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A diamond brooch, 1950s, the pierced brooch of bow design,…

Marquise Diamond Bow Brooch with 9 Carats of Diamonds

A diamond brooch, 1950s, the pierced brooch of bow design, mounted with a central marquise-cut diamond weighing 4.18 carats, to the engraved foliate detail and diamond collet terminals, set throughout with single and circular-cut diamonds, remaining…

Van Cleef & Arpels a diamond and pink sapphire dragonfly clip…

Van Cleef & Arpels a diamond and pink sapphire dragonfly clip brooch, comprising a brooch, modelled as a naturalistic dragonfly pave-set with brilliant-cut diamonds, another pave-set with circular-cut pink sapphires and diamonds en suite, length 63 mm,…

Platinum and diamond double clip brooch set throughout with…

Platinum and diamond double clip brooch set throughout with round brilliant and baguette-cut diamonds, estimated total diamond weight 30.55carats, accompanied by fitted box, weight 41.3gm, measuring 8.5 x 5 cm. The double clip brooch came into fashion in…

An impressive vintage diamond set brooch with feature 3.25ct.…

Vintage Diamond Brooch with 3.25ct Feature Stone

An impressive vintage diamond set brooch with feature 3.25ct. Platinum, made as a striking spray style panel brooch of grain set radiating rails of transition and brilliant cut diamonds, six rails to each side with feature single diamond to outer,…

Tiffany & Co. diamond brooch, of wheatsheaf design, decorated…

Tiffany & Co. Diamond Wheatsheaf Brooch

Tiffany & Co. diamond brooch, of wheatsheaf design, decorated with brilliant-cut diamonds, the diamonds together weighing approximately 4.50 carats, mounted in platinum, length 59 mm, scratch numbered 16363, signed Tiffany & Co.

A diamond floral spray brooch, set throughout with old…

Diamond Floral Spray Brooch

A diamond floral spray brooch, set throughout with old brilliant and single cut diamonds, the centre stone of the larger of the two diamond flower heads measuring an estimated 3 carats. Platinum. Weight 33.41 grams. Length 7.3 cm.

Emerald and diamond brooch, Van Cleef & Arpels, of floral…

Emerald and Diamond Floral Brooch by Van Cleef & Arpels

Emerald and diamond brooch, Van Cleef & Arpels, of floral design the flowerhead centring a claw-set brilliant-cut diamond framed by a cluster of circular-cut emeralds surrounded by clusters of brilliant-cut diamonds, the petals accented with emeralds…

A stunning Art Deco diamond double brooch/jabot pin, platinum,…

Art Deco Diamond Double Brooch by Draysons of London

A stunning Art Deco diamond double brooch/jabot pin, platinum, handcrafted and signed by Draysons of London, of elongated lozenge shape, grain set in a stylised bow formation with single, early brilliant and baguette cut diamonds, totalling throughout 9…

Platinum, south sea pearl, diamond and morganite 'Flutter'…

Paspaley Flutter Brooch/Necklace with Diamonds and Pearls

Platinum, south sea pearl, diamond and morganite 'Flutter' brooch/necklace, Paspaley Composed of twenty-nine cultured pearls graduating from approximately 15.20 to 13.12 mm, completed by a platinum clasp modelled as a butterfly embellished with morganite…

Pair of platinum diamond brooches, Cartier, mid 20th century…

Platinum Diamond Flower Brooches by Cartier

Pair of platinum diamond brooches, Cartier, mid 20th century each clip designed as an open work flowerhead decorated with brilliant-cut and baguette diamonds together weighing approximately 10.60 carats, gross weight approximately 32.90 grams,…

An Edwardian platinum aquamarine and diamond brooch, early 20th…

Edwardian Aquamarine and Diamond Brooch with Historical Significance

An Edwardian platinum aquamarine and diamond brooch, early 20th century, centring an octagonal step-cut aquamarine weighing an estimated 25.00 carats, millegrain-set within a conforming pierced frame set with old and rose-cut diamonds, case by Heming & Co…

