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

CARTIER: EARRINGSThe bicoloured hoops of undulating design, signed Cartier, numbered, French assay marks, maker's marks, length 2.0cmFor further i...

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

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

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

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

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

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

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

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

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

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

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

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

AQUAMARINE RINGSet with a step-cut aquamarine, ring size approx. MFor further information on this lot please visit Bonhams.com ...[more]

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

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

TOURMALINE AND DIAMOND RINGThe rectangular cushion-shaped tourmaline obliquely set between brilliant-cut diamond shoulders, diamonds approx. 0.60c...

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

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...

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

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

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

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

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

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

DIAMOND PENDANT NECKLACESet 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 RINGThe 12.0mm cultured pearl within a double surround of brilliant-cut...

DIAMOND PENDENT EARRINGSEach suspending a rose-cut diamond slice within a brilliant-cut diamond surround, to a similarly-cut diamond surmount, len...

RUBY AND DIAMOND RINGSet with an oval-cut ruby between pear-shaped diamond shoulders, ring size approx. R½Footnotes:Accompanied by a report from G...

DIAMOND CRESCENT BROOCHSet throughout with brilliant-cut diamonds, diamonds approx. 1.80cts total, length 3.1cmFor further information on this lot...

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

SAPPHIRE AND DIAMOND EARRINGSThe brilliant-cut diamond surmount of scroll design, set with brilliant-cut diamonds, suspending three oval-cut sapph...

DIAMOND ETERNITY RINGDesigned as a central row of baguette-cut diamonds between courses of brilliant-cut diamonds, diamonds approx. 5.00cts total,...

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

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

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

EMERALD, SAPPHIRE AND DIAMOND BRACELETOf geometric design, set with step-cut emeralds, sapphires and brilliant-cut diamonds, diamonds approx. 0.70...

COLLECTION OF SIX GEM-SET PENDANTS1st: A brilliant-cut diamond single-stone pendant, mounted in 18 carat white gold, 2nd: A brilliant-cut diamond ...

EMERALD AND DIAMOND NECKLACEThe scrolling frontispiece set throughout with oval-cut emeralds and single-cut diamonds, length 16.0cmFor further inf...

THREE DIAMOND RINGS1st: Pavé-set to the front with brilliant-cut diamonds and similarly-cut diamonds of yellow tint, 2nd: Set to the front with pr...

SAPPHIRE AND DIAMOND CLUSTER RING AND EARRING SUITE, AND A PAIR OF DIAMOND AND GEM-SET EARRINGS1st: The oval-cut sapphire within a surround of bri...

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

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

DIAMOND SINGLE-STONE RINGSet with an old brilliant-cut diamond, diamond approx. 1.80cts, ring size approx. M½For further information on this lot p...

DIAMOND BROOCH AND TWO GEM-SET BROOCH/PENDANTS, SECOND HALF OF THE 19TH CENTURY1st: Circa 1850, the quatrefoil bloodstone cabochon accented by ros...

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

EMERALD AND DIAMOND RINGThe central millegrain-set step-cut emerald, between similarly-set triangular-cut emeralds, between old brilliant-cut dia...

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

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

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

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

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

RUBY AND DIAMOND RINGSet to the front with alternating circular-cut rubies and brilliant-cut diamonds, ring size approx. P½For further information...

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

BRACELETOf ropetwist design, length 21.6cmFor further information on this lot please visit Bonhams.com ...[more]

DIAMOND NECKLACEOf spiral design, set to the front with brilliant-cut diamonds, diamonds approx. 4.40cts total, length 42.0cmFor further informati...

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

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

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