A RUBELLITE TOURMALINE AND DIAMOND RING set with an oval cut rubellite tourmaline in a border of round brilliant cut diamonds, no assay marks, siz...

AN EMERALD, RUBY, SAPPHIRE AND DIAMOND BROOCH / PENDANT set with a pear shaped cabochon emerald of approximately 18.50 carats in a border of round...

A PAIR OF WATERMELON TOURMALINE AND DIAMOND DROP EARRINGS each comprising a diamond set top, suspending graduating rows of round brilliant cut dia...

JACOB & CO., A DIAMOND PENDANT NECKLACE the openwork pendant set throughout with round brilliant cut diamonds, the diamonds all totalling 5.2-5.4 ...

A MULTIGEM PANTHER RING designed as a coiled panther, set with square step cut rubies, emeralds and sapphires, round cut emeralds and an oval cut ...

A GREEN TOURMALINE AND DIAMOND PENDANT set with an octagonal step cut green tourmaline of 122.84 carats in a border of oval, marquise and pear cut...

A MULTIGEM AND ENAMEL PENDANT NECKLACE the detachable brooch / pendant set with a fancy cut citrine, oval cut lemon beryl, round brilliant cut dia...

CHIMENTO, A ROSE QUARTZ AND DIAMOND DRESS RING set with a fancy cut rose quartz accented by round brilliant cut diamonds, signed Chimento and numb...

VAN CLEEF & ARPELS, A VINTAGE CORAL AND DIAMOND BROOCH in 18ct yellow gold, the tapering bar set with a cabochon coral accented on each side by an...

A RUBY AND DIAMOND BRACELET set with nine octagonal step cut rubies in borders of round brilliant cut diamonds, connected by links set with furthe...

DAVID WEBB, A DIAMOND RING the band ring accented by geometric segments set with round brilliant cut diamonds, signed Webb, stamped PLAT 18K, size...

MARINA B, A PAIR OF TOURMALINE AND DIAMOND EARRINGS each set with a fancy cut green and pink tourmaline accented by round brilliant cut diamonds, ...

PALOMA PICASSO FOR TIFFANY & CO., A DIAMOND NECKLACE, 1980 comprising rows of fancy link chain, accented by caps set with round brilliant cut diam...

A TOPAZ AND DIAMOND RING set with an oval cut topaz of 15.52 carats in a border of pave set round brilliant cut diamonds, the bifurcated shoulders...

A DIAMOND AND ENAMEL LION BROOCH in yellow gold, designed as a lion, set with round brilliant and single cut diamonds and black enamel, no assay m...

A YELLOW SAPPHIRE AND DIAMOND RING set with an octagonal mixed cut yellow sapphire of approximately 7.85 carats, the gallery and shoulders set wit...

AN ART DECO DIAMOND AND SAPPHIRE BROOCH the oval pierced brooch set with an old cut diamond of approximately 0.60 carats, accented by old cut diam...

AN ANTIQUE CORAL AND DIAMOND PENDANT NECKLACE, EARLY 20TH CENTURY in platinum, the pendant designed as a series of bow motifs set with single cut ...

BOUCHERON, AN EMERALD RING in 18ct yellow gold, the fluted band set with a cabochon emerald, signed Boucheron Paris, French assay marks, size J / ...

MIA NARDI, A PAIR OF YELLOW SAPPHIRE, DIAMOND AND ENAMEL FLOWER EARRINGS each designed as a flower set with a round brilliant cut diamond in a clu...

AN ANTIQUE FRENCH ART NOUVEAU OPAL WYVERN BROOCH in 18ct yellow gold, designed as a wyvern with a round cabochon opal in its mouth, French maker's...

A RUBY AND DIAMOND BOMBE RING in 18ct yellow gold, the bombe face set with round cut rubies accented by round brilliant cut diamonds, the rubies a...

A PAIR OF EMERALD AND DIAMOND DROP EARRINGS each comprising a row of round cut emeralds in borders of round brilliant cut diamonds, the emeralds a...

CARTIER, A DIAMOND BAR BROOCH in platinum and yellow gold, set to the centre with an old step cut diamond accented by a row of carre cut diamonds,...

A BLACK OPAL AND DIAMOND RING set with a cabochon black opal of approximately 19.89 carats in a stylised mount accented by round brilliant cut dia...

A KUNZITE AND DIAMOND PENDANT NECKLACE the pendant set with an octagonal step cut kunzite of 25.12 carats within two rows of round brilliant cut d...

CARTIER, A VINTAGE RUBY, EMERALD AND DIAMOND BIRD BROOCH in 18ct yellow gold, designed as a bird perched on a branch, the head set with a row of r...

A SPINEL RING set with an oval cut spinel of approximately 3.02 carats, no assay marks, size M / 6.25, 4.5g. 

A CONVERTIBLE SAPPHIRE AND DIAMOND NECKLACE / PAIR OF CLIP BROOCHES comprising five rows of polished sapphire beads, accented by two detachable op...

A 4.23 CARAT DIAMOND RING set with a round brilliant cut diamond of 4.23 carats in a border of round brilliant cut diamonds, the bifurcated band s...

A RUBY AND SAPPHIRE LOCKET PENDANT the spherical pendant set with oval and round cabochon rubies and sapphires, opening to reveal three locket com...

