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18ct white gold and diamond Double-Clip brooch, circa 1950, of…

1950s Double-Clip Brooch with 16.58 Carats Diamonds

18ct white gold and diamond Double-Clip brooch, circa 1950, of stylised scrolled design, pave-set throughout with brilliant-cut diamonds, accented by baguette-cut diamond ribbons, the larger principal brilliant-cut diamonds in collet settings, the…

Platinum and diamond brooch, of decorative buckle design,…

Platinum Diamond Buckle Brooch with 1.30ct Center Stone

Platinum and diamond brooch, of decorative buckle design, centring a bezel-set old European-cut diamond weighing approximately 1.30 carats, within a pierced surround set throughout with single and old European-cut diamonds together weighing approximately…

18ct T Wo-Tone gold and diamond pendant brooch, of stylised…

18ct Two-Tone Gold Diamond Pendant Brooch with Leaf Motif

18ct T Wo-Tone gold and diamond pendant brooch, of stylised leaf motif interspersed throughout with brilliant-cut diamonds, length 43 mm, gross weight approximately 9.5 grams.

18ct white gold and diamond pendant brooch, the stylised snake…

18ct White Gold Diamond Snake Pendant Brooch, 4.97 carats

18ct white gold and diamond pendant brooch, the stylised snake motif channel set throughout with baguette and tapered baguette diamonds together weighing approximately 4.97 carats, length 85 mm, gross weight approximately 12.5 grams.

18ct gold, diamond and stalagmite pendant circle brooch, of…

18ct Gold Diamond Stalagmite Pendant Circle Brooch with Moonface

18ct gold, diamond and stalagmite pendant circle brooch, of crescent moon and diamond-set star motif, carved with a frosted hardstone moonface profile, diameter 25 mm.

Art Deco diamond, platinum & 18ct gold brooch marked Plat 18ct.…

Art Deco Diamond Platinum Gold Brooch, 0.18ct & 0.25ct

Art Deco diamond, platinum & 18ct gold brooch marked Plat 18ct. Approx old mind cut diamonds 0.18ct & 0.25ct est.Si clarity, non coloured. item weight 4.92 grams

Edwardian three stone diamond, yellow gold & palladium brooch,…

Edwardian three stone diamond brooch, yellow gold & palladium, unmarked

Edwardian three stone diamond, yellow gold & palladium brooch, unmarked. Approx weight 2.46 grams, tests as 9ct & palladium

Edwardian old mine cut diamond gold & platinum brooch, unmarked.…

Edwardian Diamond Gold & Platinum Brooch, 1.25ct, P clarity

Edwardian old mine cut diamond gold & platinum brooch, unmarked. Approx 1 5x old mine cut diamonds =1.25ct, P clarity, near colourless est. item size 55 x 5 mm, weight. 4.82 grams. Old mine cut diamond set to the safety 0.03ct, tests as 14ct

Diamond brooch, a late19th to early 20th century diamond brooch…

Late 19th-20th Century Diamond Brooch with 14 Brilliant Cut Diamonds

Diamond brooch, a late19th to early 20th century diamond brooch that is set with 14=1.025ct early modern brilliant cut and old European cut diamonds. In 9ct yellow gold and silver. Length: 35.0 mm. Weight: 2.7 grams.

Antique diamond brooch, property from the Estate of a private…

Antique Diamond Brooch with Enamelled Crown and Initials 'Kdc'

Antique diamond brooch, property from the Estate of a private Sydney Collector, the commemorative brooch centring initials 'Kdc' within a star, millegrain-set rose-cut diamonds, topped by an enamelled crown, the diamonds together weighing approximately 0…

An antique diamond flower cluster bar brooch by Catanach's, The…

Antique Diamond Flower Cluster Bar Brooch by Catanach's, 5.18g

An antique diamond flower cluster bar brooch by Catanach's, The principal old cut diamond of 0.41cts surrounded by eight further diamonds totalling 1.44cts all grain set in 15ct gold, signed, 5.18gms.

Tiffany & Co. 18ct gold and diamond brooch, designed as a…

Tiffany & Co. 18ct Gold Diamond Flower Brooch, 0.59ct

Tiffany & Co. 18ct gold and diamond brooch, designed as a flowerhead, the stamens claw-set with a cluster of brilliant-cut diamonds framed by sculpted petals, the diamonds together weighing approximately 0.59 carats, diameter 35 mm, signed Tiffany & Co.

