gemstone

DIAMOND SINGLE-STONE RING The old brilliant-cut diamond weighing 1.95 carats, ring size approx. V For further information on this lot please vis...

Honora; A Small Collection of Coloured Freshwater Pearl Drop Earrings, stamped "925", together with a pair of polished hardstone bead earrings st...

DIAMOND BROOCH Of annular design, set throughout with old brilliant-cut diamonds, diamonds approx. 12.20cts total, length 6.8cm For further info...

A Pair of Arizona Sleeping Beauty Turquoise Natural Cambodian Zircon Enamel Drop Earrings, stamped "925", a modern bangle, with inset beetle deta...

DIAMOND SINGLE-STONE RING The emerald-cut diamond, set East to West, weighing 3.02 carats, within a brushed mount, ring size approx. I Footnot...

AQUAMARINE AND DIAMOND PENDANT NECKLACE The cushion-shaped aquamarine, accented by brilliant-cut diamonds, aquamarine approx. 23.00cts, lengths...

AQUAMARINE AND DIAMOND BRACELET The octagonal-cut aquamarine, between brilliant-cut diamonds, on a fancy-link chain bracelet, aquamarine approx. ...

TANZANITE AND DIAMOND RING The oval-cut tanzanite, weighing 21.00 carats, within a brilliant-cut diamond surround, diamonds approx. 1.50cts total...

DIAMOND DOUBLE-CLIP BROOCH, CIRCA 1950 Of scrolling ribbon and foliate design, set with a central old brilliant-cut diamond, weighing 4.57 carats,...

CARTIER: DIAMOND HOOP EARRINGS Brilliant-cut diamonds, diamonds approx. 1.80cts total, signed Cartier, numbered, length 3.5cm, maker's pouch and ...

DIAMOND SINGLE-STONE RING The princess-cut diamond weighing 1.51 carats, between brilliant and princess-cut diamond shoulders, partial London ha...

Assorted Ladies and Gent's Wristwatches, Dalvey travel clock, vintage souvenir panel bracelet, polished hardstone and other bead necklaces, carve...

SPINEL AND DIAMOND RING The rectangular step-cut spinel set between tapered baguette-cut shoulders, ring size approx. J½ For further information...

DIAMOND AND PASTE STAR BROOCH/TIARA Of starburst design, set with rose-cut diamonds, detachable from the French-cut colourless paste frame, mounte...

DIAMOND BRACELET Highly articulated linking, set throughout with brilliant-cut diamonds, diamonds approx. 7.20cts total, length 18.5cm For furth...

DIAMOND-SET COLLAR NECKLACE The fancy-link collar, suspending a pendant set with cushion, single and rose-cut diamonds, diamonds approx. 1.25cts ...

DIAMOND BANGLE Hinged, set with brilliant and baguette-cut diamonds, diamonds approx. 5.05cts total, inner circumference approx. 17.1cm For furt...

DIAMOND, EMERALD AND RUBY-SET PHOENIX AND SNAKE RING The double-banded hinged ring, decorated with a brilliant-cut diamond and circular-cut ruby ...

DIAMOND SINGLE-STONE RING The cushion-shaped diamond weighing 4.34 carats, between diamond-set shoulders, French assay mark, ring size approx. K ...

ENAMEL AND GEM-SET SERPENT BRACELET, CIRCA 1845 The articulating serpent decorated with pink guilloché enamel, the head set with a trapezoid-cut e...

ANDRE MARCHA: AMETHYST, TOURMALINE AND DIAMOND BOMBÉ DRESS RING Pavé-set with circular-cut amethysts, pink tourmalines, and brilliant-cut diamond...

Gemporia; Sterling Silver Naturally Papaya and Lavender Cultured Pearl and White Topaz Earrings, the round papaya pearl suspending a claw set whi...

ANDRE MARCHA: CULTURED FRESH WATER PEARL AND GEM-SET EARCLIPS Each baroque-shaped cultured pearl beneath a leopard's paw, pavé-set with treated ci...

SAPPHIRE AND DIAMOND RING The oval-cut sapphire between trilliant-cut diamonds, sapphire approx. 5.50cts, diamonds approx. 2.00cts total, ring si...

VAN CLEEF & ARPELS: DIAMOND-SET 'FRIVOLE' RING Each flowerhead set with brilliant-cut diamonds, mounted in 18 carat gold, signed VCA, numbered, m...

A Gemporia Turquoise Two Row Bead Bracelet , a similar bead necklace, of graduated uniform design, an Aztec style panel necklace (parts detached),...

Beneden wettelijk gehalte gouden firmament ring, ca. 1800, bezet met zeven roosgeslepen diamanten (de centrale steen ca.. 6,8 x 7,2 mm) tegen een ...

EMERALD AND DIAMOND RING The oval-cut emerald set between tapered baguette-cut diamond shoulders, ring size approx. M (sizing spring) For furthe...

STAR SAPPHIRE AND DIAMOND BRACELET, CIRCA 1915 The star sapphire cabochon within a single-cut diamond surround, the strap set with single and cush...

REPOSSI: DIAMOND AND COLOURED DIAMOND PENDENT EARRINGS Each designed as three square radiant-cut diamonds of yellow tint within brilliant-cut diam...

