CARTIER: DIAMOND FANCY-LINK NECKLACE The bicoloured fancy-link chain, with alternating links set with brilliant-cut diamonds, one diamond deficie...

CARTIER: EARRINGS The bicoloured hoops of undulating design, signed Cartier, numbered, French assay marks, maker's marks, length 2.0cm For furth...

CARTIER: DIAMOND EARSTUDS Of foliate design, set with brilliant-cut diamonds, mounted in 18 carat gold, diamonds approx. 0.40cts total, signed Ca...

CHOPARD: 'HAPPY DIAMONDS' BRACELET The brick-link bracelet, set at intervals with glazed heart-shaped links revealing 'floating' brilliant-cut dia...

NOVELTY HORSE BROOCH, CIRCA 1960 Modelled as a galloping horse, with a ruby eye, partial maker's mark, rubbed and indistinct UK hallmark, lengt...

GRIMA: AGATE AND DIAMOND PENDANT NECKLACE, 1973-1974 The etched agate slice accented by brilliant and single-cut diamond shoulders, on a fancy-lin...

LAPIS LAZULI BRACELET, CIRCA 1970 Set with a central oval cabochon lapis lazuli, on an articulated baton strap, dent to one baton, length 17.0cm...

DIAMOND JARRETIÈRE BRACELET The textured woven strap with a buckle strap, decorated with brilliant-cut diamonds, diamonds approx. 0.70ct total, ...

MARCO BICEGO: DIAMOND NECKLACE, BRACELET AND EARRING SUITE The necklace composed of a trace-link chain, interspersed with textured and brilliant-c...

BOODLES: AQUAMARINE AND DIAMOND CLUSTER RING The central oval-cut aquamarine within an overlapping openwork surround set with brilliant-cut diamon...

ASPREY: GEM-SET NECKLACE AND BRACELET SUITE The fancy-link chain set with cushion-shaped aquamarines, topaz, amethysts and kunzites, the bracelet ...

AMETHYST RING AND EARRING SUITE Set with a cushion-shaped amethyst, the earrings en suite, ring size approx. M½, earrings 2.0cm (2) For further...

TANZANITE AND DIAMOND CLUSTER RING The rectangular-shaped tanzanite within a brilliant-cut diamond surround, to similarly-cut diamond shoulders, ...

BOODLES: AQUAMARINE AND DIAMOND PENDANT AND EARRING SUITE Set with a pear-shaped aquamarine and brilliant-cut diamonds, the earrings en suite, mou...

AQUAMARINE RING Set with a step-cut aquamarine, ring size approx. M For further information on this lot please visit Bonhams.com

THEO FENNELL: DIAMOND AND AQUAMARINE CROSS PENDANT Of cruciform design, with openwork heart and circular-shaped motifs, set throughout with brilli...

AMETHYST AND DIAMOND RING, 1997 Set with a step-cut amethyst, between tapered baguette-cut diamond shoulders, mounted in platinum, partial London...

TOURMALINE AND DIAMOND RING The rectangular cushion-shaped tourmaline obliquely set between brilliant-cut diamond shoulders, diamonds approx. 0.6...

AMETHYST AND DIAMOND RING Set with a step-cut amethyst between shoulders of brilliant-cut diamond clusters, mounted in 18 carat white gold, UK h...

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

THEO FENNELL: CITRINE AND YELLOW SAPPHIRE CLUSTER RING The oval checkerboard-cut citrine within tiered surrounds of circular-cut yellow sapphires,...

GIANCARLO MONTEBELLO: TOURMALINE AND DIAMOND RING The oval cabochon green tourmaline within a surround of brilliant-cut diamonds, accented by simi...

DE GRISOGONO: YELLOW BERYL AND ORANGE SAPPHIRE PENDANT The circular-cut pavé-set orange sapphire surmount suspending a briolette-cut yellow beryl ...

THEO FENNELL: TOPAZ AND DIAMOND PENDENT EARRINGS Each trilliant-cut yellow topaz suspending a brilliant-cut diamond and briolette-cut topaz drop, ...

AQUAMARINE AND WHITE SAPPHIRE PENDENT EARRINGS Each pear-shaped aquamarine suspending an oval-cut aquamarine, within a circular-cut white sapphire...

H. STERN: GEM-SET PENDANT NECKLACE, BRACELET, EARRINGS, AND RING The pendant with an amethyst surmount suspending a rose quartz, to a snake link c...

DIAMOND PENDANT NECKLACE Set with a princess-cut diamond within a radiating tapered baguette-cut diamond surround, the bezel and surmount set with...

CULTURED PEARL AND DIAMOND PENDANT NECKLACE AND CULTURED PEARL AND DIAMOND RING The 12.0mm cultured pearl within a double surround of brilliant-cu...

DIAMOND PENDENT EARRINGS Each suspending a rose-cut diamond slice within a brilliant-cut diamond surround, to a similarly-cut diamond surmount, l...

RUBY AND DIAMOND RING Set with an oval-cut ruby between pear-shaped diamond shoulders, ring size approx. R½ Footnotes: Accompanied by a report...