Platinum and diamond brooch, Marchak, modelled as a butterfly,…

Marchak Diamond Butterfly Brooch

Platinum and diamond brooch, Marchak, modelled as a butterfly, the abdomen centring a marquise-shaped diamond weighing 2.43 carats between open work wings embellished with claw-set pear-shaped diamonds and pave-set with brilliant-cut diamonds, the smaller…

A sapphire and diamond brooch, circa 1910, the rectangular step…

Sapphire and Diamond Brooch, 21.66 Carats

A sapphire and diamond brooch, circa 1910, the rectangular step cut blue sapphire of known weight 21.66 carats in a pierced diamond set frame. Platinum. Weight 12.1 grams. Length 4.4 cm. Width 2 cm. Accompanied by GSL Gemstone Authentication Report number…

Gubelin a pair of diamond and platinum dress clips, circa 1930,…

Gubelin Diamond Platinum Dress Clips

Gubelin a pair of diamond and platinum dress clips, circa 1930, each of mirrored geometric design set with round brilliant, single, trilliant, square and baguette-cut diamonds, signed with Gubelin maker's mark, estimated total diamond weight 5.00 carats,…

Art Deco cluster a fine example of Per Revolutionary Russian…

Art Deco Platinum Diamond Cluster Ring, Circa 1915

Art Deco cluster a fine example of Per Revolutionary Russian Craftmanship, circa 1915, showing platinum mark, makers mark, and city assay mark, possible Moscow. The platinum pieced top is set with a centrally set oval shaped 0.89ctOld mine cut diamond G…

Diamond plaque brooch, c. 1930, of geometric openwork design,…

Geometric Diamond Brooch with Central 3.0 ct Diamond

Diamond plaque brooch, c. 1930, of geometric openwork design, set with rose-cut diamonds surrounding a central old cut round diamond of approximately 3.0 ct, platinum setting, width 3 cm length 7.5 cm. Provenance: purchased in New York, c. 1985

A set of four diamond, emerald and sapphire 'Hawaii Bouquet'…

Van Cleef & Arpels Hawaii Bouquet Brooch Set

A set of four diamond, emerald and sapphire 'Hawaii Bouquet' brooches, van Cleef & Arpels, each brooch designed as a floral bouquet, the forget-me-not flowerheads set with circular-cut emeralds, sapphires and round brilliant-cut diamond highlights, length…

Platinum, opal and diamond brooch. Centring a claw-set oval…

Opal and Diamond Geometric Brooch with Platinum Setting

Platinum, opal and diamond brooch. Centring a claw-set oval opal cut en cabochon weighing approximately 14.00 carats, within a geometric surround detailed with single, rose and old European-cut diamonds together weighing approximately 0.70 carats, length…

Platinum and diamond brooch, Cartier, London, of open work…

Cartier Crown and Ship Diamond Brooch

Platinum and diamond brooch, Cartier, London, of open work design, modelled as a crown surmounted by ships in sail pave-set with old-cut diamonds, approximately 33.5 x 20.5 mm, signed Cartier London, scratch numbered 4594. Accompanied by the original…

An Art Deco coloured diamond, diamond, pearl and moonstone…

Art Deco Flower Basket Brooch with Coloured Diamonds

An Art Deco coloured diamond, diamond, pearl and moonstone brooch, 1930s, designed as a basket of flowers, the flowerheads set throughout with single and circular-cut diamonds, accented by yellow, light pink and brown diamond stamen, interspersed by a…

Vintage diamond brooch, modelled as a stylised floral bouquet…

Floral Diamond Brooch

Vintage diamond brooch, modelled as a stylised floral bouquet decorated with brilliant-cut, baguette, pear and marquise-shaped diamonds, the 92 diamonds together weighing approximately 13.31 carats, mounted in platinum, length 66 mm, width 36 mm, trombone…

Belle Epoque platinum and diamond brooch, circa 1910, the…

Belle Epoque platinum and diamond brooch, circa 1910, the circular openwork plaque with knifewire and foliate detail, millegrain-set with single and old European-cut diamonds, central diamond estimated weight 0.75 carats, weight 13.4gm, length 4.4 cm.

