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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…

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…

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 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 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…

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 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 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 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…

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…

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…

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…

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 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,…

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.…

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…

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

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

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…

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…

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…

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 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…

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, 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 & 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, 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…

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 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

Floral spray brooch, 19th century, set throughout with rose and…

Rose Diamond Floral Brooch

Floral spray brooch, 19th century, set throughout with rose and old European-cut diamonds, mounted in gold and silver, weight 10.5gm, length 6 cm.

Diamond double clip brooch composed of two clips with a central…

Double Diamond Clip Brooch with 30ct Diamonds

Diamond double clip brooch composed of two clips with a central link, of openwork design, set with baguette, square step and old European-cut diamonds, estimated total diamond weight 30 carats, platinum and gold, weight 22.4gm, length 5.8 cm.

Coloured diamond and diamond brooch, the stylised leaves set…

Fancy Intense Yellow Diamond Brooch with Colored Diamonds

Coloured diamond and diamond brooch, the stylised leaves set with round brilliant-cut diamonds and suspending two round brilliant-cut fancy intense yellow diamonds, weighing 1.90 carats and 1.70 carats respectively, 18ct gold, weight 10.8gm, length 4.5 cm…

Pair of diamond clips, each clip of spray design set with…

50 Carat Diamond Spray Clip Brooches

Pair of diamond clips, each clip of spray design set with single, brilliant and baguette-cut diamonds, mounted in a brooch fitting, estimated total diamond weight 50 carats, 18ct gold, gross weight 16.5gm, length 4.5 cm.

15ct gold diamond and gem-set brooch, designed as an arrow, the…

Arrow Brooch with Blue Pastes and Diamonds

15ct gold diamond and gem-set brooch, designed as an arrow, the centre featuring a horseshoe motif, set with graduating blue pastes and rose-cut diamonds, length approximately 75 mm.

18ct white gold and diamond brooch, modelled as a bouquet of…

Diamond Flower Bouquet Brooch

18ct white gold and diamond brooch, modelled as a bouquet of flowers, set throughout with brilliant-cut diamonds, measuring approximately 35 x 50 mm.

Platinum, 18ct white gold and diamond brooch, modelled as a bow,…

Diamond Bow Brooch

Platinum, 18ct white gold and diamond brooch, modelled as a bow, set throughout with brilliant and baguette-cut diamonds together weighing approximately 1.19 carats, measuring approximately 30 x 28 mm.

18ct two-tone gold and diamond brooch, of open design, the ends…

Two-Tone Gold and Diamond Open Brooch

18ct two-tone gold and diamond brooch, of open design, the ends detailed with single-cut diamonds, measuring approximately 42 x 40 mm.

Garrard &, Co.12ct gold and diamond bar brooch, centring a…

Garrard & Co. Diamond Bar Brooch

Garrard &, Co.12ct gold and diamond bar brooch, centring a row of seven claw-set brilliant-cut diamonds, within graduating diamond surrounds, the diamonds together weighing approximately 2.00 carats, unsigned, length approximately 62 mm, accompanied by…

15ct rose gold, platinum and diamond brooch, modelled as a bow,…

Diamond Bow Brooch in Rose Gold and Platinum

15ct rose gold, platinum and diamond brooch, modelled as a bow, set throughout with old European-cut diamonds together weighing approximately 0.72 carats, measuring approximately 40 x 18 mm, accompanied by a fitted box.

15ct gold and diamond brooch, centring a floral cluster of old…

Floral Diamond Brooch in 15ct Gold

15ct gold and diamond brooch, centring a floral cluster of old European-cut diamonds together weighing approximately 0.35 carats, length approximately 57 mm.

18ct white gold brooch a mid century brooch that is set with an…

Mid-Century Diamond Brooch in 18ct White Gold

18ct white gold brooch a mid century brooch that is set with an old mine cut diamond approximate 0.52ct P colour P1 clarity and 0.49ct old mine cut J colour Si clarity. There are a further 7=0.175ct old mine cut diamonds K colour Si clarity and another…

14ct white gold and diamond brooch. Modelled as a wreath,…

Diamond Wreath Brooch, 2.00 ct

14ct white gold and diamond brooch. Modelled as a wreath, comprising a double row of claw-set brilliant-cut diamonds terminating in a diamond cluster, the diamonds together weighing approximately 2.00 carats, diameter approximately 30 mm, weight…

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

Diamond Spray Brooch in 18ct White Gold

18ct white gold and diamond brooch. Of spray design, set throughout with claw-set brilliant-cut diamonds together weighing approximately 6.25 carats, measuring approximately 49 mm x 30 mm, weight approximately 17.9 grams. Provenance: The property of a…

Attractive 14ct gold and diamond brooch, stamped 585, of…

Diamond Ribbon Brooch in 14ct Gold

Attractive 14ct gold and diamond brooch, stamped 585, of organic interwoven ribbon design, one strand featuring eleven round cut graduated diamonds in a white gold channeled setting, mirrored with an array of three larger round cut diamonds on protruding…

14ct gold and diamond leaf brooch, by Harry S. Bick of New York,…

Harry S. Bick 14ct Gold Diamond Leaf Brooch

14ct gold and diamond leaf brooch, by Harry S. Bick of New York, marked Hsb, 14ct, in the form of a leaf with incised textured detailing, inset with five small round cut diamonds, total weight 4.40gm, width 4.6 cm

Beautiful 18ct white gold and diamond brooch, unmarked (tested…

18ct White Gold Diamond Wheat Brooch

Beautiful 18ct white gold and diamond brooch, unmarked (tested 18ct), in the form of a sheaf of wheat, finely studded with approximately sixty round cut diamonds and six rectangular step cut diamonds on a 18ct white gold setting, with pendant loop verso,…

A Victorian 9ct gold and silver diamond and moonstone entwined…

Victorian Diamond and Moonstone Heart Brooch

A Victorian 9ct gold and silver diamond and moonstone entwined heart brooch, the two heart shaped cabochon moonstones of 3.00cts, their frame and ribbon top set with 50 old rose cut diamonds of 0.85ct.