Sabbadini diamond 'Bee' brooch, designed as a bee continuously…

Sabbadini Diamond Bee Brooch in 18ct Blackened Gold

Sabbadini diamond 'Bee' brooch, designed as a bee continuously embellished with brilliant-cut diamonds, mounted in 18ct blackened gold, length 33 mm, width 41 mm, numbered 0005.

Sabbadini diamond 'Bee' brooch, designed as a bee continuously…

Sabbadini Diamond Bee Brooch: Timeless Symbol of Love and Elegance

Sabbadini diamond 'Bee' brooch, designed as a bee continuously embellished with brilliant-cut diamonds, mounted in 18ct blackened gold, length 30 mm, width 34 mm, Italian workshop registration marks, numbered 0003, signed Sabbadini, Italy. Notes, born…

Le Roy Et Fils Art Deco diamond double clip brooch, circa 1930,…

Art Deco Diamond Double Clip Brooch by Le Roy Et Fils

Le Roy Et Fils Art Deco diamond double clip brooch, circa 1930, of buckle design, the openwork brooch is decorated with circular-cut and baguette diamonds, the diamonds together weighing approximately 7.90 carats, mounted in platinum and 18ct white gold,…

Georg Jensen, gold and diamond brooch, # 1425A, 18ct yellow…

Georg Jensen Diamond Safety Pin Brooch in 18ct Gold

Georg Jensen, gold and diamond brooch, # 1425A, 18ct yellow gold designed in the style of a safety pin, with pave set diamonds, signed 'Jensen 750' includes Georg Jensen box, length 6.3 cm, total weight 5 grams

Antique diamond set silver and rose gold brooch unmarked.…

Antique Diamond Set Silver and Rose Gold Brooch, Unmarked

Antique diamond set silver and rose gold brooch unmarked. Approx mixed old mine cuts, early round brilliant and single cuts. 123 = 2.075ct estimated P-Si some coloured some non coloured. Item size, 65 x 30 mm, weight 21.58 grams, tests as silver to front…

An antique 15ct gold diamond cluster brooch, platinum capped…

Antique 15ct Gold Diamond Cluster Brooch with Platinum Cap

An antique 15ct gold diamond cluster brooch, platinum capped knife edge bar brooch centring a cluster of 9 old European cut diamonds totalling an estimated 0.94ct, to a scalloped surround, cluster size 10.7 x 10.7 mm, bar length 55 mm, with safety chain,…

18ct white gold and diamond brooch, circa 1920. Property from a…

1920s Diamond Brooch in White Gold with 1.64ct Center

18ct white gold and diamond brooch, circa 1920. Property from a private Sydney Collector. Designed as an oval plaque centring an old European-cut diamond weighing approximately 1.64 carats, collet-set within a pierced and millegrain-set surround accented…

An antique 18ct yellow gold bar brooch set with 9 rose cut…

1880 Antique 18ct Gold Bar Brooch with Rose Cut Diamonds

An antique 18ct yellow gold bar brooch set with 9 rose cut diamonds (approximately 0.66ct total), circa 1880, 5.6 cm wide, 10.1 grams

Victorian diamond & 15ct yellow gold brooch marked 15…

Victorian Diamond Brooch 15ct Gold 1898 Birmingham S.Bros 2.4g

Victorian diamond & 15ct yellow gold brooch marked 15 Birmingham S.bros 1898. Weight 2.4 grams

An antique Australian 9ct yellow gold miner's brooch with…

Antique Australian Miner's Brooch with Gold Nuggets and Diamond

An antique Australian 9ct yellow gold miner's brooch with crossed pick and shovel with gold nugget specimens entwined in rope, set with an old fashion cut diamond, 19th century, 5.6 cm wide, 3.6 grams

A Victorian diamond brooch, the openwork snowflake brooch…

Victorian Diamond Snowflake Brooch with 4.05cts in Silver & Gold

A Victorian diamond brooch, the openwork snowflake brooch having a principal old cut diamond of 0.85cts surrounded by a row of seven diamonds with radiating diamond set arms and finished with a scalloped border of old and rose cut diamonds totalling 3…

A c1900 15ct yellow gold five diamond wavy bar brooch, the claw…

1900s 15ct Yellow Gold Diamond Wavy Bar Brooch 0.83ct

A c1900 15ct yellow gold five diamond wavy bar brooch, the claw set old European cut diamonds of TDW. 0.83ct. 4.71gm. 'S

Diamond star pendant/brooch, circa 1890, set with old European…

1890 Diamond Star Pendant/Brooch with 8.00 Carats Diamonds

Diamond star pendant/brooch, circa 1890, set with old European and rose-cut diamonds, detachable brooch fitting, estimated total diamond weight 8.00 carats, 15ct gold and silver, weight 17.7gm, length 5.2 cm.