Black, star & Frost onyx and diamond brooch, circa 1930,…

Black, star & Frost onyx and diamond brooch, circa 1930, designed as a 7 mm black onyx spherical annular plaque surmounted with a platinum ribbon-bow millegrain-set with old-cut diamonds, the diamonds together weighing approximately 0.65 carats, diameter…

Platinum, aquamarine and diamond brooch, Boucheron, circa 1930,…

Boucheron Aquamarine Diamond Buckle Brooch

Platinum, aquamarine and diamond brooch, Boucheron, circa 1930, modelled as a buckle, centring a step-cut aquamarine weighing approximately 30.10 carats claw-set between an open work palmette motif decorated with rose and old European-cut diamonds, the…

An emerald and diamond brooch, of Art Deco style, the…

Art Deco Emerald and Diamond Brooch

An emerald and diamond brooch, of Art Deco style, the rectangular pierced plaque, centrally set with an old European cut diamond weighing 1.45cts, flanked by square cut emeralds and further old European cut diamonds totalling 4.53cts, in platinum.

Platinum, pearl, emerald, ruby and diamond clip brooch, circa…

Geometric Gemstone Brooch from 1930s

Platinum, pearl, emerald, ruby and diamond clip brooch, circa 1930, of geometric openwork design, decorated with pearls, emeralds, rubies and diamonds, approximately 32 x 31 mm.

Diamond brooch, circa 1960, modelled as a bouquet, the three…

1960 Diamond Bouquet Brooch

Diamond brooch, circa 1960, modelled as a bouquet, the three flower heads each claw-set with a cluster of round brilliant-cut diamonds, the foliage highlighted with marquise, baguette and brilliant-cut diamonds, the diamonds together weighing…

Diamond double clip brooch, the open work geometric plaque…

Platinum Double Clip Brooch with 15.40 Carat Diamonds

Diamond double clip brooch, the open work geometric plaque pave-set with circular-cut diamonds and accented with baguette diamonds, the diamonds all together weighing approximately 15.40 carats, mounted in platinum, length approximately 78 mm.

A vintage 'Chat Malicieux' gem-set clip brooch by van Cleef…

Van Cleef & Arpels Winking Cat Brooch

A vintage 'Chat Malicieux' gem-set clip brooch by van Cleef &, Arpels, designed as a winking cat, set with onyx, emerald and ruby all cut en cabochon, with round brilliant cut diamonds to the brow, signed van Cleef &, Arpels, numbered 8.7.171,…

Diamond feather brooch, the articulated feather of openwork…

10ct Diamond Feather Brooch with Baguette Accents

Diamond feather brooch, the articulated feather of openwork design accented throughout with brilliant and baguette-cut diamonds, the top set with a pear shaped diamond estimated weight 10 carat and terminating with a trilliant-cut diamond estimated weight…

Platinum and diamond brooch, Tiffany & Co. modelled as an…

Tiffany & Co. Diamond Heart Brooch

Platinum and diamond brooch, Tiffany & Co. modelled as an openwork heart, the brooch is decorated to the front with 18 claw-set brilliant-cut diamonds, together weighing approximately 2.00 carats, 30 mm x 27 mm, signed Tiffany & Co.

Diamond double clip/brooch, circa 1940, of ribbon and scroll…

1940 Diamond Double Clip/Brooch with Ribbon and Scroll Design

Diamond double clip/brooch, circa 1940, of ribbon and scroll design, set throughout with graduated lines of circular-cut diamonds, the small diamonds together weighing approximately 8.33 carats mounted in platinum, brooch pin detachable, May be worn as…

Emerald and diamond pendant/brooch, the pear shaped cabochon…

Emerald and diamond pendant/brooch, the pear shaped cabochon emerald with estimated weight 130 carats within a double border of round brilliant-cut diamonds, estimated total diamond weight 50 carats, weight 15.5gm, length 4 cm. Provenance: Property of a…

Platinum, diamond and gem-set brooch, Boucheron, Paris designed…

Boucheron Floral Gem Brooch with Precious Stones

Platinum, diamond and gem-set brooch, Boucheron, Paris designed as a trailing floral and foliate spray, the flowerheads each centrally-set with either a circular-cut ruby, sapphire, or emerald and diamond-set flowerhead, the stems set with baguette…

An Art Deco sapphire and diamond brooch / pendant, the large…

Sapphire and Diamond Art Deco Brooch Pendant

An Art Deco sapphire and diamond brooch / pendant, the large rectangular plaque centred with a sapphire weighing 3.05cts, surrounded by round brilliant and baguette cut diamonds totalling 7.64cts, in platinum, with detachable bale.

