AN ENAMEL AND DIAMOND PANSY PENDANT/BROOCH The polychrome enamel pansy, centrally-set with an old brilliant-cut diamond, suspension loop and pin f...

AN EARLY 20TH CENTURY OPAL AND DIAMOND PENDANT/BROOCH The oval cabochon opal, set with old brilliant-cut diamond trefoil quarters, suspension loop...

AN EARLY 20TH CENTURY NATURAL PEARL AND DIAMOND PENDANT The semi-baroque pearl drop, measuring 11.1-12.4 x approximately 18mm, suspended from a ta...

A DIAMOND AND EMERALD TARGET CLUSTER RING The brilliant-cut diamond centre millegrain-set within an octagonal two tier surround of calibré-cut eme...

AN EARLY 20TH CENTURY DIAMOND THREE-STONE BROOCH Designed as three graduated old brilliant-cut diamonds in six-claw settings, mounted on a knife-e...

A BLACK OPAL AND DIAMOND PENDANT The oval opal claw-set within a pierced surround set with brilliant-cut diamonds, suspended from a fancy-link cha...

A GLASS, ENAMEL AND DIAMOND BRACELET, BROOCH AND EARRING SUITE, BY LALIQUE, CIRCA 1905-10 The bracelet of curved lattice design, set with carved g...

AN EMERALD AND DIAMOND DRESS RING The circular cabochon emerald, within a single-cut diamond openwork surround and similarly-set tapered shoulders...

AN EMERALD AND DIAMOND-SET NECKLACE The curb-link chain, set to the front with three oval links, each centrally-set with an oval cabochon emerald,...

AN EMERALD AND DIAMOND RING Collet-set with an oval-cut emerald, within a brilliant-cut diamond-set frame, between similarly-cut diamond-set shoul...

A DIAMOND ETERNITY RING Channel-set with a continuous row of princess-cut diamonds (Dimensions: Ring size: M)(Ring size: M) ...[more]

A TSAVORITE GARNET AND DIAMOND LINE BRACELET Channel-set with alternating princess-cut diamond two-stone and tsavorite garnet five-stone sections ...

AN ONYX, CHRYSOPRASE AND DIAMOND CROSSOVER RING, CIRCA 1960S One terminal set with a square-shaped onyx, the other with a sugarloaf cabochon chrys...

A SET OF THREE GEM-SET STACKING RINGS Each designed as a stylised tulip, set with a brilliant-cut diamond and circular-cut sapphire, emerald or ru...

A RUBY AND DIAMOND CLUSTER RING The oval-cut ruby collet-set within a heart-shaped plaque set with brilliant-cut diamonds (Dimensions: Ring size: ...

A DIAMOND AND GEM-SET BASKET BROOCH The openwork basket with tiered foot, accented with brilliant-cut diamonds, issuing a bouquet of marquise and ...

A GEM-SET NECKLACE AND BRACELET SUITE The bracelet set with alternating cut-cornered square links set with black mother-of-pearl panels, inlaid wi...

A RUBY BEAD AND GEM-SET SAUTOIR The long cable-link chain accented at intervals with ruby beads, between spectacle-set circular-cut white topaz, s...

A PAIR OF DIAMOND AND ONYX EARRINGS Each designed as an oval cluster of marquise and princess-cut diamonds, within an onyx circlet and brilliant-c...

A RUBY AND DIAMOND DRESS RING The brilliant-cut diamond floral cluster within a calibré-cut ruby border, to an pierced surround and shoulders set ...

A PAIR OF RUBY AND DIAMOND PENDENT EARRINGS Each pierced oval plaque set with brilliant-cut diamonds, within a calibré-cut ruby surround, to an al...

A DIAMOND LEAF BROOCH Pavé-set throughout with brilliant-cut diamonds, to a central tapered line and stem set with baguette-cut diamonds, maker's ...

A CULTURED PEARL AND DIAMOND PENDANT AND EARRINGS, BY MAPPIN & WEBB Each 8.2-8.6mm cultured pearl within a brilliant-cut diamond surround, mounted...

AN ENAMEL AND DIAMOND DRESS RING Composed of three graduated baguette and brilliant-cut diamond clusters, the centre within a red enamel surround ...

A DIAMOND 'TOI ET MOI' RING Of crossover design, each old brilliant-cut diamond terminal with a single-cut diamond shoulder (Dimensions: Ring size...

A DIAMOND DRESS RING Designed as a flower, the pavé-set brilliant-cut diamond petals centring on a brilliant-cut diamond five-stone cluster (Dimen...

A YELLOW SAPPHIRE AND DIAMOND RING Set with a step-cut sapphire, weighing 20.60 carats, to an openwork gallery and shoulders accented with brillia...

PLEASE NOTE ONLINE BIDDING WILL NOT BE ACCEPTED FOR THIS LOT. PLEASE CONTACT info@lyonandturnbull.com SHOULD YOU WISH TO BID BY TELEPHONE OR ABSEN...

AN ART DECO EGYPTIAN REVIVAL DIAMOND AND GEM-SET BROOCH, CIRCA 1925 Of winged design, the central tapered section inset with old brilliant-cut dia...

AN EMERALD AND DIAMOND TARGET CLUSTER RING The collet-set old brilliant-cut diamond, within an octagonal surround set with lines of calibré-cut em...