SAPPHIRE AND DIAMOND BROOCH, CIRCA 1920 Of openwork design, set with old brilliant-cut diamonds and calibré-cut sapphires, diamonds approx. 3.80c...

A Hallmarked Silver Stone Set Ring, of statement flowerhead design, the round cut stones claw set throughout, together with a collection of stone...

ENAMEL AND DIAMOND BIRD BROOCH, MID 19TH CENTURY Depicting a bird with spread wings landing within foliage, set with rose-cut diamonds, framed wit...

RUBY AND DIAMOND CLUSTER RING The cushion-shaped ruby, within an old brilliant-cut diamond surround, diamonds approx. 3.25cts total, ring size ap...

DIAMOND SINGLE-STONE RING The round brilliant-cut diamond weighing 4.07 carats, ring size approx. N½ For further information on this lot please ...

An Antique Dainty Diamond Cluster Ring, of crossover design, illusion set, stamped "18ct" (finger size O1/2); together with a dainty four stone r...

DIAMOND AND COLOURED DIAMOND STACKING RINGS Each set with brilliant-cut diamonds of pink, yellow, brown, colourless tint, and circular-cut treated...

COLOURED DIAMOND AND DIAMOND EARSTUDS Each of flowerhead design, set with a brilliant-cut diamond of pink tint and brilliant-cut diamonds, diamon...

DIAMOND LINE BRACELET Brilliant-cut diamonds, diamonds approx. 4.60cts total, length 17.7cm For further information on this lot please visit Bon...

DIAMOND-SET NECKLACE Each link an elongated plaque of matte finish, some accented with brilliant-cut diamonds, length 42.0cm, weight approx. 80.0...

BOODLES: 'WATERFALL' DIAMOND RING The four row hoop set with brilliant-cut diamonds, mounted in platinum, diamonds approx. 2.08cts total, signed ...

A Hallmarked Silver Necklace in the Arts & Crafts Style, with cabochon set decoration, together with a pair of "925" hardstone set earrings in th...

RUBY AND DIAMOND PLAQUE RING The navette-shaped plaque, set with a cushion and pear-shaped rubies, and rose-cut diamonds, ring size approx. M F...

DIAMOND BRACELET/PENDANT, 1890-1900 The bracelet designed as a series of graduated oval openwork plaques of foliate design, to a central, detachab...

FRASCAROLO: ENAMEL AND GOLD BIRD BROOCH Designed as a toucan, decorated with black and red enamel, and an emerald eye, maker's mark, length 3.5c...

CARTIER: 'MELI MELO' GEM-SET NECKLACE Designed as a row of vari-cut pink tourmalines, iolites, mandarin garnets, aquamarines, moonstones and chalc...

ART DECO DIAMOND BRACELET, CIRCA 1930 Of geometric design, set with old brilliant, single and baguette-cut diamonds, diamonds approx. 12.0cts tot...

YELLOW SAPPHIRE AND DIAMOND PENDANT NECKLACE Cushion-shaped yellow sapphire and brilliant-cut diamonds, on an 18 carat gold chain, chain with UK...

COLOURED DIAMOND AND DIAMOND PENDANT/NECKLACE The pendant centrepiece articulated, set with brilliant, pear and oval-cut and cushion-shaped diamon...

DIAMOND PENDENT EARCLIPS Each a cascade of brilliant-cut diamond batons, diamonds approximately 2.50cts total, length 6.5cm For further inform...

SPINEL AND DIAMOND RING The pear-shaped spinel, between tapered baguette-cut diamond shoulders, ring size approx. J For further information on t...

Ciro; A 9ct Gold Clasped Imitation Pearl Bead Necklace, together with a collection of beaded costume jewellery, including knotted glass bead neck...

Honora; A Collection of "925" Freshwater Pearl Jewellery, to include peacock pearl necklace, button pearl drop earrings, articulated beaded pearl...

YELLOW SAPPHIRE RING Set with a cushion-shaped yellow sapphire, sapphire approx. 13.00cts, ring size approx. N½ Footnotes: Gem & Pearl Labor...

THEO FENNELL: BLACK DIAMOND AND DIAMOND SKULL CUFFLINKS, 2006 Of skull and snake design, set with treated black diamonds and brilliant-cut diamond...

Vintage and Later Costume Jewellery, including imitation pearls, Mizpah brooches, dress rings, bangle, "925" and other chains, earrings etc :- On...

SAPPHIRE AND DIAMOND BRACELET, EARLY 20TH CENTURY The oval-cut sapphire, between duos of old brilliant and cushion-shaped diamonds, length 20.2cm...

BOODLES: TANZANITE AND DIAMOND 'MILKY WAY' NECKLACE The oval-cut tanzanites, between swirl and star motifs, set with brilliant-cut diamonds, dia...

PEARL AND DIAMOND JABOT PIN The natural baroque pearl, on an old brilliant, single and rose-cut diamond mount, the principal diamond of brown tint...

DIAMOND FLOWER BROOCH, CIRCA 1890 Designed as a daisy, set with old brilliant and cushion-shaped diamonds, mounted in silver and gold, principal...