Platinum and diamond pendant/brooch, the openwork plaque set…

Platinum and Diamond Pendant/Brooch with 3.50 Carats Total Weight

Platinum and diamond pendant/brooch, the openwork plaque set with round transitional-cut diamonds, fitted with hinged bales, accompanied by a fine white gold necklace, estimated total diamond weight 3.50 carats, weight brooch 14.3gm, necklace 5.8gm,…

Hardy Bros, 18ct gold, platinum and diamond flower brooch, with…

Hardy Bros 18ct Gold Diamond Flower Brooch, Signed, 1.00ct

Hardy Bros, 18ct gold, platinum and diamond flower brooch, with textured petals, centred by a cluster of round brilliant-cut diamonds, estimated total diamond weight 1.00 carats, signed Hb 18 plat, weight 25.3gm, length 5 cm.

Late Victorian diamond set brooch, being of hollow construction…

Late Victorian Diamond Set Silver Gilt Brooch with Rose Cut Diamond

Late Victorian diamond set brooch, being of hollow construction in silver gilt and set with 1= approximate 0.10ct rose cut diamond. Weight: 8.4 grams.

Diamond set butterfly brooch, an excellent mid to late…

Victorian Diamond Butterfly Brooch with 2.50ct Old Mine Cut

Diamond set butterfly brooch, an excellent mid to late Victorian brooch in yellow gold and silver set with 2.50ct of old mine cut diamonds G colour and above and SI clarity. With safety chain and pin. Weight: 9.8 grams.

Gold and diamond wreath brooch, 18ct yellow gold brooch…

18ct Gold Diamond Wreath Brooch with 1.00cts Diamonds

Gold and diamond wreath brooch, 18ct yellow gold brooch featuring fine round brilliant cut diamonds, F/G colour, and VS clarity, totaling approx 1.00cts, stamped '750' on the back, diameter 2.4 cm, total weight 5.3 grams

White gold and diamond brooch, 18ct white gold with curved…

Diamond and White Gold Brooch with Marquise Cut Center Stone

White gold and diamond brooch, 18ct white gold with curved scroll motifs set with small brilliant cut and single cut diamonds, claw set with a marquise cut diamond to the centre, approx 1.00ct, chipped to end near the girdle, F colour and VS to SI clarity…

Art Nouveau silver and gold and diamond pendant/brooch, rose…

Art Nouveau Silver, Gold, Diamond Pendant/Brooch with Original Receipt

Art Nouveau silver and gold and diamond pendant/brooch, rose gold to a silver top with a demi lune top and stylized drops with an articulated diamond drop to the centre, claw and mill grain set with old mine cut and European cut diamonds, unmarked, with…

An antique diamond pendant/brooch, target pendant and bale…

Antique Diamond Pendant/Brooch with 1.3ct TDW, 10ct White Gold

An antique diamond pendant/brooch, target pendant and bale bezel set with 47 old European and early single cut diamonds, TDW = approx. 1.3ct, size 21 x 28 mm, tests approx. 10ct white gold, bale 17ct gold, wt. 4.37g.

18ct gold spray brooch, French, of foliate design, claw-set…

French 18ct Gold Spray Brooch with Brilliant-Cut Diamonds, 0.42ct

18ct gold spray brooch, French, of foliate design, claw-set with a cluster of brilliant-cut diamonds between textured leaves, the diamonds together weighing approximately 0.42 carats, length 51 mm, gross weight approximately 23.8 grams, trombone clip…

9ct white gold and diamond brooch. The rectangular plaque of…

9ct White Gold Diamond Brooch with Foliate Design

9ct white gold and diamond brooch. The rectangular plaque of openwork foliate design, set throughout with old European-cut diamonds, length 25 mm, width 44 mm, gross weight 11.1 grams

Antique Australian 15ct yellow gold brooch set with a rose cut…

Vintage Australian 15ct Gold Brooch with Diamond & Gemstones

Antique Australian 15ct yellow gold brooch set with a rose cut diamond & blue & red gemstones, marked Aronson & Co Melbourne. Approx weight 4.87 grams

18ct white gold and diamond brooch, Tiffany & Co., designed as…

White Gold Diamond Dragonfly Brooch by Tiffany & Co

18ct white gold and diamond brooch, Tiffany & Co., designed as a stylised dragonfly, the wings and body pave-set with brilliant-cut diamonds, approximately 40 x 30 mm, signed Tiffany & Co., Italy, indistinctly scratch numbered.

