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 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
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 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 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,…
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).…
Diamond Fern Stick Pin Brooch
18ct white gold and diamond stick pin brooch, twin central diamonds fern leaf design
1940's Diamond Brooch in 18ct Gold
A stylish 1940's 18ct gold and diamond brooch, the triple tapered scrolls highlighted with 30 old cut diamonds. Double pin back fastening. Testing as 18ct or higher. 17.6gms.
Aesthetic Movement Diamond Brooch in Fitted Box
An Aesthetic movement 18ct yellow gold oval brooch set with three diamonds, housed in a plush fitted box, circa 1870s. Reverse with locket window back. 4 cm wide, 14 grams total
18ct Gold Diamond Rose Brooch with Trembling Petals
A French 18ct gold and diamond articulated rose brooch, featuring 7 folding pierced and textured petals to centre of 19 pistils each set en tremblant with a round brilliant cut diamond, totalling approx. 1.00ct, to textured leaves and stem with double pin…
Antique Style Diamond Brooch, 1.60ct, 14ct White Gold
14ct white gold antique style 35.5 x 16.3 mm rectangular diamond brooch, set with one-hundred and twelve single cut and round brilliant cut diamonds and of reported total weight 1.60 carats (center diamond approx .20ct). Total weight 7.90 grams.
Diamond Floral Bar Brooch in 18ct White Gold
18ct white gold and diamond bar brooch, round brilliant and single cut diamonds of approximate total weight 1.10 carats, set in a double floral bouquet. Length 57 mm. Total weight 7.76 grams.
Cartier Diamond Heart Brooch in 18ct Gold
Cartier, 18ct gold and diamond brooch, of bar design, one end set with a heart motif and nine brilliant-cut diamonds, signed Cartier, length approximately 36 mm.
Diamond Double Clip Brooch in Platinum and White Gold
Platinum, 14ct white gold and diamond double clip brooch, each clip of open geometric design, grain-set throughout with transition-cut diamonds together weighing approximately 1.05 carats, length approximately 47 mm, diamonds approximately G/H colour,…
Floral Diamond Bar Brooch
18ct white gold and diamond brooch, of bar design, comprising three floral diamond clusters together weighing approximately 1.74 carats, length approximately 54 mm, accompanied by a period William Drummond & Co. box, weight approximately 5.4 grams
Spray Design Diamond Brooch in 18ct White Gold
18ct white gold and diamond brooch, of spray design, set throughout with transition and old European-cut diamonds together weighing approximately 2.71 carats, length approximately 45 mm, diamonds approximately F/G colour and VS clarity, weight…
German Floral Brooch with Diamond Pastes
A vintage rolled gold German floral brooch, the floral spray with diamond pastes.
15ct Gold Shooting Star Diamond Brooch
Modern 15ct gold and diamond shooting star brooch, curved double bar form.
Victorian Diamond Bow Brooch with 0.61ct TDW
A late Victorian 9ct yellow gold and silver diamond set bow brooch, the central diamond of approx. 0.16ct. 37 further old cut diamonds set to the entire brooch. TDW. 0.61ct.
Victorian Diamond Gold Brooch
A Victorian gilded 18ct gold oval brooch, set with single rose cut diamond.
Victorian Blue Enamel Diamond Ball Watch with Bow
A Victorian 18ct white gold, guilloche bleu du roi enamelled and diamond set ball watch, on later 9ct white gold bow, the diamond set large bow with suspended ball watch highlighted with three bands of diamonds. Running.
18ct Gold and Diamond Bar Brooch with Platinum Coronet
An estate 18ct gold, platinum and diamond bar brooch, a 2.30ct old mine cut diamond (colour I, clarity Si1), claw set in a platinum 'Rex' style coronet, the knife edge gold bar with a thin strip of platinum to the top, the catch with hinged safety clip.
