PEARL AND DIAMOND BROOCH AND DIAMOND EARRINGS1st: The brooch designed as two openwork hearts, tied together by a ribbon, set with brilliant-cut di...

ENAMEL AND DIAMOND CADUCEUS BROOCH, LATE 19TH CENTURYThe two entwined serpents set with cushion-shaped and rose-cut diamonds and circular ruby cab...

DIAMOND FLORAL BROOCH, MID 19TH CENTURYOf openwork floral and foliate design, set with rose-cut diamonds, within closed-back settings, later brooc...

TWO DIAMOND-SET PENDANTS, EARLY-MID 19TH CENTURY1st: The rose-cut diamond bird, with a cabochon emerald eye, perched in a similarly-cut diamond tr...

RUBY AND ENAMEL-SET MEMORIAL RING, CIRCA 1770The glazed compartment with hairwork depicting a tree, within a surround of table-cut rubies, the out...

ENAMEL, SEED PEARL AND AGATE MEMORIAL RING, CIRCA 1880The banded agate carved to depict a forget-me-not flower within a frame of seed pearls, with...

PEARL AND DIAMOND PENDANT, MID-LATE 19TH CENTURYOf scrolling foliate design, the quatrefoil with pearls and cushion-shaped diamonds, diamonds appr...

ENAMEL, PEARL AND DIAMOND HEART BROOCH/PENDANT, CIRCA 1860The heart-shaped blue guilloche enamel plaque, set with a cushion-shaped diamond, within...

TWO CHAIN NECKLACES1st: Interspersed with interlocking hoops and barrel links, with a magnetic clasp, 2nd: The long chain composed of links with s...

CHARM BRACELET, 19TH - 20TH CENTURYThe curb-link bracelet, suspending 41 charms including a watch key set with turquoise cabochons, a mother of pe...

COLLECTION OF CARVED HARDSTONE CAMEO AND INTAGLIO JEWELLERY, 19TH CENTURY1st: The pendant set with the carnelian intaglio depicting a coat of arms...

COLLECTION OF FOBS AND FOB SEALS, EARLY 19TH CENTURY1st: The polychrome enamel amphora fob, set with white hardstone depicting a dove in flight ab...

ELIZABETH GAGE: 'LIBRA' ENAMEL RINGThe red guilloche enamel with applied Libra, sun, moon and planet motifs, accented by a brilliant-cut diamond, ...

BOUCHERON: DIAMOND-SET DRESS RINGOf rope-twist design, the circular concave plaque with brilliant and single-cut diamonds, signed Boucheron London...

FOPE: 'PRIMA' DIAMOND-SET PENDENT EARRINGSEach of brick link design, accented by a brilliant-cut diamond rondel, signed FOPE, length 7.6cm, maker'...

DIAMOND ETERNITY RINGSet throughout with brilliant-cut diamonds, diamonds approx. 1.20cts total, ring size approx. k½ For further information on t...

CHOPARD: 'CASMIR' DIAMOND-SET EARRINGSEach hoop designed as a series of interlocking paisley motifs, accented by brilliant-cut diamonds, diamonds ...

FRED LEIGHTON: CULTURED PEARL AND BLACK JADE PENDANT/NECKLACEThe pear-shaped black jade cabochon plaque, inlaid with a coiled serpent around two 5...

DIAMOND DRESS RING, 2017The trifurcated hoop, set with brilliant-cut diamonds, mounted in 18 carat rose gold, diamonds approx. 1.05cts total, Lond...

DE GRISOGONO: DIAMOND AND BLACK DIAMOND NECKLACEOf abstract design, set with brilliant-cut diamonds and treated black diamonds, mounted in 18 cara...

DIAMOND CROSS PENDANT/NECKLACESet with brilliant-cut diamonds, suspending tassels with pear-shaped diamond drops, diamonds approx. 1.65cts total, ...

GRAFF: CULTURED PEARL AND DIAMOND RINGSet with a 15.3-15.4mm cultured button pearl of pink tint, the gallery and shoulders set with brilliant-cut ...

DIAMOND-SET BRACELETThe multi-rows of beaded chain with brilliant-cut diamond bar spacers, mounted in 18 carat white gold, London hallmark, length...

SAPPHIRE AND DIAMOND HOOP EARRINGSEach set with circular-cut sapphires and brilliant and baguette-cut diamonds, diamonds approx. 1.20cts total, l...

DIAMOND ETERNITY RINGSet throughout with brilliant-cut diamonds, diamonds approx. 1.45cts total, ring size approx. LFor further information on thi...

DIAMOND EARRINGSBicoloured, the undulating concentric circles set with brilliant-cut diamonds, diamonds approx. 1.60cts total, length 1.9cmFor fu...

TIFFANY: 'ETOILE' DIAMOND RINGSet throughout with brilliant-cut diamonds, diamonds approx. 0.20ct, signed Tiffany & Co., ring size approx. NFor fu...

TIFFANY: AQUAMARINE AND PERIDOT PENDENT EARRINGSEach suspending peridot and aquamarine cabochon drops, maker's mark T&Co, length 4.8cm, maker's ca...

DIAMOND BRACELETThe openwork panel links, set with brilliant-cut diamonds, with baguette-cut diamond spacers, diamonds approx. 5.55cts total, leng...

AMETHYST AND DIAMOND DRESS RINGThe oval-cut amethyst within a brilliant-cut diamond surround, diamonds approx. 1.35cts total, amethyst approx. 23....