18ct bi-colour gold and diamond brooch, designed as a cluster…

Bi-Colour Gold and Diamond Leaf Cluster Brooch with Diamonds

18ct bi-colour gold and diamond brooch, designed as a cluster of textured leaves with polished stems, the branch bead-set with a line of brilliant-cut diamonds, length approximately 75 mm.

Cartier 18ct gold and diamond brooch, of bombe form, the…

Cartier 18ct Gold Diamond Leaf Brooch with Trombone Clip

Cartier 18ct gold and diamond brooch, of bombe form, the textured leaf is accented with a claw-set brilliant cut diamond, the diamond weighing approximately 0.20 carats, length 50 mm, width 28.5 mm, trombone clip fitting, numbered 2xxx9, signed Cartier.

Van Cleef & Arpels 18ct gold and diamond brooch, realistically…

Van Cleef & Arpels 18ct Gold Diamond Frog Brooch

Van Cleef & Arpels 18ct gold and diamond brooch, realistically modelled as a frog with brilliant-cut diamond eyes, the body partially decorated with pave-set diamonds, the diamonds together weighing approximately 1.20 carats, length 33 mm, width 31 mm,…

Art Deco double clip brooch, Crica 1935, property of a private…

1935 Art Deco Diamond Double Clip Brooch, Private Sydney Collection

Art Deco double clip brooch, Crica 1935, property of a private Sydney Collector, designed as a pair of stylised cornucopias, embellished with baguette and brilliant-cut diamonds, the diamonds together weighing approximately 6.50 carats, mounted in…

Solitaire diamond and 18ct white gold brooch approx 1x round…

Diamond Solitaire Brooch: 0.65ct, I-J, VS2, 18ct White Gold

Solitaire diamond and 18ct white gold brooch approx 1x round brilliant cut diamond 0.65ct weight, I-J colour, VS2 clarity. Brooch weight 4.26 grams. Valuation available, approx 1x round brilliant cut diamond 0.65ct weight, I-J colour, VS2 clarity. Brooch…

Victorian 15ct target brooch, central single old mine cut…

Victorian 15ct Diamond Target Brooch with Photo Locket

Victorian 15ct target brooch, central single old mine cut diamond on oval plain platform framed with decorative bright cut wire and bead work with reverse photo locket 35 mm length

Victorian 15ct gold gilt seven stone diamond horse shoe brooch,…

Victorian 15ct Gold Diamond Horse Shoe Brooch with Box

Victorian 15ct gold gilt seven stone diamond horse shoe brooch, box set with early brilliant cut diamonds (slight fault to gilt)

18ct 35 stone diamond circlet brooch, design of five loops each…

18ct Diamond Circlet Brooch with 35 Brilliant Cut Stones

18ct 35 stone diamond circlet brooch, design of five loops each set with panel of pave set round brilliant cut diamonds 35 mm diameter

A diamond spray brooch, featuring a principal diamond spray set…

Diamond Spray Brooch with 2.00cts in 9ct White Gold

A diamond spray brooch, featuring a principal diamond spray set with old cut diamonds amongst leaves, off set by a smaller diamond spray and round brilliant cut diamond leaves, total diamond weight 2.00cts, 9ct white gold, 8.3gms.

An antique diamond and gold star burst pendant/brooch, set…

Antique Diamond Star Burst Pendant/Brooch, 14ct Gold, 10.1gms

An antique diamond and gold star burst pendant/brooch, set throughout with rose cut diamonds and finished with three diamond set tassels, glazed section to the reverse, 14ct gold, 10.1gms.

A diamond flower cluster bar brooch, centrally set with an old…

0.52ct Diamond Flower Cluster Bar Brooch in 18ct Gold

A diamond flower cluster bar brooch, centrally set with an old European cut diamond of 0.52cts, surrounded by eleven further diamonds, 18ct white gold, 4.95gms.