Edwardian Diamond Bar Brooch with 1.03ct Old Mine Cut
An Edwardian diamond bar brooch, centring a claw set old mine cut diamond of approx. 1.03ct, J/P1 adjacent to 22 old European cut diamonds totalling approx. 1.75ct, Si-P1, (1 chipped,) stamped 15 plat and a star, tests for a mix of gold and 63% platinum,…
18ct Rose Gold Diamond Bar Brooch with 0.10ct Diamond
An 18ct rose gold diamond bar brooch, one old European cut diamond, 0.10ct mounted in a rose gold bar brooch, Wt 3.5 grams
Victorian Diamond Cluster Bar Brooch
Victorian 15ct diamond bar brooch, plain bar mounted with two old mine cut diamond clusters, claw and rub-over set (one central diamond with chip)
Edwardian Diamond Floret Brooch with 17 Stones
Edwardian 9ct 17 stone diamond floret brooch, leaf and petal set with rose cut diamonds, central old European cut approx. 0.53cts
120 Diamond Spray Brooch in 18ct White Gold
18ct white gold 120 stone diamond spray brooch, nine central round brilliant cut daimonds approx 1.29cts TDW the leaf and scroll design all set with baguette and single cut diamonds
Diamond Bee Brooch/Pendant
A 14ct yellow gold and silver bee brooch / pendant possibly Victorian, fully set body and wings with diamonds, featuring one old mine cut diamond in the centre of approximately .30 carats, and the remaining diamonds are small old mine and rose cuts of a…
Rose Gold Diamond Bar Brooch with Filigree Trim
14ct rose gold bar brooch, four round brilliant cut diamonds set to centre, filigree trim, with pin and safety chain, stamped '585 Js', 5 grams, length 4.5 cm
Tiffany & Co. Diamond Dogwood Brooch
Tiffany & Co. diamond 'Dogwood' brooch, modelled as a floral spray, the stamens centring a claw-set brilliant-cut diamond, the diamonds together weighing approximately 0.24 carats, mounted in 18ct gold, length 59 mm, signed Tiffany & Co.
14ct Gold Arts & Crafts Diamond Brooch Set
Two brooches in 14ct yellow gold Arts and crafts styled brooch, diamond set and a Comedy / tragedy motif brooch. Weight: 23.3 grams.
Victorian Style Diamond Brooch in Yellow Gold
Diamond set brooch set with 35 small old European cut diamonds mounted in 9ct yellow gold and silver in a mid -Victorian style. Total weight: 5.0 grams.
Millegrain Diamond Bar Brooch in 14ct Gold
Diamond bar brooch millegrain-set with old European-cut diamonds, mounted in 14ct gold, weight 7.2gm, length 7.0 cm.
Abstract Diamond Brooch in 14ct Gold
Diamond brooch, of abstract design, set with fancy and single-cut diamonds, estimated diamond weight 0.40 carats, mounted in 14ct gold, weight 9.8gm, length 3.0 cm.
En Tremblant Diamond Floral Brooch
Gold and diamond floral brooch, the articulated textured petals opening to reveal en tremblant filaments set with round brilliant-cut diamonds, estimated total diamond weight 1.00 carats, signed made in France and French export marks, 18ct gold, weight 32…
Starburst Diamond Brooch by Andrew Grima
Andrew Grima, diamond-set brooch, 1964 of starburst design, the gold wires with beaded finials and brilliant-cut diamond highlights, unsigned, maker's mark H.J. Co, London hallmark, 18ct gold weight 33.2gm, length 6.0 cm. For a similar example see Bonhams…
Platinum Diamond Bow Brooch with 80 Diamonds
An antique diamond bow brooch, set in platinum on a 15ct gold ground centring a millegrain set old European cut diamond of approx. 0.40ct SI2 to bow form surround and articulating ribbons set with 75 old European and early round cut diamonds to ends…
Gold and Diamond Horseshoe Brooch by G&T Young Ltd
G. & T. Young Ltd. (Dunedin) gold and diamond horseshoe brooch, the engraved horseshoe mounted with three claw set brilliant cut diamonds. W.22 mm. 3.6gms.
Garnet and Diamond Crescent Brooch
Victorian 9ct brooch, crescent shape set with garnets and diamond
Graduating Diamond Brooch in 18ct Gold and Platinum
18ct gold, platinum and diamond brooch, comprising five collet-set graduating old European-cut diamonds within a pierced diamond surround, the diamonds together weighing approximately 0.40 carats, length approximately 70 mm.
Two-Tone Diamond Ribbon Brooch
18ct two-tone gold and diamond brooch, of retro scrolled ribbon and tassel design, set throughout with single-cut diamonds together weighing approximately 0.22 carats, length approximately 85 mm.
Textured Gold & Diamond Floral Brooch/Pendant by Tiffany & Co
Tiffany & Co. 18ct gold and diamond brooch/pendant, of textured floral design, centring a circle of five claw-set brilliant-cut diamonds together weighing approximately 0.25 carats, diameter approximately 40 mm.
French Two-Tone Diamond Knot Brooch
18ct two-tone gold and diamond brooch, French, of knot design, comprising a central row of claw-set brilliant-cut diamonds together weighing approximately 1.92 carats, stamped made in France, diameter approximately 35 mm.
Diamond Horseshoe Brooch
15ct gold, silver and diamond brooch, designed as a double horseshoe and nail, set throughout with old European-cut diamonds together weighing approximately 3.00 carats, length approximately 48 mm.
Diamond Brooch in 14ct White Gold
14ct white gold and diamond brooch, the rectangular pierced plaque, set throughout with old European-cut diamonds together weighing approximately 1.80 carats, Continental marks, length approximately 56 mm.
