A DIAMOND LINE NECKLACE in 18ct white gold, comprising a line of graduated round brilliant cut diamonds totalling 10.80 carats, stamped 750, 42.0c...

A PAIR OF DIAMOND AND WHITE AGATE HOOP EARRINGS in 18ct yellow gold, each comprising three interlocking hoops set with polished white agate and ro...

A CITRINE AND DIAMOND BRACELET in 18ct yellow gold, set with trios of octagonal step cut citrines accented by a row of round brilliant cut diamond...

A PINK DIAMOND DRESS RING in 18ct white gold, the wide band set with various cut pink diamonds all totalling 3.4-3.8 carats, no assay marks, size ...

A PAIR OF JADEITE JADE AND DIAMOND DROP EARRINGS in 18ct white gold, each earring designed as a geometric openwork design set with round brilliant...

A SAPPHIRE AND DIAMOND CRESCENT MOON NECKLACE in white gold, the pendant designed as a crescent moon set with oval cut sapphires and round brillia...

A SAPPHIRE AND DIAMOND RING in 18ct white gold, set with an oval cut sapphire of approximately 2.92 carats accented by a row of baguette cut diamo...

A SAPPHIRE LINE BRACELET in white gold, comprising a row of square step cut sapphires, the sapphires totalling 7.0-8.0 carats, no assay marks, 18....

A BURMA NO HEAT RUBY AND DIAMOND CLUSTER RING in 18ct white gold, set with a cushion cut ruby of approximately 3.0 carats in a cluster of round br...

REBECCA KOVEN, A PAIR OF BLUE CHALCEDONY EARRINGS in 18ct yellow gold, each set with a large round cabochon blue chalcedony within a stylised leaf...

TIFFANY & CO., A 0.92 CARAT SOLITAIRE DIAMOND ENGAGEMENT RING in platinum, comprising a round brilliant cut diamond of 0.92 carats in a six claw m...

A 2.05 CARAT DIAMOND HEART PENDANT NECKLACE in platinum, the pendant set with a heart brilliant cut diamond of 2.05 carats, suspended from a trace...

A FINE ANTIQUE DIAMOND AND DEMANTOID GARNET KNOT BROOCH, POSSIBLY RUSSIAN in 18ct yellow gold, set with an old cut diamond of approximately 0.90 c...

A PAIR OF CARVED EMERALD AND DIAMOND DROP EARRINGS in platinum, each set with a row of old and baguette cut diamonds suspending a carved emerald d...

CARTIER, AN ART DECO DIAMOND ARROW JABOT PIN in platinum, designed as an arrow, the arrow head set with a trillion and cushion cut diamond,the tai...

A FINE PAIR OF AMETHYST AND DIAMOND DROP EARRINGS in 18ct white gold, each set with a row of old cut diamonds suspending a briolette cut amethyst ...

BOUCHERON, A VINTAGE AMETHYST BRACELET in 18ct yellow gold, comprising a row of stylised gold links accented by polished amethyst beads, signed Bo...

A DIAMOND CHAIN SAUTOIR NECKLACE in platinum, comprising a trace chain accented by lover's knot motifs set with transitional cut diamonds, no assa...

A VINTAGE FRENCH GOLD CURB LINK BRACELET in 18ct yellow gold, comprising a row of plain curb links, French maker's mark, French assay marks, 20.0c...

VAN CLEEF & ARPELS, A MOTHER OF PEARL AND DIAMOND BUTTERFLY BROOCH in white gold, designed as a butterfly set with mother of pearl, accented by a ...

A FANCY INTENSE PURPLISH-PINK AND WHITE DIAMOND CLUSTER RING in platinum, set with a cushion cut pink diamond of 1.00 carat in a cluster of round ...

AN EMERALD AND DIAMOND CRESCENT MOON NECKLACE in yellow gold, the pendant designed as a crescent moon set with oval cut emeralds and round brillia...