An Australian 18ct white gold diamond leaf bar brooch, William…

18ct White Gold Diamond Leaf Bar Brooch, William Drummond Melbourne

An Australian 18ct white gold diamond leaf bar brooch, William Drummond & Co. Melbourne, one mine cut diamond, 0.20ct. Three single cut diamonds, 0.7ct in total., Wt 3.6 grams

Bucherer 18ct gold, diamond and gem-set brooch form watch mid…

Bucherer 18ct Gold Diamond Birdcage Brooch Watch, Mid 20th Century

Bucherer 18ct gold, diamond and gem-set brooch form watch mid 20th century. Dial: gilt, dot and Arabic hour markers. Calibre: manual winding, 17 jewels. Case: designed as a diamond-set bird and birdcage with open door revealing a watch dial, crown at base…

18ct white gold and diamond brooch. Of spray bouquet design,…

Vintage Diamond Bouquet Brooch in 18ct White Gold

18ct white gold and diamond brooch. Of spray bouquet design, claw-set with ten old European and old-cushion-cut diamonds, the centre stem and ribbon set throughout with brilliant and single-cut diamonds, the diamonds together weighing approximately 13.50…

Antique 15ct rose gold and diamond brooch marked AandC Ltd 15ct.…

A&C Ltd 15ct Rose Gold Diamond Brooch, 2.81g

Antique 15ct rose gold and diamond brooch marked AandC Ltd 15ct. Approx weight 2.81 grams

Edwardian 15ct gold, diamond & blue stone brooch, stamped 15ct…

15ct Gold Brooch with Blue Stone and Diamonds, Edwardian Style

Edwardian 15ct gold, diamond & blue stone brooch, stamped 15ct verso, featuring a cushion cut dark blue stone in a beaded bezel setting, flanked by two rough cut diamonds, within a pierced 15ct yellow gold frame tapering at the ends, total weight 4.44gm,…

Australian 15ct gold and diamond bar brooch, set with three…

Australian 15ct Gold Diamond Bar Brooch with Three Diamonds

Australian 15ct gold and diamond bar brooch, set with three brilliant cut diamonds, total weight 2.7gm, length 5.4 cm

15ct yellow gold tiger brooch, Chinese central tiger with inset…

15ct Yellow Gold Chinese Tiger Brooch with Diamond Inset

15ct yellow gold tiger brooch, Chinese central tiger with inset diamond (tested 15ct)

18ct white gold and diamond brooch, Alfieri, designed as a…

Alfieri Diamond Ribbon Brooch, 18ct White Gold, 2.31ct

18ct white gold and diamond brooch, Alfieri, designed as a twisted ribbon, pave -set throughout with brilliant-cut diamonds together weighing approximately 2.31 carats, approximately 92 mm, indistinctly signed Alfieri, Italian maker's marks.

Two gold and diamond bar brooches, 18ct yellow gold bezel set…

Gold and Diamond Bar Brooches with Cognac and White Diamonds

Two gold and diamond bar brooches, 18ct yellow gold bezel set with 3 round brilliant cut cognac diamonds, stamped 750. 18ct white gold bar brooch claw set with 0.30ct diamond, total weight of two brooches 7.9grams

Diamond flower brooch, France, designed as a rose, the bud and…

French Diamond Rose Brooch with 3.00 Carats, Platinum & Gold

Diamond flower brooch, France, designed as a rose, the bud and leaves embellished with circular-cut diamonds, the diamonds together weighing approximately 3.00 carats, mounted in platinum and 18ct white gold, length 46 mm, width 26 mm, French assay marks.

Rare Georgian diamond brooch, silver and gold rectangular…

Georgian Diamond Brooch with Acanthus Leaves and 'C' Scrolls

Rare Georgian diamond brooch, silver and gold rectangular plaque adorned with acanthus leaves and 'C' scrolls. Decorated with rose cut, briolette, and slice cut diamonds, unstamped, tested to be 43% silver, 19% gold, and 36% copper, length 5 cm, 20.3grams…

Vesco, 18ct gold and diamond crocodile brooch, designed as a…

Vesco 18ct Gold Crocodile Brooch with Diamond Eyes

Vesco, 18ct gold and diamond crocodile brooch, designed as a crocodile with round brilliant-cut diamond eyes, estimated total diamond weight 0.20 carats, weight 63gm, length 11.8 cm.