DIAMOND CRESCENT BROOCH Set throughout with brilliant-cut diamonds, diamonds approx. 1.80cts total, length 3.1cm For further information on this...

DIAMOND NECKLACE, EARRING AND RING SUITE Composed of alternating scroll and square links, with hanging drops set with brilliant-cut diamonds to th...

SAPPHIRE AND DIAMOND EARRINGS The brilliant-cut diamond surmount of scroll design, set with brilliant-cut diamonds, suspending three oval-cut sapp...

DIAMOND ETERNITY RING Designed as a central row of baguette-cut diamonds between courses of brilliant-cut diamonds, diamonds approx. 5.00cts tota...

DIAMOND BRACELET Set throughout with baguette and step-cut diamond links, accented by brilliant-cut diamonds, diamonds approx. 5.40cts total, le...

DIAMOND AND GEM-SET NECKLACE AND BRACELET SUITE Formed of articulated plaques, decorated with vari-cut sapphires, rubies, emeralds and brilliant-c...

RUBY, SAPPHIRE AND DIAMOND PENDANT The bombé mount of abstract design, set with alternating cabochon rubies and sapphires to the centre, intersper...

EMERALD, SAPPHIRE AND DIAMOND BRACELET Of geometric design, set with step-cut emeralds, sapphires and brilliant-cut diamonds, diamonds approx. 0....

COLLECTION OF SIX GEM-SET PENDANTS 1st: A brilliant-cut diamond single-stone pendant, mounted in 18 carat white gold, 2nd: A brilliant-cut diamond...

EMERALD AND DIAMOND NECKLACE The scrolling frontispiece set throughout with oval-cut emeralds and single-cut diamonds, length 16.0cm For further...

THREE DIAMOND RINGS 1st: Pavé-set to the front with brilliant-cut diamonds and similarly-cut diamonds of yellow tint, 2nd: Set to the front with p...

SAPPHIRE AND DIAMOND CLUSTER RING AND EARRING SUITE, AND A PAIR OF DIAMOND AND GEM-SET EARRINGS 1st: The oval-cut sapphire within a surround of br...

AQUAMARINE AND DIAMOND NECKLACE AND EARRINGS The necklace set with a central pear-shaped aquamarine within a surround of rose-cut diamonds, suspen...

OPAL AND DIAMOND CRESCENT BROOCH, CIRCA 1890 Set with graduated opal cabochons with rose-cut diamond accents, mounted in gold, length 6.3cm For ...

DIAMOND SINGLE-STONE RING Set with an old brilliant-cut diamond, diamond approx. 1.80cts, ring size approx. M½ For further information on this l...

DIAMOND BROOCH AND TWO GEM-SET BROOCH/PENDANTS, SECOND HALF OF THE 19TH CENTURY 1st: Circa 1850, the quatrefoil bloodstone cabochon accented by ro...

GEM-SET NECKLACE, CIRCA 1900 Set to the front with a circular-cut aquamarine between similarly-cut yellow sapphires and amethysts with knifewire d...

EMERALD AND DIAMOND RING The central millegrain-set step-cut emerald, between similarly-set triangular-cut emeralds, between old brilliant-cut di...

DIAMOND AND ENAMEL HORSE AND JOCKEY BROOCH, CIRCA 1890 The horse pavé-set with rose-cut diamonds, beneath a moving jockey decorated in blue and wh...

NATURAL PEARL AND DIAMOND RING The 9.8mm natural pearl with a single-cut diamond accent, within a surround of single-cut diamonds, ring size app...

DIAMOND SERPENT RING, LATE 19TH CENTURY Designed as a coiled serpent, the head set with an old brilliant-cut diamond and rose-cut diamond eyes, mo...

EMERALD AND DIAMOND SERPENT NECKLACE The torque necklace of sprung, bicoloured design, in the form of a coiled serpent, with pear-shaped emerald e...

RUBY AND DIAMOND RING The central cabochon ruby between brilliant-cut diamonds, diamonds approx. 0.90ct total, French assay mark, ring size appro...

RUBY AND DIAMOND RING Set to the front with alternating circular-cut rubies and brilliant-cut diamonds, ring size approx. P½ For further informa...

DIAMOND DRESS RING The central latticework design set with brilliant-cut diamonds, diamonds approx. 1.60cts total, ring size approx. N (leading e...

BRACELET Of ropetwist design, length 21.6cm For further information on this lot please visit Bonhams.com

DIAMOND NECKLACE Of spiral design, set to the front with brilliant-cut diamonds, diamonds approx. 4.40cts total, length 42.0cm For further infor...

DIAMOND BANGLE The centre of geometric design, set with brilliant-cut diamonds, the bangle hinged to one side, diamonds approx. 4.10cts total, i...

CULTURED PEARL AND DIAMOND PENDENT EARCLIPS Each circular surmount set with brilliant-cut diamonds, suspending a 9.4mm cultured pearl, diamonds a...

SAPPHIRE, RUBY, EMERALD AND DIAMOND NECKLACE Of foliate design, set with carved emeralds, rubies and vari-coloured sapphires, with brilliant-cut d...