Antique 9ct yellow gold diamond brooch, ornate engraved…

Ornate 9ct Gold Diamond Flower Brooch (1 Stone Missing)

Antique 9ct yellow gold diamond brooch, ornate engraved decorations and filigree flower design, (one stone missing)

14ct yellow gold round brooch, featuring 10 x round brilliant…

Wave Diamond Brooch in 14ct Yellow Gold

14ct yellow gold round brooch, featuring 10 x round brilliant cut diamonds of estimated total weight .80 carats, in a wave design. Finished weight 6.30 grams. Diameter 35 mm.

9ct white gold ornate, bead set and clawset diamond brooch with…

Ornate Diamond Brooch with Leaf Drop Detail

9ct white gold ornate, bead set and clawset diamond brooch with central floral detail accented by round brilliant and single cut diamonds. From centre is a linked, diamond drop detail in a leaf pattern at base. Back of brooch is secured with pin and…

14ct yellow gold brooch, filligree design, set with one early…

Filigree Diamond Brooch in 14ct Yellow Gold

14ct yellow gold brooch, filligree design, set with one early round brilliant cut diamond of approximate weight .05 carats. Length is 43 mm. Finished weight 2.66 grams.

18ct 107 stone diamond bow brooch, pave set with round…

Royal Brunei Gift: 18ct Diamond Bow Brooch (1.62cts)

18ct 107 stone diamond bow brooch, pave set with round brilliant cut diamonds approx 1.62cts, this brooch gifted to our vendor by the Royal Bolkiah family of Brunei

Platinum and diamond double clip brooch, circa 1938 modelled as…

Diamond Platinum Bow Brooch

Platinum and diamond double clip brooch, circa 1938 modelled as a stylised bow, the symmetrical open work plaque is set throughout with baguette, semi-modern-cut and early single-cut diamonds, the diamonds together weighing approximately 5.00 carats,…

A 19th century colonial fancy 15ct gold and pounamu thematic…

Colonial Love Brooch

A 19th century colonial fancy 15ct gold and pounamu thematic brooch, the diamond facet cut nephrite panel framed by leaves and florals, bird with love letter highlight, the letter engraved 'Dinna Forget'.

T. Gaunt and Co. Diamond pendant/brooch, Australian, circa 1910,…

T. Gaunt Diamond Pendant/Brooch, Australian, circa 1910

T. Gaunt and Co. Diamond pendant/brooch, Australian, circa 1910, property from a private Sydney collection, of garland style, the openwork frame embellished with stylised scroll and foliate motifs decorated with old mine-cut diamonds terminating on three…

Tiffany & Co., diamond floral brooch, 18ct yellow gold…

Tiffany & Co. Diamond Floral Brooch in 18ct Gold

Tiffany & Co., diamond floral brooch, 18ct yellow gold featuring 5 round brilliant cut diamonds, with textured design, stamped 'Tiffany & Co. 750', 6 grams, size 2.5 cm

Tiffany & Co., leaf brooch, 18ct yellow gold branch with 7…

Tiffany & Co. Diamond Leaf Brooch

Tiffany & Co., leaf brooch, 18ct yellow gold branch with 7 round brilliant cut diamonds, stamped 'Tiffany & Co. 18k Italy', 11 grams, length 5 cm

Buccellati, leaf brooch, 18ct yellow gold, designed with single…

Buccellati Diamond Leaf Brooch

Buccellati, leaf brooch, 18ct yellow gold, designed with single wave of round brilliant cut diamonds, set in white gold, with satin finish, signed 'Buccellati' and stamped '750', 9 grams, length 6 cm

Three 9ct yellow gold pieces for restoration includes an…

Gold Jewelry Restoration Lot

Three 9ct yellow gold pieces for restoration includes an antique Australian bar brooch marked Aronson 9, diamond set cross missing a stone and a name badge marked 9c (solder repair) Approx total weight 4 grams

Antique Australian diamond set 18ct white gold & platinum bar…

Antique Diamond Bar Brooch, 18ct White Gold & Platinum

Antique Australian diamond set 18ct white gold & platinum bar brooch. Marked H.Bros, 18ct, plat. Approx old mine cut diamond 0.10ct, 2x baguettes =0.09ct estimated. item weight 3.77 grams

Damiani, 18ct gold and diamond brooch, designed as a gold mesh…

Damiani Diamond Fan Brooch in 18ct Gold

Damiani, 18ct gold and diamond brooch, designed as a gold mesh fan with the silhouette of a woman embellished with brilliant-cut diamonds, estimated total diamond weight 0.10 carats, signed Damiani, Italian registry marks, 18ct gold, weight 6.7gm,…

Beryl and diamond brooch, 19th century, of quatrefoil design…

Quatrefoil Beryl and Diamond Brooch

Beryl and diamond brooch, 19th century, of quatrefoil design set with square step-cut green beryl and accented with old-mine and brilliant-cut diamonds, mounted in silver and gold, weight 11.7gm, length 3.5 cm. Provenance: Lady Mount Stephen (1864-1933).…

18ct white gold and diamond stick pin brooch, twin central…

Diamond Fern Stick Pin Brooch

18ct white gold and diamond stick pin brooch, twin central diamonds fern leaf design