An 18ct white gold and diamond Art Deco bow brooch, with 0.24ct…

Art Deco Diamond Bow Brooch in 18ct White Gold

An 18ct white gold and diamond Art Deco bow brooch, with 0.24ct modern round brilliant cut diamond to the centre framed by pierced lave like sides grain set with one hundred and twelve small round brilliant cut diamonds .Millegrained edges. TDW 1.00ct.…

Victorian diamond, rose gold & silver brooch frame, size 34 x…

Victorian diamond brooch frame in rose gold & silver

Victorian diamond, rose gold & silver brooch frame, size 34 x 15 mm, weight 4.50 grams

Victorian rose gold & rose cut diamond brooch marked W,…

Victorian Rose Gold Diamond Brooch, Marked W, 9ct, 8.4g

Victorian rose gold & rose cut diamond brooch marked W, diameter 29.5, weight some bruising to the reverse. 8.4 grams, tests as 9ct

18ct gold, diamond & agate snail brooch/pendant, stamped 18k to…

18ct Gold Diamond Agate Snail Brooch/Pendant with Banded Body

18ct gold, diamond & agate snail brooch/pendant, stamped 18k to bail, in the form of a snail with banded agate body, bezel set on an 18ct yellow gold framework with elongated neck, the eyes set with two small round cut diamonds in a bezel setting, with…

18ct gold and diamond brooch, of Art Nouveau design, depicting…

Art Nouveau Dragon Brooch with Diamonds in 18ct Gold

18ct gold and diamond brooch, of Art Nouveau design, depicting two dragons, each holding a diamond in the mouth, length 25 mm, width 30 mm, weight approximately 5.3 grams.

15ct gold and diamond brooch, of bar design, comprising nine…

15ct Gold Diamond Bar Brooch with 0.35ct Old Diamonds

15ct gold and diamond brooch, of bar design, comprising nine claw-set old European-cut diamonds weighing approximately 0.35 carats, length 55 mm, weight approxiamtely 3.1 grams.

A vintage 18ct gold diamond bow brooch, fluted bow set with 3…

Vintage 18ct Gold Diamond Bow Brooch with Fluted Design

A vintage 18ct gold diamond bow brooch, fluted bow set with 3 single cut diamonds, makers stamp Cb, size 50 x 27 mm, wt. 11.3g.

An Art Deco 15ct gold diamond bar brooch, tapered bar set with…

Art Deco 15ct Gold Diamond Bar Brooch with Safety Chain

An Art Deco 15ct gold diamond bar brooch, tapered bar set with an old European cut diamond estimated as 0.08ct, safety chain attached, length 15.5 cm, wt. 3.28g.

An antique 18ct yellow gold oval brooch, set with three…

1870 Antique 18ct Gold Diamond Brooch with Mourning Window

An antique 18ct yellow gold oval brooch, set with three diamonds, circa 1870, reverse fitted with mourning window, and housed in original box, 4 cm wide, 13.6 grams total

Diamond Brooch/Clasp, of ornate foliate design, pave-set with…

Ornate Diamond Brooch: 1.30ct Brilliant-Cut Diamonds, 18ct White Gold

Diamond Brooch/Clasp, of ornate foliate design, pave-set with brilliant-cut diamonds, the diamonds together weighing approximately 1.30 carats, mounted in 18ct white gold, brooch and clasp attachments, length 40 mm, width 21 mm, gross weight approximately…

Diamond brooch, modelled as a ribbon-bow, pave-set with…

Brilliant Diamond Ribbon-Bow Brooch in 18ct White Gold

Diamond brooch, modelled as a ribbon-bow, pave-set with brilliant-cut diamonds, the diamonds together weighing approximately 1.00 carats, mounted in 18ct white gold, length 29 mm, width 27 mm, gross weight approximately 11.8 grams, accompanied by a box.