An Art Deco diamond brooch, featuring a principal old European…

Art Deco Diamond Brooch by Palfrey

An Art Deco diamond brooch, featuring a principal old European cut diamond weighing 0.85cts, within a pierced diamond set surround totalling 7.405cts, in platinum, signed Palfrey.

Art Deco platinum emerald & diamond brooch oval design with a…

Platinum Art Deco Brooch with Emerald and Diamonds

Art Deco platinum emerald & diamond brooch oval design with a central emerald which the valuation States is 2.38ct total weight approximately surrounded by brilliant and single cut diamonds and a border of baguette cut emeralds. Length 51 mm the emeralds…

Edwardian 18ct Burmese sapphire and diamond curve bar brooch…

18ct Burmese Sapphire & Diamond Brooch

Edwardian 18ct Burmese sapphire and diamond curve bar brooch nine light blue mixed cut sapphires approx 0.576ct, 6x 0.574-0.382ct, 0.416ct, 0.263ct interspaced with 16 old eight cut diamonds approx 0.320cts TDW

Art Deco mille grain platinum and diamond brooch Centre round…

Platinum Diamond Brooch with Art Deco Mille Grain Design

Art Deco mille grain platinum and diamond brooch Centre round brilliant 0.88ct G colour Si clarity. 2@ round brilliant cut diamonds0.36ct total 0.71ct G colour Si clarity. 6@ diamonds 0.08-0.10ct total 0.54ct. 4@ 0.04ct total 0.16ct. 24@ 0.03ct total 0

Diamond brooch, circa 1940, property of a private Sydney…

Diamond brooch, circa 1940, property of a private Sydney Collector, of celestial design, decorated with marquise, baguette and circular-cut diamonds, the diamonds together weighing approximately 9.26 carats, mounted in platinum, length 61 mm, width 24 mm.

A diamond crescent brooch, set with old brilliant-cut diamonds,…

3.90ct Diamond Crescent Brooch

A diamond crescent brooch, set with old brilliant-cut diamonds, estimate total diamond weight approximately 3.90ct, diameter 3.5 cm.

A beautiful antique diamond plaque brooch. Platinum,…

Antique Diamond Plaque Brooch with 5.00ct A.T.D.W

A beautiful antique diamond plaque brooch. Platinum, handcrafted, indistinct makers mark to outer edge rail, circa 1910, crafted as a beautiful scalloped tri panel plaque, featuring a central quality old cut diamond of approximately 1.10ct, bezel set,…

Diamond garniture, including brooch and pair of clip earrings,…

Platinum Diamond Garniture Set

Diamond garniture, including brooch and pair of clip earrings, platinum with old cut diamonds, VVS/VS in clarity (2). Weight approximately 34 grams

Platinum and diamond 'Curling Ribbon' scarf brooch, Tiffany &…

Tiffany & Co. Diamond Ribbon Scarf Brooch

Platinum and diamond 'Curling Ribbon' scarf brooch, Tiffany & Co., circa 2004, modelled as a curled ribbon, pave-set with brilliant-cut diamonds together weighing approximately 5.00 carats, approximately 67 mm x 20 mm, trombone clip fitting, signed…

Diamond brooch, circa 1940, modelled as a stylised openwork…

1940 Diamond Bow Brooch with Swing Drop Diamond

Diamond brooch, circa 1940, modelled as a stylised openwork ribbon and bow brooch millegrain-set with circular-cut diamonds, the small diamonds together weighing approximately 4.86 carats, terminating in a swing drop collet-set with an old European-cut…

A diamond and sapphire brooch, 1950s of bouquet design, the…

Diamond and Sapphire Brooch of Bouquet Design

A diamond and sapphire brooch, 1950s of bouquet design, the curved stems set with baguette diamonds, the flowerheads with oval and circular cut sapphire petals and brilliant-cut diamond stamen, gathered by a brilliant cut diamond ribbon, the sapphires and…

An Art Deco diamond and emerald brooch, the open fan shaped…

Art Deco Diamond and Emerald Fan Brooch

An Art Deco diamond and emerald brooch, the open fan shaped plaque and articulated ribbon drop, set with old European cut diamonds totalling 9.50cts, with emerald detail totalling 2.25cts, in platinum.

