Jewellery incorporating the Hercules Collection of Cameos and Intaglios

Diamond brooch/pendant and stick pin, circa 1890Set throughout with old brilliant-cut and cushion-shaped diamonds, connected to a knot stick pin v...

Ruby and diamond ring and earclips suiteThe ring set with a cluster of circular-cut rubies within a radiating surround of single-cut diamonds, to...

Diamond cluster ringThe rose-cut diamond cluster between similarly-cut diamond shoulders, foiled closed-back settings throughout, ring size MFor ...

Amethyst and diamond pendantThe oval-cut amethyst within a brilliant-cut diamond surround, diamonds approx. 1.80cts total, length 3.6cmFor furthe...

fancy-link braceletDesigned as a series of textured and polished geometric fancy-links, length 20.9cmFor further information on this lot please vi...

Two-strand natural pearl necklaceThe natural pearls measuring 4.2-6.6mm, on an adjustable green and gold-coloured woven cord, length adjustableFoo...

Diamond cluster ringSet with brilliant-cut diamonds, diamonds approx. 2.35cts total, ring size LFor further information on this lot please visit B...

turquoise, pearl and diamond butterfly broochSet throughout with seed pearls, accented by circular turquoise cabochons, with ruby eyes and a centr...

Diamond bangleSet throughout with brilliant-cut diamonds, diamonds approx. 11.60cts total, inner diameter 6.7cmFor further information on this lot...

Ruby and diamond cluster earringsSet to the centre with a circular-cut ruby in a tiered surround of marquise-cut diamonds and further circular-cut...

Amethyst, pink tourmaline and diamond necklaceThe three heart-shaped amethysts with brilliant-cut diamonds between and surmounted by circular-cut ...

Schlumberger for Tiffany: Diamond 'Sixteen Stones' ringBicoloured with 'X' motifs alternating with brilliant-cut diamonds, ring size LFor further...

Cartier: diamond eternity ring, 1988, and Georg Jensen: diamond 'Infinity' ring1st: Channel-set with a continuous row of princess-cut diamonds, mo...

Diamond ringSet to the front with a graduated series of brilliant-cut diamonds, diamonds approx. 2.15cts total, ring size MFor further information...

Amethyst, sapphire and diamond pendent earringsThe pear-shaped amethysts within bombé surrounds of circular-cut pink sapphires of graduating tint,...

Catherine Best: pink sapphire necklace, bangle and earring suiteThe foliate drop set with vari-cut pink sapphires and brilliant-cut diamonds, to a...

Diamond four-stone ringSet with brilliant-cut diamonds, mounted in platinum, diamonds approx. 2.20cts total, London hallmark, ring size P½For furt...

Three-row cultured pearl necklaceThe cultured pearls measuring 5.25-11.40mm, graduating in tint from white to pale pink and purple, with a diamond...

Quartz and diamond ringSet with two checkerboard-cut smokey-quartz and two similarly-cut amethysts within a brilliant-cut diamond surround, ring s...

Cultured pearl and diamond cluster ringThe 9.75mm cultured pearl within an alternating surround of trapezoid and brilliant-cut diamonds, diamonds ...

Diamond single-stone ringSet with a cushion-shaped diamond between single-cut diamond shoulders, principal diamond approx 1.80cts, ring size PFor ...

Cultured pearl and diamond earringsEach 8.2mm pearl to a brilliant and baguette-cut diamond surmount, length 3.8cm For further information on this...

René Lalique: Art Nouveau enamel and diamond ring, circa 1900Designed as the head of a female, the face with translucent enamel, the headdress wit...

Natural pearl and diamond earrings, circa 1900Each gold cherub on a brilliant-cut diamond scroll, terminating with a 5.9mm x 5.2mm natural pearl d...

Diamond ringThe navette-shaped plaque set throughout with cushion-shaped and old brilliant-cut diamonds, diamonds approx. 1.55cts total, ring size...

Ruby and diamond cluster ringThe oval-cut ruby, weighing 1.82 carats, in a surround of rose-cut diamonds, maker's mark, ring size K Footnotes:Acco...

Yellow sapphire and diamond brooch, circa 1940The cushion-shaped sapphire suspended from a ribbon-like surmount set with old and brilliant-cut dia...

Cartier: Cultured pearl and diamond lily of the valley brooch, circa 1950Each 4.0mm cultured pearl bud inlaid with an old brilliant-cut diamond, o...

Ruby and diamond cufflinksDouble-sided, each textured bombé plaque inlaid with a circular-cut ruby or brilliant-cut diamond, diamonds approx. 0.40...

Van Cleef & Arpels: Diamond cufflinks, mid 20th centuryDouble-sided, each sphere inlaid with single-cut diamonds, signed Van Cleef & Arpels, make...