18ct gold brooch, modelled as a fern, the stem pave-set with…

Diamond-Adorned Fern Brooch in 18ct Gold: Elegant Nature-inspired Jewelry

18ct gold brooch, modelled as a fern, the stem pave-set with brilliant-cut diamonds to two-tone leaves accented with similarly set brilliant-cut diamonds, the diamonds together weighing approximately 0.12 carats, length 64 mm, width 24 mm, gross weight…

14ct gold and diamond brooch, modelled as a four leaf clover,…

14ct Gold Diamond Four Leaf Clover Brooch

14ct gold and diamond brooch, modelled as a four leaf clover, centring a claw-set old European-cut diamond weighing approximately 0.30 carats, with textured leaves and stem, length 33 mm, width 27 mm, gross weight approximately 8.5 grams, indistinct…

Modernist diamond & 9ct rose gold brooch marked 9ct. Approx…

Modernist Diamond & 9ct Rose Gold Brooch - 2.97g, 6.5mm

Modernist diamond & 9ct rose gold brooch marked 9ct. Approx weight 2.97 grams, 6.5 mm

A vintage 18ct gold floral diamond brooch, stylised sunflower…

Vintage 18ct Gold Floral Diamond Sunflower Brooch with Leaves

A vintage 18ct gold floral diamond brooch, stylised sunflower with central disc florets set with 6 single cut diamonds surmounted by 2 leaves, rubbed makers stamp, size 55 x 38 mm, wt. 18.79g.

18ct white gold and diamond brooch; modelled as a cluster of…

Cluster Bow Diamond Brooch in 18ct White Gold

18ct white gold and diamond brooch; modelled as a cluster of bow motifs, featuring four principle claw-set brilliant-cut diamonds and set throughout with single-cut diamonds, the diamonds together weighing approximately 2.10 carats, measuring…

Art Deco diamond double-clip brooch, circa 1930; of buckle…

1930 Art Deco Diamond Double-Clip Brooch with 9.15 Carats

Art Deco diamond double-clip brooch, circa 1930; of buckle design, the openwork brooch is decorated with baguette, marquise-shaped and circular-cut diamonds together weighing approximately 9.15 carats, mounted in platinum and 18ct white gold, detachable…

Platinum and diamond dress clip, circa 1935; the Art Deco clip…

1935 Art Deco Diamond Dress Clip - Platinum and White Gold

Platinum and diamond dress clip, circa 1935; the Art Deco clip is styled as a banner centring a rubover-set old European-cut diamond weighing approximately 0.40 carats, upon a geometric openwork surround set throughout with channel-set baguette diamonds…

Gold and diamond brooch, circa 1880; centring a star-set old…

1880 Gold and Diamond Star Brooch, 0.07ct, 20ct Gold

Gold and diamond brooch, circa 1880; centring a star-set old European-cut diamond weighing approximately 0.07 carats, mounted in 20ct gold with a base metal brooch pin, length 43 mm, width 21 mm, total gross weight approximately 4 grams.

Diamond brooch, circa 1950; of ribbon design, centring a…

1950s Diamond Ribbon Brooch with 0.91ct Brilliant-Cut Diamonds

Diamond brooch, circa 1950; of ribbon design, centring a bezel-set round brilliant-cut diamond with further round brilliant-cut diamonds bead-set to the surround and two tapered sections, the diamonds together weighing approximately 0.91 carats, mounted…

Diamond brooch, circa 1961; of spiral design, the tapering…

1961 Diamond Spiral Brooch

Diamond brooch, circa 1961; of spiral design, the tapering open-grooved ribbon accented with claw-set and bead-set round brilliant-cut diamonds to the buckle and along one edge, the diamonds together weighing approximately 1.70 carats, mounted in 18ct…

Diamond brooch; of openwork design, centring a bezel-set early…

Openwork Diamond Brooch with Brilliant-Cut Diamonds, Platinum and Gold

Diamond brooch; of openwork design, centring a bezel-set early round brilliant-cut diamond upon a pierced surround, accented throughout with 20 bead-set early round brilliant-cut diamonds, the diamonds together weighing approximately 0.39 carats, mounted…

Diamond brooch, circa 1935; the plaque of openwork design,…

1935 Diamond Brooch with 2.28 Carats of Old Mine-Cut Diamonds

Diamond brooch, circa 1935; the plaque of openwork design, accented with bead-set and bezel-set old mine-cut diamonds and channel-set baguette diamonds together weighing approximately 2.28 carats, mounted in platinum with a 9ct white gold brooch pin,…

Lovely Cartier 18ct Tritone gold & diamond brooch, signed…

Cartier Diamond Brooch in 18ct Tritone Gold, Rope Twist Design

Lovely Cartier 18ct Tritone gold & diamond brooch, signed Cartier, 750, #145124, in rope twist design accented with two small round cut diamonds, total weight 3.26gm, width 5.2 cm

A Belle Epoque diamond brooch, octagonal pierced plaque set…

Belle Epoque Diamond Brooch with 2.5ct Total Diamonds

A Belle Epoque diamond brooch, octagonal pierced plaque set with a principal old cut diamond weighing 0.77cts set with further old cut diamonds as flowers, foliage and garlands, diamonds total 2.50cts, crafted in gold, total weight 9.45gms.