An impressive quality Art Deco platinum and diamond lady's…

Platinum and Diamond Art Deco Dress Clip/Brooch

An impressive quality Art Deco platinum and diamond lady's estate dress clip/ brooch in a geometric and scroll shape, set with 144 diamonds mainly in slightly older cutting style, each clip in an open pierced geometric and flowing design, typical of the…

A pair of diamond brooches, set with single, brilliant,…

Diamond Brooches with 6 Carats Total Weight

A pair of diamond brooches, set with single, brilliant, baguette and old mine-cut diamonds, estimated total diamond weight 6.00 carats, mounted in platinum, gross weight 11.8gm, length, each 2.5 cm.

Diamond brooch, modelled as a horseshoe, millegrain-set with 27…

Platinum Horseshoe Brooch with 2.70ct Diamonds

Diamond brooch, modelled as a horseshoe, millegrain-set with 27 old mine-cut diamonds together weighing approximately 2.70 carats, mounted in platinum, approximately 31.5 x 27.5 mm.

Platinum, diamond and sapphire brooch, Tiffany & Co., 1998,…

Tiffany Turtle Brooch with Diamonds, Sapphire and Platinum

Platinum, diamond and sapphire brooch, Tiffany & Co., 1998, modelled as a turtle, the eyes accented with circular-cut sapphires, the body pave-set with brilliant-cut diamonds together weighing approximately 3.00 carats, approximately 34.5 x 20 mm, signed…

An onyx, diamond and pearl pansy brooch, early 20th century the…

Onyx, Diamond & Pearl Pansy Brooch from Melba Collection

An onyx, diamond and pearl pansy brooch, early 20th century the brooch of carved onyx petals accented by seedpearls, with old European-cut diamond stamen, diameter approximately 31 mm. Property from the Collection of Dame Nellie Melba GBE

Platinum and diamond double clip/brooch, circa 1950, the…

Platinum Diamond Double Clip/Brooch

Platinum and diamond double clip/brooch, circa 1950, the stylised ribbon and foliate spray embellished with tapered baguette, brilliant and single-cut diamonds together weighing approximately 10.55 carats, length approximately 70 mm, brooch pin detachable…

A diamond dress clip, of Art Deco design, each panel set with…

Art Deco Diamond Dress Clip

A diamond dress clip, of Art Deco design, each panel set with old European and single cut diamonds totalling an estimated 5.60cts, in platinum. 36.62 grams approx, dimensions - 64 mm x 35 mm

A diamond cluster brooch, fifty-six claw set marquise and round…

Sparkling Wreath Diamond Brooch

A diamond cluster brooch, fifty-six claw set marquise and round brilliant cut diamonds of estimated total weight 11.15 carats, in a complex wreath design. Platinum. Weight 15.2 grams. Length 4.6 cm. Width 3.7 cm.

An Art Deco diamond brooch, centrally set with an emerald cut…

Emerald Cut Diamond Art Deco Brooch

An Art Deco diamond brooch, centrally set with an emerald cut diamond of 0.50cts, surrounded by ten early round brilliant cut diamonds totalling 2.10cts, set throughout with further round and baguette cut diamonds, mounted in platinum.