A DIAMOND SINGLE-STONE RING The pear-shaped diamond claw-set between slightly graduated brilliant and single-cut diamond three-stone shoulders (Di...

AN ART DECO FROSTED ROCK CRYSTAL, ONYX AND DIAMOND BROOCH, CIRCA 1925 The elongated octagonal frosted rock crystal frame, mounted at each end with...

AN ART DECO SAPPHIRE AND DIAMOND JABOT PIN, 1930S Of stylised arrow design, the tail set with a central line of calibré-cut sapphires, between old...

A RUBY RING, BY BOIVIN The oval cabochon ruby, set within a tapered gold band with reeded shoulders, maker's mark RB, French assay mark (Dimension...

A PAIR OF DIAMOND AND GEM-SET BROOCHES, BY BOIVIN, 1938 Each designed as a curled leaf, one set with old brilliant-cut diamonds, the other accente...

A RUBY AND DIAMOND BRACELET, 1940S Of openwork fancy-link design, accented with cabochon ruby five-stone crescents, calibré-cut ruby lines and pav...

A RUBY AND DIAMOND THREE-STONE RING The oval-cut ruby, weighing 1.26 carats, between old cushion-shaped diamonds Accompanied by a report from Gemm...

A DIAMOND DRESS RING Designed as a tapered wirework spray with old brilliant and single-cut diamond finials, wrapped with ropetwist bands set with...

A MID 20TH CENTURY SAPPHIRE AND DIAMOND BROOCH, BY FRINGHIAN Designed as a stylised foliate cluster, set throughout with circular-cut sapphires, t...

A BRACELET, BY MELLERIO WITH A GEM-SET PENDANT, CIRCA 1950S The fancy-link bracelet of alternating textured oval links and polished reeded connect...

A MECHANICAL BELT, MODEL R8SC MARK II, BY ROLAND ITEN Set with three brilliant-cut diamonds, black stainless steel and titanium and rose gold, wit...

AN 18CT WHITE GOLD 'HAPPY DIAMOND' WRISTWATCH, BY CHOPARD 5089, black border with ten floating collet-set brilliant-cut diamonds, dusted effect ce...

A SAPPHIRE AND DIAMOND DRESS RING The central brilliant-cut diamond within a scalloped openwork surround, set with calibré-cut sapphires and brill...

A SAPPHIRE AND DIAMOND DOUBLE LINE BRACELET Composed of twin rows of alternating square-cut sapphire four-stone and princess-cut diamond two-stone...

A PAIR OF SAPPHIRE AND DIAMOND CUFFLINKS Each oval plaque set with alternating lines of calibré-cut sapphires and brilliant-cut diamonds, to chain...

A SAPPHIRE AND DIAMOND BROOCH Of rounded lozenge outline, the central brilliant-cut diamond within a calibré-cut sapphire surround, with single an...

A SAPPHIRE LINE BRACELET Box-set with alternating oval or cushion-shaped sapphires and circular-cut colourless sapphires, to an engraved gallery A...

A PAIR OF DIAMOND PENDENT EARRINGS Each designed as a shaped plaque set with a central baguette-cut diamond line, accented by a millegrain-set bri...

A DIAMOND BROOCH, FIRST HALF OF THE 20TH CENTURY Centrally-set with three baguette-cut diamonds, between openwork sides set with old brilliant and...

A PAIR OF SAPPHIRE AND DIAMOND PENDANT EARRINGS Each centrally-set with an oval-cut sapphire, weighing 3.00 and 3.29 carats respectively, suspendi...

A PAIR OF DIAMOND EARRINGS Each of ribbon scroll design, set throughout with brilliant, single and baguette-cut diamonds, clip fittings (Dimension...

A DIAMOND BRACELET, 1940S Composed of openwork tapering scrolling links and a central stylised floral motif, set throughout with brilliant and bag...

AN OPAL AND DIAMOND PENDANT The oval cabochon opal claw-set within a brilliant-cut diamond surround, to an openwork suspension loop, suspended fro...

A DIAMOND-SET NECKLACE, BY FOPE Designed as a brick-link rope, accented with brilliant-cut diamond-set circlets, suspending a similarly-designed d...

A PERIDOT AND DIAMOND-SET PENDANT AND EARRING SET Each of curved shield-shaped design of brushed and polished finish, collet-set at the base with ...

A CITRINE AND DIAMOND RING, BY PASCAL The navette-shaped citrine to a brilliant-cut diamond surround and shoulders, mounted in 18ct gold, signed P...

A RUTILATED QUARTZ BROOCH, BY JOHN DONALD, 1970 The faceted rutilated quartz, set within a textured surround of radiating square 18ct gold tubes, ...

AN AMETHYST AND TURQUOISE BROOCH, BY JOHN DONALD, 1965 The central oval-cut amethyst, within an abstract border of radiating textured round 18ct g...

A PAIR OF AMETHYST EARRINGS, BY JOHN DONALD, 1973 Each oval-cut amethyst within an 18ct gold half surround of pierced and hammered finish, post fi...

A PAIR OF EARRINGS, 1960S Of domed openwork design, composed of tri-coloured abstract textured cubes, post fittings, unmarked, in a John Donald ca...