A TURQUOISE, AMETHYST AND DIAMOND NECKLACE AND EARRINGS SUITE the necklace set with a row of graduating cabochon turquoise in borders of round cut...

TIFFANY & CO., A DIAMOND RING pave set with rows of round brilliant cut diamonds, signed Tiffany & Co., stamped IRID.PLAT. 18K, size M1/2 / 6.5, 1...

ANGELA CUMMINGS, A PAIR OF DIAMOND EARRINGS each in abstract design with a border of round brilliant cut diamonds, signed Cummings 1987, stamped 1...

A PAIR OF ANTIQUE DIAMOND, PEARL AND EMERALD FLOWER CLIP BROOCHES in yellow gold and silver, each designed as a flower set to the centre with a pe...

A PEARL AND DIAMOND RING set with a pearl of 9.8mm set with a rose cut diamond, the shoulders set with further rose cut diamonds, no assay marks, ...

AN ANTIQUE DIAMOND AND ENAMEL SNAKE BROOCH / PENDANT in yellow gold, designed as a coiled snake, the head set with a cluster of rose cut diamonds,...

A PAIR OF INDICOLITE TOURMALINE AND DIAMOND DROP EARRINGS each comprising an inverted pear cut diamond, suspending a pear cut indicolite tourmalin...

A BURMA NO HEAT RUBY AND DIAMOND THREE STONE RING set with an oval cut ruby of 1.06 carats accented on each side by a pear cut diamond, stamped PT...

A SAPPHIRE AND DIAMOND FEATHER BROOCH set with rectangular step cut sapphires and round cut diamonds, no assay marks, 5.3cm, 6.9g. 

LALAOUNIS, A COLLAR NECKLACE comprising a row of fancy links designed as stylised ram's horns, signed ilias LALAoUNIS, stamped 750, 41.0cm, 102.0g...

AN EMERALD, DIAMOND, SAPPHIRE, RUBY AND PLIQUE A JOUR ENAMEL DRAGONFLY BROOCH the tail set with a row of octagonal step cut emeralds accented by s...

A PAIR OF RUBY AND DIAMOND EARRINGS each comprising a domed section of invisibly set square step cut rubies, accented by rows of rectangular step ...

CHANEL, AN EMERALD AND DIAMOND RING in 18ct white gold, set with an oval cabochon emerald accented by princess cut diamonds, the diamonds all tota...

A PAIR OF DIAMOND EARRINGS each set with a spray of round brilliant cut diamonds, the diamonds all totalling 14.0-15.0 carats, no assay marks, 3.1...

VAN CLEEF & ARPELS, A LAPIS LAZULI AND DIAMOND RING set with two sections of fluted lapis lazuli, accented by three round brilliant cut diamonds, ...

HERMES, A PAIR OF CHAINE D'ANCRE CLIP EARRINGS in 18ct yellow gold and silver, each comprising a gold mariner link, signed Hermes Paris, French as...

AN ANTIQUE PEARL AND DEMANTOID GARNET BROOCH in yellow gold, designed as a lattice of pearls, accented by round cut demantoid garnets, no assay ma...

VAN CLEEF & ARPELS, A DIAMOND AND MULTIGEM RING in 18ct yellow gold, comprising a row of alternating round cut sapphires, rubies and emeralds, acc...

A GREEN TOURMALINE AND DIAMOND NECKLACE set with a cushion cut green tourmaline of approximately 5.64 carats accented by round brilliant cut diamo...

AN ANTIQUE GREEN PASTE, DIAMOND AND PEARL PENDANT in yellow gold and silver, set with a pear shaped green paste in a border of rose cut diamonds s...

POMELLATO, A ROCK CRYSTAL AND DIAMOND DRESS RING set with a fancy cut rock crystal of approximately 22.46 carats accented by round brilliant cut d...

A DIAMOND AND TSAVORITE SNAKE NECKLACE the body comprising scales set with tapered baguette and round brilliant cut diamonds, the head set with ro...

TIFFANY & CO., A DIAMOND AND ENAMEL PANSY BROOCH / PENDANT designed as a pansy decorated with black enamel, set with an old European cut diamond, ...

A GARNET AND DIAMOND THREE STONE RING set with a cushion cut garnet of 2.35 carats accented on each side by a baguette cut diamond, inscribed 2.35...

A RUBY AND DIAMOND BRACELET set throughout with oval cut rubies accented by round brilliant cut diamonds, the rubies all totalling 23.0-25.0 carat...

A DIAMOND PLAQUE BROOCH the openwork brooch set throughout with transitional and single cut diamonds, the diamonds all totalling 4.0-5.0 carats, n...

AN EMERALD AND DIAMOND RING set with an octagonal step cut emerald of 23.45 carats in a border of round brilliant cut diamonds, the shoulders set ...

A CHINESE CARVED JADEITE JADE, PEARL AND GOLD BEAD NECKLACE comprising Chinese carved jadeite jade beads spaced by textured gold beads, the clasp ...

BULGARI, A CEYLON NO HEAT SAPPHIRE AND DIAMOND RING set with an oval cut sapphire of approximately 10.68 carats, accented by marquise cut diamonds...