J. E. Caldwell and Co., Palladium and diamond circular brooch,…

Palladium and Diamond Brooch by J.E. Caldwell & Co

J. E. Caldwell and Co., Palladium and diamond circular brooch, set with 28 European cut diamonds,F-G,VVS-Vs, approx. 5.60 carats in total, stamped 'Je Caldwell and Co. P2715', total diamond weight 5.60 carats and total weight,8.7 grams

Art Deco sapphire and diamond brooch; modelled as a stylised…

Art Deco Sapphire and Diamond Bow Brooch

Art Deco sapphire and diamond brooch; modelled as a stylised bow, centring a rectangular-shaped sapphire flanked by a row of channel-set variously-cut sapphires within a border accented with old round-cut diamonds, the sapphires and diamonds together…

Platinum, diamond and gem-set 10th Hussars regimental brooch…

Regimental Brooch of 10th Hussars with Diamonds and Gems

Platinum, diamond and gem-set 10th Hussars regimental brooch circa 1900. The three Prince of Wales feathers set throughout with single-cut diamonds, protruding from a gem-set crown, with Royal Blue enamelled banner bearing the motto 'Ich dien' and…

Platinum and diamond brooch, circa 1960. Designed as an open…

Diamond Flower Brooch

Platinum and diamond brooch, circa 1960. Designed as an open work stylised flower, centring on a brilliant-cut diamond weighing approximately 0.65 carat, the petals, pistils and stem further set with smaller brilliant-cut diamonds together weighing…

Platinum, sapphire, diamond and ruby brooch designed as a…

Sapphire and Diamond Butterfly Brooch

Platinum, sapphire, diamond and ruby brooch designed as a butterfly, pierced and millegrain-set with old-cut diamonds, the thorax and wings embellished with collet-set sapphires and the eyes with similarly set rubies, the diamonds together weighing…

A diamond and platinum brooch, set with single, baguette and…

Platinum and Diamond Brooch, 5.80ct

A diamond and platinum brooch, set with single, baguette and brilliant-cut diamonds, diamonds approx. 5.80ct, with later added diamond set bale fitting, signed made in England platinum, weight 17.5gm, length 3 cm, width 4 cm.

A diamond spray brooch, of floral spray design set with one…

Diamond Floral Spray Brooch with 9.99ct Total Weight

A diamond spray brooch, of floral spray design set with one hundred and twenty eight brilliant and baguette cut diamonds, estimated total diamond weight 9.99cts, colour G-H, clarity VS-VVS2, in platinum, with accompanying John T.Hinkley certificate of…

A good Art Deco diamond and platinum brooch

Art Deco Diamond & Platinum Brooch

A good Art Deco diamond and platinum brooch

A pair of emerald and diamond dress clips each of stepped…

Emerald and Diamond Dress Clips in Platinum

A pair of emerald and diamond dress clips each of stepped openwork design centred with a row of rectangular step-cut emeralds and set throughout with round brilliant and step-cut diamonds, estimated diamond weight 3.00carats, mounted in platinum, length 2…

Raymond Yard diamond 'Wattle' brooch, designed as a wattle…

Raymond Yard diamond 'Wattle' brooch, designed as a wattle spray embellished at intervals with claw-set brilliant-cut diamonds, the diamonds together weighing approximately 2.82 carats, length 55 mm, trombone clip fitting, signed Yard for Raymond Yard.

Diamond pendant/brooch, circa 1950, of floral and foliate…

Diamond pendant/brooch, circa 1950, of floral and foliate design embellished with brilliant-cut diamonds, the diamonds together weighing approximately 3.60 carats, mounted in platinum, width 37 mm, length 58 mm .

Art Deco diamond double clip brooch, circa 1925, property from…

Diamond Art Deco Double Clip Brooch

Art Deco diamond double clip brooch, circa 1925, property from the estate of a private collector, designed as a stylised ribbon bow, the openwork plaque is embellished with baguette and circular-cut diamonds, the diamonds together weighing approximately 4…

A striking diamond set plaque brooch, platinum, handcrafted…

Platinum Diamond Brooch, 1930s Geometric Design

A striking diamond set plaque brooch, platinum, handcrafted circa 1930's, presented as a rectangular plaque of pierced geometric design, featuring through central line three old cuts claw set, each spaced by grain set frames of smaller diamonds, the outer…

A fine French platinum diamond double clip brooch, of stylised…

French Platinum Diamond Floral Double Clip Brooch

A fine French platinum diamond double clip brooch, of stylised floral design, set with single, round and baguette cut diamonds, with two detachable panels, export marks, mounted in platinum

An impressive diamond and fan shape hand made brooch.