18ct gold and diamond brooch, unmarked, tested as 18ct, of…

18ct Gold Diamond Organic Brooch

18ct gold and diamond brooch, unmarked, tested as 18ct, of organic form, in textured satin and polished finish, accented with two round cut diamonds to centre on four claw settings, total weight 5.85gm, length 3.5 cm

18ct yellow gold, diamond and tiger's eye brooch, stamped 18K,…

Crab Brooch with Diamonds and Tiger's Eye

18ct yellow gold, diamond and tiger's eye brooch, stamped 18K, in the form of a crab, featuring two round cut diamonds in a four claw setting as eyes and a tigers eye body, with incised textured detailing to claws and polished rear legs, total weight 13…

14ct yellow gold and diamond brooch, stamped 14k, of wreath…

14k Gold & Diamond Flower Wreath Brooch

14ct yellow gold and diamond brooch, stamped 14k, of wreath form with five equally spaced flower heads, each containing a single round cut diamond on a four prong setting, total weight 5.07gm, diameter approx 3.5 cm

An antique Australian 15ct gold stone set brooch, swirl design…

Australian 15ct Gold Diamond Swirl Brooch by Horden & Sons

An antique Australian 15ct gold stone set brooch, swirl design set with an old European cut diamond of approx. 0.13ct, off round cut, safety chain attached, size 10.3 x 47 mm, wt. 4.12g, in box, marks for Anthony Horden and Sons.

An antique French 18ct three tone gold diamond brooch, yellow…

French 18ct Diamond Flower Brooch

An antique French 18ct three tone gold diamond brooch, yellow gold star brooch centring a flower set with 3 rose cut diamonds 1 missing with applied flowers in yellow, white and rose gold to a rose and yellow gold pierced floral surround, size 25 mm, wt.…

Chanel, brooch, gold plated enhanced by diamond quilting,…

Chanel Diamond Quilted Gold Brooch

Chanel, brooch, gold plated enhanced by diamond quilting, interlocking CC logo, bar pin closure, stamped 'Chanel', height 3.5 cm, width 4.5 cm

15ct gold and diamond brooch/pendant, circa 1880, designed as a…

Sunburst Diamond Brooch/Pendant

15ct gold and diamond brooch/pendant, circa 1880, designed as a sunburst centring a pinch and rub-set old mine-cut diamond framed by ten similarly set old mine-cut diamonds and rays set with rose-cut diamonds, the diamonds together weighing approximately…

Platinum and diamond brooch, the lozenge-shaped open work…

Diamond and Platinum Palmette Brooch

Platinum and diamond brooch, the lozenge-shaped open work plaque bead-set to the centre with a line of nine old European-cut diamonds, framed by a finely engraved and filigree surround embellished by four diamond-set palmette motifs, the diamonds together…

Mario Buccellati 18ct gold and diamond brooch, modelled as a…

Buccellati Diamond Foliate Brooch

Mario Buccellati 18ct gold and diamond brooch, modelled as a foliate spray with burin engraved leaves decorated at intervals with collet-set brilliant-cut diamonds, the diamonds together weighing approximately 0.50 carats, length 83 mm, trombone clip…

Diamond horse brooch, modelled as a running horse, the tail and…

Pave Diamond Running Horse Brooch

Diamond horse brooch, modelled as a running horse, the tail and mane pave-set with brilliant-cut diamonds to a textured gold body, the diamonds together weighing approximately 0.22 carats, mounted in platinum and 18ct gold, length 59 mm, width 28 mm.

Diamond brooch, the openwork plaque set with old European,…

Platinum and Diamond Brooch, 2.75 ct

Diamond brooch, the openwork plaque set with old European, single and rose-cut diamonds, estimated total diamond weight 2.75 carats, mounted in platinum and gold, weight 8.6gm, length 5 cm