A PAIR OF DIAMOND DROP EARRINGS in white gold and platinum, each set with an old cut diamond suspending a larger old European cut diamond drop, th...

A DIAMOND AND CONCH PEARL AND DIAMOND PENDANT NECKLACE in platinum, the pendant comprising a circular motif set with round brilliant cut diamonds ...

VAN CLEEF & ARPELS, A MOTHER OF PEARL ALHAMBRA BRACELET in 18ct yellow gold, comprising five quatrefoil links set with mother of pearl, connected ...

CARTIER, A TURQUOISE AND SAPPHIRE FLOWER BROOCH, 1958 in 18ct yellow gold, designed as a flower set with a cabochon turquoise in a cluster of roun...

BULGARI, A FINE EMERALD AND DIAMOND RING, 1960 in 18ct yellow gold, set with a cabochon emerald of 3.37 carats, the shoulders accented by round br...

TIFFANY & CO., A DIAMOND CIRCLE BROOCH, 1940S in platinum, designed as an open circle set throughout with old European cut diamonds, the diamonds ...

A TSAVORITE GARNET AND DIAMOND RING in 18ct white gold, set with a cushion cut tsavorite garnet of 4.03 carats, the trifurcated band set throughou...

SOLANGE AZAGURY-PARTRIDGE, A REAL FAKE BLUE RING in 18ct white gold, designed as a cut gemstone relieved in blue plique a jour enamel, SA-P maker'...

SOLANGE AZAGURY-PARTRIDGE, A PAIR OF 'GEORGIAN' SAPPHIRE BLUE EARRINGS in 18ct white gold, each set with a cabochon sapphire suspending a series o...

A FINE ANTIQUE DIAMOND NECKLACE, EARLY 20TH CENTURY in platinum, comprising three laurel wreaths surmounted by bow motifs, each suspending an arti...

BULGARI, AN IMPORTANT STAR SAPPHIRE AND DIAMOND RING in platinum, set with a cabochon star sapphire of approximately 67.71 carats in a border of r...

A CORAL, ONYX AND DIAMOND BROOCH in white gold, the geometric brooch set throughout with round brilliant cut diamonds, accented by polished onyx a...

A FINE ART DECO DIAMOND AND SAPPHIRE RING in platinum, set with a square step cut diamond of approximately 3.40 carats, flanked by two pairs of sq...

CARTIER, AN ANTIQUE FRENCH SEED PEARL AND DIAMOND BRACELET in 18ct gold, comprising a lattice of seed pearls, accented by rectangular openwork spa...

A FINE ANTIQUE VICTORIAN DIAMOND FRINGE TIARA / NECKLACE, 19TH CENTURY in yellow gold and silver, comprising a graduating fringe set throughout wi...

AN IMPORTANT 8.18 CARAT BURMA NO HEAT RUBY AND DIAMOND RING in platinum, set with a cushion cut ruby of 8.18 carats in a border of round brilliant...

A 4.50 CARAT BURMA NO HEAT SAPPHIRE AND DIAMOND RING in 18ct white gold, set with an oval cut sapphire of 4.50 carats in a stylised cluster of rou...

A FINE DIAMOND PENDANT NECKLACE in 18ct white gold, the foliate style pendant comprising an articulated drop set with an old cushion cut diamond o...

A FINE BRAZILLIAN ALEXANDRITE AND DIAMOND RING in platinum, set with an oval cut alexandrite of 2.09 carats accented by pear cut diamonds, the dia...

TIFFANY & CO., A PAIR OF CORAL AND DIAMOND DROP EARRINGS, MID 20th CENTURY in 18ct white gold, each comprising three round brilliant cut diamonds ...

AN AUSTRIAN NEPHRITE JADE, CORAL AND DIAMOND WINTERBERRY HOLLY BROOCH in platinum, designed as a sprig of winterberry holly, comprising carved nep...

A FINE FRENCH ART DECO COLOMBIAN EMERALD AND DIAMOND BRACELET, CIRCA 1920 in platinum, set with three oval cabochon emeralds the largest measuring...

AN IMPORTANT AND EXCEPTIONAL PAIR OF EMERALD AND DIAMOND DROP EARRINGS in platinum, each in an ornate openwork design set throughout with round br...

AN IMPORTANT 10.27 CARAT SOLITAIRE DIAMOND RING in platinum, set with an Asscher cut diamond of 10.27 carats, flanked by two tapered baguette cut ...