Dazzling Diamond Fan Brooch

An impressive diamond and fan shape hand made brooch.

A diamond spray brooch, set with one hundred and fifty-four…

Diamond Spray Brooch with 9 Carats of Sparkle

A diamond spray brooch, set with one hundred and fifty-four round brilliant and baguette diamonds of estimated total weight 9 carats. Platinum. Weight 27.75 grams. Width 5.50 cm.

A ruby and diamond brooch, of spiraling form, set with seven…

Burma Ruby and Diamond Spiraling Brooch

A ruby and diamond brooch, of spiraling form, set with seven oval rubies totalling 5.50cts, round brilliant and baguette cut diamonds totalling 2.30cts, in platinum, French hallmarks. All stones are secure in their setting., the rubies show natural…

Platinum and diamond dress clip, of geometric fan design, set…

Geometric Diamond Dress Clip

Platinum and diamond dress clip, of geometric fan design, set throughout with baguette and brilliant-cut diamonds together weighing approximately 4.25 carats, length approximately 30 mm.

Ruby and diamond flower brooch, designed as a floral spray,…

Ruby and Diamond Floral Brooch

Ruby and diamond flower brooch, designed as a floral spray, comprising a flowerhead centering a stamen pave-set with circular-cut rubies framed by petals claw-set with brilliant-cut and marquise-shaped diamonds, the stalk and leaves embellished with…

An Art Deco diamond brooch, styled as a bow, the open work…

Art Deco Diamond Bow Brooch, 3.0ct, Platinum, 1930

An Art Deco diamond brooch, styled as a bow, the open work brooch comprising forty seven old European cut diamonds totalling an estimated 3.0cts, in platinum, circa 1930.

A striking Art Deco diamond and pearl bow brooch, platinum, Art…

Art Deco Diamond & Pearl Bow Brooch

A striking Art Deco diamond and pearl bow brooch, platinum, Art Deco, crafted as a large articulated stylised bow brooch, finely detailed throughout the loops of ribbon with rails of old cut diamonds, the edges solid, the centres filigree worked,…

Diamond brooch, circa 1920, the double loop bow centring a…

Platinum Diamond Brooch, 1920

Diamond brooch, circa 1920, the double loop bow centring a flowerhead motif terminating in an articulated ribbon tassel, pierced and millegrain-set with old European-cut and rose diamonds together weighing approximately 4.45 carats, mounted in platinum,…

Diamond double clip/brooch, early 20th century, the open work…

Double Diamond Clip/Brooch

Diamond double clip/brooch, early 20th century, the open work geometric plaque pave-set with circular-cut diamonds bet ween baguette diamond accents, the diamonds together weighing approximately 4.50 carats, mounted in platinum, approximately 45 x 20 mm,…

A diamond and emerald flower head cluster brooch, English circa…

1820 English Flower Brooch with Diamond and Emerald Cluster

A diamond and emerald flower head cluster brooch, English circa 1820. Provenance: Sandra Cronan Ltd, Burlington Arcade, London

Aquamarine and diamond brooch, circa 1920, centring an…

Aquamarine and Diamond Brooch

Aquamarine and diamond brooch, circa 1920, centring an emerald-cut aquamarine weighing approximately 5.00 carats bordered by baguette diamonds flanked by an open work geometric motif millegrain-set throughout with circular-cut diamonds, the diamonds…

Tiffany & Co. platinum and diamond brooch, modelled as a bow,…

Tiffany & Co. Diamond Bow Brooch

Tiffany & Co. platinum and diamond brooch, modelled as a bow, set throughout with brilliant-cut diamonds together weighing approximately 2.67 carats, signed Tiffany & Co., length approximately 46 mm, accompanied by a Tiffany & Co. pouch.

Platinum and diamond brooch, of spray design with an…

Spray Design Platinum & Diamond Brooch with Articulated Drop

Platinum and diamond brooch, of spray design with an articulated drop, set throughout with old European, brilliant and single-cut diamonds together weighing approximately 2.13 carats, measuring 55 mm x 24 mm.