EMERALD, SAPPHIRE AND PINK SAPPHIRE NECKLACEThe cabochon emerald, in an openwork surround set with cushion-shaped sapphires and circular-cut pink ...

AQUAMARINE PENDANTSet with an oval-cut aquamarine, weighing 6.28 carats, length 2.2cmFootnotes:Accompanied by a report from the Independent Colour...

GEORGES LENFANT FOR HERMES: CUFFLINKSSingle-sided, each of textured knot design, signed HERMES PARIS, maker's mark for Georges Lenfant, numbered, ...

KUTCHINSKY: DIAMOND-SET CUFFLINKS, 1964Single-sided, of textured 18 carat gold finish, within an overlapping openwork plaque of brilliant-cut diam...

CARTIER: ENAMEL 'LOVE' CUFFLINKSDouble-sided, each circular plaque decorated with black enamel, signed Cartier, numbered, plaque length 1.3cm, mak...

CARTIER: TWO PAIRS OF CUFFLINKS1st: Double-sided, each 18 carat gold baton of reeded design, within a bicoloured knot, 2nd: Double-sided, each ony...

DIAMOND FLOWER BROOCHOf flowerhead design, set with brilliant-cut diamonds, the petals of woven design, French assay mark, length 4.4cmFor further...

RUBY AND DIAMOND BRACELETThe highly articulated bracelet, set with circular-cut rubies and brilliant-cut diamonds, diamonds approx. 2.00cts total...

TURQUOISE AND DIAMOND DRESS RING, CIRCA 1970The turquoise cabochon, within an openwork surround of brilliant-cut diamonds, the hoop of ropetwist d...

DIAMOND-SET LONGCHAINThe curb-link chain interspersed with articulated spacers set with brilliant-cut diamonds, with detachable clasp, London impo...

HAMMERMAN BROTHERS: EMERALD-SET BROOCH, 1967 AND A TOURMALINE BROOCH1st: Of 9 carat gold abstract design and textured finish, set with circular-cu...

DIAMOND, EMERALD AND ONYX LION BROOCHDesigned as a lion with textured head and body, polished mane, tail and whiskers, the head highlighted by sin...

EMERALD AND DIAMOND RING; SAPPHIRE AND DIAMOND RING1st: The heart-shaped emerald within a mount set with brilliant-cut diamonds, 2nd: The oval-cut...

CULTURED PEARL NECKLACE WITH JADE AND DIAMOND CLASPThe two rows of 7.4mm cultured pearls, on a clasp set with a jade cabochon, within a double sur...

ROSE QUARTZ AND DIAMOND FLOWER BROOCH/PENDANT, 1980The carved frosted rose quartz petals, with a brilliant-cut diamond pistel and stamen, atop dia...

OPAL AND DIAMOND PENDANT, RING AND EARRING SUITE, 1991The pendant set with an oval opal cabochon within a brilliant-cut diamond surround, suspend...

TIFFANY: CULTURED PEARL AND DIAMOND RING, 2015The 11.6mm cultured pearl within a brilliant-cut diamond surround, between similarly-cut diamond sho...

DIAMOND ETERNITY RINGSet with brilliant-cut diamonds, diamonds approx. 1.60cts total, ring size approx. S½For further information on this lot plea...

BLUE CHALCEDONY AND PEARL FILIGREE PENDANTThe blue chalcedony cabochon suspended from the 4.0mm pearl-set surmount, with bead and wirework detail ...

AGATE AND DIAMOND-SET CAMEO BROOCHCarved to depict a woman in profile facing left, with long, curly hair, within an 18 carat gold ropetwist frame ...

OPAL AND DIAMOND NECKLACE, CIRCA 1890Set with graduating oval opal cabochons, with alternating cushion-shaped diamonds in pinched collet settings,...

CULTURED PEARL RING; DIAMOND-SET DRESS WATCH1st: The 8.5-8.9mm cultured pearl within a foliate surround, 2nd: The circular dial with Arabic numera...

GEM-SET PENDANTSet throughout with table-cut emeralds and table and rose-cut diamonds, some foil backed, the reverse decorated with green enamel a...

MULTI GEM-SET BRACELETSet with a variety of cushion-shaped gemstones including sapphire, zircon and garnet, inner circumference approx. 21.5cmFor ...

LAPIS LAZULI NECKLACE AND EARRINGS1st: Composed of polished and carved lapis lazuli beads, between reeded spacers, 2nd: Each carved lapis lazuli, ...

SAPPHIRE AND DIAMOND CLUSTER RING, 1997The cushion-sapphire, within a brilliant-cut diamond surround, mounted in 18 carat gold, diamonds approx. 0...

CORAL AND DIAMOND PENDANT/NECKLACE AND RINGThe pear-shaped coral corallium rubrum within a brilliant-cut diamond surround, the ring of similar des...

BANGLEOf textured finish, inner circumference approx. 18.3cmFor further information on this lot please visit Bonhams.com ...[more]

GARRARD: DIAMOND-SET STAR BROOCH, CIRCA 1965Of starburst design, the alternating rays set with brilliant-cut diamond rays or ropetwist decoration,...

JOHN DONALD: PYRITE BROOCH, 1971Of 18 carat gold abstract design, set with a pyrite crystal, maker's mark JAD, London hallmark, length 5.2cmFor fu...