VAN CLEEF & ARPELS, A VINTAGE RUBY AND SAPPHIRE BICYCLE BROOCH in 18ct yellow gold, designed as a lady riding a bicycle, her bag billowing behind ...

A DIAMOND FULL ETERNITY RING in 18ct white gold, set with a row of emerald cut diamonds, the diamonds totalling 4.4-4.6 carats, no assay marks, si...

VAN CLEEF & ARPELS, A PAIR OF DIAMOND LEAF BROOCHES in 18ct yellow and white gold, each designed as an openwork leaf, accented by a row of round b...

KUTCHINSKY, A MODERNIST ONYX PENDANT, 1975 in 18ct yellow gold, the circular pendant comprising a polished onyx with an applied stylised gold desi...

BULGARI, A PINK TOURMALINE RING in 18ct yellow gold, set with an oval cut pink tourmaline of approximately 2.15 carats, signed Bulgari and numbere...

A FINE COLOMBIAN EMERALD AND DIAMOND RING in 18ct yellow gold, set with an octagonal step cut emerald of approximately 15.58 carats in a cluster o...

TIFFANY & CO., A DIAMOND SIGNATURE NECKLACE in 18ct yellow gold, comprising three strands of fluted links, accented by round brilliant cut diamond...

A 2.11 CARAT SOLITAIRE DIAMOND RING in 18ct white gold, set with an emerald cut diamond of 2.11 carats in a flush set octagonal mount with a satin...

A MODERNIST DIAMOND BROOCH / PENDANT, 1970S in 18ct yellow gold, the textured body set with an old European cut diamond of approximately 1.85 cara...

CARTIER, A RUBY STELLA BAND RING in 18ct yellow gold, set with five round cut rubies, signed Cartier and numbered, French assay marks, size G1/2 /...

A BURMESE RUBY AND DIAMOND THREE STONE RING in platinum, set with an octagonal step cut ruby of 3.04 carats, flanked by two trapezoid cut diamonds...

A FINE ART DECO DIAMOND BROOCH in platinum, the openwork oval shaped body set throughout with old cut diamonds, the three principal diamonds weigh...

BULGARI, A DIAMOND PENDANT NECKLACE, BRACELET, EARRINGS AND RING SUITE in 18ct yellow gold, the pendant designed as a spray of rectangular links a...

CARTIER, A CITRINE AND DIAMOND RING, CIRCA 1940 in 18ct yellow gold, set with an oval cut citrine of approximately 10.07 carats accented by round ...

A SAPPHIRE AND DIAMOND BRACELET in platinum, comprising a row of oval cut sapphires and baguette cut diamonds, accented by rows of round brilliant...

A SAPPHIRE AND DIAMOND CLUSTER PENDANT in 18ct white gold, set with a cushion cut sapphire of 7.81 carats in a cluster of round brilliant cut diam...

A PAIR OF DIAMOND HOOP EARRINGS in 18ct white gold, each designed as a hoop set inside and out with a row of princess cut diamonds, the diamonds a...

AN IMPORTANT NATURAL FANCY VIVID PINK DIAMOND AND DIAMOND CLUSTER RING in platinum and 18ct rose gold, set with a radiant cut pink diamond of 0.95...

A DIAMOND NECKLACE in white gold and platinum, set with a row of round brilliant cut diamonds, the centre of the necklace designed as a tapering r...

A PAIR OF MABE PEARL AND DIAMOND CLIP EARRINGS in yellow gold, each set with a large mabe pearl of 20.5mm in an octagonal border of round brillian...

A VERY FINE RUBELLITE TOURMALINE AND DIAMOND RING in 18ct rose gold, set with an octagonal step cut rubellite tourmaline of approximately 20.32 ca...

GEORGES L'ENFANT, A BICOLOUR GOLD BRACELET, 1960S in 18ct yellow and white gold, comprising four rows of interlocking bicolour rope links, Georges...

TEMPLE ST. CLAIR, A PAIR OF TSAVORITE GARNET, DIAMOND AND MOONSTONE SNAKE DROP EARRINGS in 18ct yellow gold, each set with an oval cut tsavorite g...

A FINE UNHEATED 4.65 CARAT RUBY AND DIAMOND RING in platinum, set with an oval cut ruby of 4.65 carats, the shoulders set with single cut diamonds...