay m...

FANCY-LINK BRACELET, CIRCA 1940Designed as a continuous series of curved openwork plaques with bloomed links, French import marks, length 19.2cmFo...

FANCY-COLOURED DIAMOND SINGLE-STONE RINGThe Fancy Yellow cut-cornered square-cut diamond, weighing 5.48 carats, between trilliant-cut diamond shou...

DIAMOND AND RUBY RINGThe brilliant-cut diamond, weighing 1.00 carat, within a bombé mount of calibré-cut rubies in concealed settings, ring size J...

GOLD AND RUBY STRAP BRACELET, CIRCA 1940Of articulated 'fishscale' linking, inset with circular-cut rubies, with a buckle clasp pavé-set with circ...

EMERALD, OPAL, TOURMALINE AND DIAMOND DRESS RINGThe cushion-shaped emerald between triangular-cut tourmalines and curved sections of polished opal...

DIAMOND SINGLE-STONE RINGThe old brilliant-cut diamond, weighing 3.28 carats, between tapered baguette-cut diamond shoulders, ring size approx. M...

BOIVIN: AQUAMARINE AND DIAMOND RING, CIRCA 1935The step-cut aquamarine between pierced scrolling shoulders decorated with single-cut diamonds, mou...

AQUAMARINE AND DIAMOND PENDANT/CULTURED PEARL NECKLACE, CIRCA 1900The cushion-shaped aquamarine accented by old brilliant, single and rose-cut dia...

SAPPHIRE AND DIAMOND DRESS RING, CIRCA 1930The large cushion-shaped sapphire, weighing 26.32 carats, between millegrain-set single-cut diamond sho...

COLOUR CHANGE SAPPHIRE AND DIAMOND PENDANT, FIRST HALF OF THE 20TH CENTURYThe cushion-shaped colour-change sapphire, weighing 19.44 carats, withi...

A DIAMOND SINGLE-STONE RINGThe old cushion-shaped diamond, weighing 4.39 carats, within a four-claw setting, ring size JFor further information on...

DIAMOND NECKLACE: FIRST HALF OF THE 20TH CENTURYThe chain of old brilliant and rose-cut diamonds with four principal cushion-shaped diamonds at th...

DIAMOND PLAQUE RING, CIRCA 1820The navette-shaped plaque set with cushion-shaped diamonds, between bifurcated shoulders, mounted in silver and gol...

SAPPHIRE AND DIAMOND CLUSTER RING, 19TH CENTURY AND LATERThe central cushion-shaped sapphire within borders of rose and table-cut diamonds, ring s...

19TH CENTURY DIAMOND RIVIÈREComposed of sixty old brilliant-cut diamonds, the largest centre diamond, weighing 1.95 carats, mounted in silver and ...

DIAMOND PENDANT, CIRCA 1880The heart-shaped pendant with floral and foliate motifs, set throughout with cushion-shaped, old brilliant and rose-cut...

ATTRIBUTED TO GIUSEPPE KNIGHT: BELLE ÉPOQUE DIAMOND TIARA, CIRCA 1905Of highly stylised openwork floral design with central graduating garlands am...

AQUAMARINE CLIP BROOCHES, CIRCA 1935Of floral design, each set with pear-shaped and step-cut aquamarines, accented by collet-set single-cut diamon...

ART DECO AQUAMARINE AND DIAMOND RING, CIRCA 1935The octagonal step-cut aquamarine, weighing 12.07 carats, between tiered baguette-cut diamond shou...

ART DECO SAPPHIRE AND DIAMOND DRESS RING, CIRCA 1935The step-cut sapphire, weighing 6.77 carats, between baguette-cut diamond shoulders and channe...

ART DECO AQUAMARINE AND DIAMOND BRACELET, CIRCA 1930The octagonal plaques composed of bullet and shield-shaped aquamarines, accented by single-cut...

BELLE ÉPOQUE AQUAMARINE AND DIAMOND BROOCH, CIRCA 1905The large oval-cut aquamarine, set horizontally within a delicate border of old brilliant an...

NATURAL PEARL AND DIAMOND NECKLACE, CIRCA 1915 AND LATERThe cushion-shaped and rose-cut diamond links issuing a graduated series of pierced and si...

EARLY 20TH CENTURY NATURAL PEARL AND DIAMOND RINGThe natural pearl, measuring 8.0mm x 11.7mm, between single-cut diamond shoulders, on a delicate ...

SPINEL AND DIAMOND RINGThe oval-cut spinel, weighing 4.37 carats, between tapering shoulders set with baguette-cut diamonds, ring size QFootnotes...