A CEYLON NO HEAT SAPPHIRE RING in white gold, set with an octagonal step cut sapphire of approximately 8.75 carats, no assay marks, size N / 6.75,...

A FINE 8.36 CARAT UNHEATED RUBY AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cut unheated ruby of 8.35 carats in a stylised clust...

A DIAMOND CURB LINK BRACELET in 18ct white gold, comprising a row of curb links set with baguette cut diamonds all totalling 23.0-25.0 carats, sta...

A 5.55 CARAT DIAMOND SOLITAIRE RING in platinum, set with an old European cut diamond of 5.55 carats, stamped PT, size K1/2 / 5.5, 4.7g. 

A KUNZITE AND DIAMOND PENDANT in 18ct yellow gold, set with a pear shaped kunzite of 68.89 carats accented by round brilliant cut diamonds all tot...

A PAIR OF TURQUOISE EARRINGS in 18ct yellow gold, each set with a round cabochon turquoise of 18.0mm, stamped 750, 3.0cm, 14.2g. 

AN ANTIQUE DIAMOND AND SAPPHIRE CLUSTER RING in 18ct yellow gold, set with an old cut diamond of approximately 1.36 carats, in a cluster of square...

BOUCHERON, A VINTAGE CITRINE BRACELET in 18ct yellow gold, comprising a row of stylised gold links accented by polished citrine beads, signed Bouc...

DAVID WEBB, A VINTAGE DIAMOND BROOCH in 18ct yellow gold and platinum, the scrolling body pave set with sections of round brilliant cut diamonds, ...

A FINE VINTAGE EMERALD SNAKE NECKLACE in 18ct yellow gold, the head set with a round cabochon cut emerald on an articulated body, stamped 750, 48....

A RUBY AND DIAMOND PENDANT NECKLACE in 18ct white gold, comprising a row of round and oval cabochon rubies, accented by links set with clusters of...

A BURMA NO HEAT RUBY AND DIAMOND RING in 18ct white gold, set with a cushion cut ruby of 1.08 carats within a cluster of round brilliant cut diamo...

TIFFANY & CO, A DIAMOND JAZZ BRACELET in 18ct yellow gold, comprising a line of round brilliant cut diamonds totalling 3.60 carats, signed Tiffany...

A YELLOW SAPPHIRE, EMERALD AND DIAMOND NECKLACE in 18ct yellow gold and platinum, set with a cushion cut yellow sapphire drop of 22.00 carats susp...

AN EMERALD AND DIAMOND THREE STONE RING in 18ct yellow gold, set with an octagonal step cut emerald of 3.29 carats between two round brilliant cut...

A PAIR OF DIAMOND DROP EARRINGS in platinum, of articulated openwork geometric design, set throughout with old mine cut diamonds, terminated by ba...

AN UNHEATED PINK SAPPHIRE PENDANT NECKLACE in yellow gold, the pendant set with a heart shaped pink sapphire of approximately 4.07 carats, suspend...

AN ANTIQUE ART NOUVEAU FRENCH CONCH SHELL, DIAMOND AND PEARL RING in 18ct yellow gold, designed as a woman with long flowing hair which forms the ...

AN ANTIQUE DIAMOND EN TREMBLANT FLORAL BROOCH in 18ct yellow gold and silver, designed as a floral spray, the centre flower set en tremblant, set ...

A SAPPHIRE AND DIAMOND TIARA RING in 18ct yellow gold, set with a round cut sapphire of approximately 1.07 carats and a round brilliant cut diamon...

A PAIR OF DIAMOND AND PEARL DROP EARRINGS in 18ct white gold, each comprising a hoop set with round brilliant cut diamonds suspending a drop set w...

AN ANTIQUE ONYX AND ENAMEL MOURNING LOCKET PENDANT in 14ct yellow and rose gold, comprising an enamelled swan with its neck entwined around a cros...

AN ANTIQUE DIAMOND RING in 14ct yellow gold and silver, set with an old cut diamond of approximately 1.06 carats in a cluster of old cut diamonds,...