18ct jade and diamond bar brooch central bright green oval jade…

Green Jade & Diamond Bar Brooch

18ct jade and diamond bar brooch central bright green oval jade panel with surround of 30 single cut diamonds

New Zealand 15ct opal and diamond bar brooch large oval…

Opal and Diamond Bar Brooch by Denton Jewellers, Wellington

New Zealand 15ct opal and diamond bar brooch large oval cabochon translucent milk opal with four old brilliant cut diamonds surrounding on scrolling frame. Made by Denton Jewellers, Wellington opal size 26 x 12 x 3.2 mm Provenance: Being of direct family…

Art Deco all platinum 68 stone diamond brooch rectangular…

Platinum Art Deco Diamond Brooch by Rene Prevost

Art Deco all platinum 68 stone diamond brooch rectangular geometric design all bead clase set with early round brilliant cut diamonds 42 mm length. Fitted in original box for Rene Prevost Joaillier 72bis rue'd Amsterdam Paris

Diamond brooch, of floral and ribbon design set with…

Floral and Ribbon Diamond Brooch

Diamond brooch, of floral and ribbon design set with marquise-shaped, baguette and brilliant-cut diamonds together weighing approximately 15.60 carats, mounted in platinum, length approximately 57 mm.

An Art Deco diamond brooch, the rectangular pierced plaque,…

Art Deco Diamond Brooch with 5.0ct Old European Cut Diamonds

An Art Deco diamond brooch, the rectangular pierced plaque, detailed with old European cut diamonds totalling an estimated 5.0cts, in a platinum millegrain setting.

Diamond brooch, circa 1930, of stylised bow design, the open…

1930s Diamond Bow Brooch

Diamond brooch, circa 1930, of stylised bow design, the open work brooch centring on an old European-cut diamond weighing approximately 0.60 carats flanked by a similar pair within a millegrain-set diamond surround, the diamonds all together weighing…

Platinum and diamond brooch, Tiffany & Co., mid 20th century,…

Tiffany & Co. Diamond Heart Brooch

Platinum and diamond brooch, Tiffany & Co., mid 20th century, the open work heart-shaped brooch is pave-set with brilliant-cut diamonds together weighing approximately 3.00 carats, approximately 33.5 x 32 mm, signed Tiffany & Co.

Art Deco platinum and diamond brooch, platinum, rectangular…

Art Deco platinum and diamond brooch, platinum, rectangular plaque design, claw set with three main old European cut diamonds approx. 3cts in total, surrounded by a fine saw pierced setting with old mine and single cut diamonds, total estimated diamond…

An Art Deco diamond brooch, bezel set early round brilliant cut…

Art Deco Diamond Brooch with 2.76 Carats

An Art Deco diamond brooch, bezel set early round brilliant cut diamond of estimated weight 0.30 carats, accented with one hundred and sixy-four grain set single cut diamonds of estimated total weight 2.46 carats in an ornate pierced plaque. Platinum.…

18ct 320 stone diamond feather spray brooch all pave set round…

18ct Diamond Feather Brooch with 10ct TDW

18ct 320 stone diamond feather spray brooch all pave set round brilliant cuts, approx 10ct TDW

Early 20th century 18/15ct amethyst diamond and pearl brooch,…

Early 20th century 18/15ct amethyst diamond and pearl brooch, central oval mixed cut amethyst approx 27cts with early round brilliant cut diamonds pave set surround and shoulder bar, six half pearls 80 mm length, fitted in John Morton box., Mortons being…

Platinum, emerald and diamond brooch, J.E. Caldwell, circa 1950,…

Interwoven Scroll Brooch with Diamonds, Emeralds, and Platinum

Platinum, emerald and diamond brooch, J.E. Caldwell, circa 1950, modelled as lines of interwoven scrolls pave-set with brilliant-cut diamonds surmounted by three flowerheads decorated with brilliant-cut diamonds and circular-cut emeralds, approximately 35…

An antique platinum and diamond brooch, modelled as an owl…

Platinum and Diamond Owl Brooch with Ruby Eyes

An antique platinum and diamond brooch, modelled as an owl perched on a crescent, detailed with mine-cut diamonds totalling an estimated 1.50 carats, detailed with cabochon ruby set eyes, diameter approximately 45 mm.