Cartier: CufflinksDesigned as ropetwist batons, signed Cartier, marker's mark, French assay mark, numbered, plaque width 1.9cm, casedFor further i...

Cartier: Sapphire cufflinks, mid 20th centuryDouble-sided, each demi-lune plaque channel-set with calibré-cut sapphires, signed Cartier Paris, ma...

Boucheron: Sapphire cufflinksOf woven stirrup design, the baton connectors with sugarloaf sapphire terminals, signed Boucheron, maker's mark, Fren...

Georges Drouet: Gold and enamel cufflinks, early 20th centuryDouble-sided, decorated with black and white enamel chevrons, maker's mark, French as...

Diamond and sapphire ringThe oval-cut diamond between step-cut sapphires, the band with brilliant-cut diamonds and engraved detailing, mounted in ...

Citrine, sapphire and diamond pendent earringsThe circular-cut citrines within pear-shaped bombé surrounds of circular-cut yellow sapphires of gra...

Cartier: diamond 'Love' bangleDecorated with ten brilliant-cut diamonds, signed Cartier, numbered, inner diameters 5.3cm x 4.5cm (size 16)For fur...

Diamond ringThe brilliant-cut diamond between graduated baguette-cut diamond shoulders, mounted in 18 carat white gold, principal diamond approx. ...

Cartier: 'Draperie' necklace, 1999Formed as six rows of beaded chain, signed Cartier, length of shortest chain 38.0cmFor further information on th...

Diamond three-stone ringSet with three brilliant-cut diamonds, diamonds approx 2.27cts total, ring size OFor further information on this lot ple...

Diamond dress ringSet to the front with faceted panels pavé-set with brilliant-cut diamonds, diamonds approx. 6.44cts total, ring size approx. M (...

diamond necklace and earringsThe necklace set throughout with brilliant-cut diamonds to an articulated tassel, the earrings of similar design, di...

A diamond single-stone ringThe brilliant-cut diamond, weighing 5.17 carats, between baguette-cut diamond shoulders, ring size approx. QFor further...

chrysoprase and diamond bangle, circa 1970The textured gold wire set to the front with pear-shaped chrysoprase cabochons with brilliant cut diamon...

Diamond single-stone ring, 1889Set with an old brilliant-cut diamond, mounted in 18 carat yellow gold, diamond approx. 1.95cts, UK hallmark, ring ...

Quartz and diamond braceletThe heart-shaped checkerboard-cut citrines and smokey-quartz with alternating brilliant-cut diamond surrounds, length 1...

Amethyst necklace, earring and brooch suite1st: The cable link chain set to the front with graduating step-cut amethysts with circular-cut paste h...

Mesh purse, mid 20th centuryOf woven mesh design with three compartments, terminating with an openwork spherical drop, Portuguese assay marks, len...

Emerald, sapphire and diamond necklaceThe fancy-link chain leaded to a staggered front formed as a series of textured abstract links, highlighted ...

Diamond ringFormed as a series of interlocking pear-shapes, each set with three-graduated brilliant-cut diamonds, diamonds approx. 2.25cts total r...

Citrine, cultured pearl and diamond broochThe large cushion-shaped citrine within a surround of brilliant-cut diamonds, framed by four similarly-s...

Elizabeth Gage: Enamel and diamond 'Templar' ring, 1988, and two gold 'Zodiac' rings, 1993 and 19871st: With dark red guilloché enamel and polishe...

Aquamarine and diamond pendantThe step-cut aquamarine suspended from a surmount accented with old brilliant-cut diamonds to an unassociated flat c...

Citrine and diamond cuffThe sprung cuff collet-set throughout with oval-cut citrines, with bead decoration and brilliant-cut diamond highlights to...

Gem-set giardinetto brooch, mid 20th centuryThe bicoloured brooch with flowerheads set with circular-cut rubies and sapphires and marquise and bri...

Ruby and diamond flower broochThe openwork flowerhead set with circular-cut rubies, brilliant and single-cut diamonds, diamonds approx. 3.00cts to...

Natural pearl necklaceThe single-strand of 3.6-5.1mm natural pearls to a pearl clasp, pearl in clasp untested, length 73.0cmFootnotes:Accompanied ...

Three-stone diamond ringSet with old brillant-cut diamonds, diamonds approx 1.80cts totalFor further information on this lot please visit Bonhams....

Star sapphire and gem-set ring and earclips, circa 1935The oval cabochon star sapphire between calibré-cut sapphire and brilliant-cut diamond shou...

Cultured pearl and diamond pendent earringsThe single-cut diamond foliate surmounts suspending brilliant-cut diamonds and terminating in a culture...