CULTURED PEARL NECKLACE WITH SAPPHIRE AND DIAMOND-SET CLASPThe two rows of 7.5mm cultured pearls, on a clasp set with a cushion-shaped sapphire an...

DIAMOND SINGLE-STONE RINGThe brilliant-cut diamond, weighing 1.85 carats, ring size approx. K½Footnotes:AnchorCert: G colour, VS2 clarity. Report...

MOSHEH OVED: SILVER BIRD RING, CIRCA 1950Modelled as a bird in flight with gilded beak, engraved feathers, and ruby-set eyes, with hammered shank,...

TURQUOISE, SAPPHIRE AND DIAMOND EARCLIPS, CIRCA 1970Each turquoise cabochon within a brilliant-cut diamond and circular-cut sapphire surround, le...

DESIGNED BY LOUIS COMFORT TIFFANY FOR TIFFANY: MOONSTONE AND SAPPHIRE BROOCH, CIRCA 1920Of bicoloured openwork design, the oval moonstone cabochon...

DIOR: DIAMOND, GARNET AND PINK SAPPHIRE 'ROSE BAGATELLE' NECKLACEThe rose set with brilliant-cut diamonds, and circular-cut green garnets and pink...

TANZANITE AND DIAMOND CLUSTER RINGThe cushion-shaped tanzanite between half-moon diamond shoulders, bordered by brilliant-cut diamonds, tanzanite...

HERMÈS: 'CHAINE D'ANCRE' BRACELETOf anchor-linking, the T-bar clasp engraved '13 Nov 62', signed Hermés Paris, French assay marks, French workshop...

GIANMARIA BUCCELLATI: NEPHRITE NECKLACEThe fancy-linking necklace interspersed with nephrite links, signed Gianmaria Buccellati, length approx. 87...

SAPPHIRE AND DIAMOND RING, CIRCA 1950The cabochon sapphire, weighing 9.20 carats, within a surround of single-cut diamonds, to a reeded mount, ri...

GIANMARIA BUCCELLATI: BLISTER PEARL NECKLACE AND EARRING SUITEOf bicoloured wreath design, the engraved leaves alternating with blister pearl and ...

DIAMOND SINGLE-STONE RINGSet with a brilliant-cut diamond, diamond approx. 1.60cts, hoop splitFor further information on this lot please visit Bon...

DIAMOND TWO-STONE RINGSet with two old brilliant-cut diamonds, diamonds approx. 3.85cts total, ring size approx. MFor further information on this...

COLOURED DIAMOND AND DIAMOND PENDANT/NECKLACEThe pendant centrepiece articulated, set with brilliant, pear and oval-cut and cushion-shaped diamond...

DIAMOND SINGLE-STONE RINGSet with an old brilliant-cut diamond, weighing 4.22 carats, ring size approx. NFor further information on this lot pleas...

AMETHYST PENDANT/BROOCH, 19TH CENTURYThe circular buff-top amethyst within a tri-coloured gold border, later pin fitting, length 14.0cm, cased by ...

AMETHYST AND DIAMOND EARRINGSEach set with an octagonal-cut amethyst and cushion-shaped diamonds, diamonds approx. 4.20cts total, length 4.0cmFor...

DIAMOND CRESCENT BROOCH, CIRCA 1890Set with cushion-shaped and rose-cut diamonds, mounted in silver and gold, diamonds approx. 4.60cts total, Fren...

DIAMOND AND ENAMEL PENDANT/BROOCH, CIRCA 1815The bow surmount centrally set with a pear-shaped diamond, and old cushion and rose-cut diamond surro...

RUBY AND DIAMOND-SET BRACELETOf buckle design, set with cushion-shaped diamonds and rubies, on a mesh-link strap, length 15.5cm, weight approx. 60...

DIAMOND CLIP BROOCHES, CIRCA 1950Each of scrolling ribbon design, set with brilliant, old brilliant, baguette and square-cut diamonds, diamonds a...

AQUAMARINE, SAPPHIRE AND DIAMOND RINGThe octagonal, step-cut aquamarine, between geometric shoulders, set with baguette and square-cut sapphires, ...

DIAMOND SINGLE-STONE RINGThe brilliant-cut diamond, between baguette-cut diamond shoulders, principal diamond approx. 2.05cts, ring size approx. ...

DIAMOND DOUBLE-CLIP BROOCHOf interlocking, openwork design, set two old-cut pear-shaped diamonds, and brilliant and single-cut diamonds principal ...

DIAMOND SINGLE-STONE RINGThe old brilliant-cut diamond weighing 2.11cts, ring size approx. M½For further information on this lot please visit Bonh...

ART DECO DIAMOND BROOCH, CIRCA 1930Of geometric design, set with cushion, old brilliant and baguette-cut diamonds, diamonds approx. 6.65cts total...

DIAMOND SINGLE-STONE RINGSet with a cushion-shaped diamond, diamond approx. 2.40cts, ring size approx. NFor further information on this lot please...

PEARL AND DIAMOND PENDANT, 19TH CENTURYThe 19.4 x 15.7 x 11.0mm semi-baroque pearl, with scalloped mount to the reverse, suspended from the cushio...

DIAMOND SINGLE-STONE RINGThe brilliant-cut diamond, weighing 5.22 carats, mounted in platinum, UK hallmark, ring size approx. SFor further inform...

DIAMOND SINGLE-STONE RINGThe emerald-cut diamond, set East to West, weighing 3.02 carats, within a brushed mount, ring size approx. I Footnotes:Th...

DIAMOND LINE BRACELETSet with graduating baguette-cut diamonds, diamonds approx. 7.80cts total, length 16.5cmFor further information on this lot ...

DIAMOND SINGLE-STONE RINGThe brilliant-cut diamond, weighing 5.36 carats, mounted in platinum, UK hallmark, ring size approx. JFor further informa...

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

DIAMOND SINGLE-STONE RINGThe brilliant-cut diamond, between marquise-cut diamond shoulders, principal diamond approx. 2.35cts, ring size approx. N...

DIAMOND EARSTUDSBrilliant-cut diamonds weighing 3.01 and 3.00 caratsFor further information on this lot please visit Bonhams.com

CARTIER: DIAMOND 'DIANE' RINGThe step-cut diamond between shoulders set with carré-cut diamonds, diamond approx. 2.15cts, signed Cartier, numbere...

DIAMOND BROOCH, FIRST QUARTER OF 20TH CENTURYThe openwork plaque, set with old brilliant and single-cut diamonds, the central diamond weighing 2.3...

HARRY WINSTON: DIAMOND RINGThe octagonal step-cut diamond, weighing 4.01 carats, between obliquely-set shoulders, the band pavé-set throughout wit...

DIAMOND FLOWER BROOCH, CIRCA 1890Designed as a daisy, set with old brilliant and cushion-shaped diamonds, mounted in silver and gold, principal d...