Art Deco Diamond Bar Brooch, 15ct Rose Gold
Art Deco diamond and 15ct rose gold bar brooch marked 15ct, 1x mille grain set old mine cut diamond 0.14ct, weight 2.5 grams
Garnet and Diamond Crescent Brooch
Victorian 9ct brooch, crescent shape set with garnets and diamond
Art Deco Diamond Brooch
Handmade brooch of pierced Art Deco style, millgrained, with gapped chenier gallery support. Accented with 19 round brilliant cut diamonds of reported total diamond weight 1.20ct. Platnium. Reported weight 7.61 grams. Size 6.30 x 1.3 cm.
18ct White Gold Diamond Bar Brooch - 0.50ct Total
An 18ct White gold, rhodium plated diamond bar brooch, featuring 3 bezel set round brilliant cut diamonds of reported, total diamond weight 0.50ct. G-H colour. VS1-VS2 clarity. Reported weight: 3.97 grams. Length 58 mm.
Vintage Diamond Brooch in 9ct White Gold
A vintage diamond brooch, featuring one single cut diamond of reported weight .03 carats in a cartouche filigree ornate frame. 9ct white gold. Total weight 2.80 grams. Overall size 18 x 40 mm. Ge mmologist report (retail and market value/2022)
Dragonfly Brooch with Diamond Wings in Yellow and White Gold
A yellow and white gold 25 x 45 mm dragonfly brooch, with 16 x single cut diamonds on wings of estimated total weight .10 carats. 9ct Gold. Total weight 3.40 grams.
Art Deco Diamond & Rose Gold Bar Brooch
Art Deco diamond and rose gold bar brooch unmarked, 1x old European cut diamond 0.12ct, item weight 3.3 grams, tests as 15ct
Mid Century Diamond Bow Brooch, 18ct White Gold
Mid century diamond set white gold bow brooch, hand made and unmarked, 1x round brilliant cut diamond 0.11ct, 25x single cut diamonds = 0.45ct (0.56ct estimated), item dimensions 29 x 29 mm, weight 3.4 grams, Tests as 18ct
Art Deco Diamond Bar Brooch by Hardy Bros
Australian Art Deco diamond set 18ct white gold & platinum bar brooch, marked Hardy Bros 18ct plat, weight 4.96 grams. (boxed)
Australian Diamond & Gold Bar Brooch with Safety Chain
An Australia diamond and 9ct gold bar brooch; Aronson; with safety chain. Weight (all in) 5.4g.
Victorian Diamond Swallow Brooch with 18ct Gold Flower
A Victorian 15ct gold diamond swallow brooch; engraved swallow later 18ct gold flower belcher set with an early round brilliant cut diamond, length 30 mm, wt. 2.77g.
Diamond Swirls Brooch in 14ct White Gold
White gold and diamond brooch, 14ct white gold designed as two interlocking swirls that are bead set with brilliant cut diamonds, featuring a curved line of five old mine cut diamonds, end set with four old mine cut diamonds claw set, total weight 9 grams
Curved Leaf Diamond Brooch in 18ct Gold
Diamond brooch, 18ct rose, yellow and white gold designed in the form of a curved leaf, with a line of round brilliant cut diamonds, total weight 9 grams
George V 15ct Gold Diamond Brooch, 1915
George V 15ct yellow gold brooch set with an old mine cut diamond. Marked Chester 15ct 1915, weight 3.8 grams
18ct Diamond Feather Brooch with 10ct TDW
18ct 320 stone diamond feather spray brooch all pave set round brilliant cuts, approx 10ct TDW
Victorian 18ct Athena Cameo Brooch with Diamonds
Victorian 18ct chalcedony cameo brooch circular panel carved with portrait of Athena, Greek goddess of war with helmet, the frame box set with six rose cut diamonds 37 mm diameter new
19th Century Gold and Diamond Brooch - Antique Beauty
An antique gold and diamond brooch, 19th century, 6 cm wide, 10 grams total
Diamond Flower Brooch by Valentin Magro
18ct white gold and diamond brooch, Valentin Magro, designed as a flower, centring a stamen modelled as a cluster of brilliant-cut diamonds, the surrounding petals pave-set with similarly cut diamonds, the diamonds together weighing approximately 7.90…
Antique Diamond Brooch with Detachable Drop
18ct gold, silver and diamond brooch, circa 1890, centring an old cushion-cut diamond weighing approximately 0.45 carats, within a triple surround of further diamonds and suspending a detachable diamond drop together weighing approximately 1.65 carats,…
Diamond Feather Brooch
18ct gold, silver and diamond brooch, circa 1890, designed as a feather, detailed throughout with old European and mine-cut diamonds together weighing approximately 1.45 carats, length 63 mm.
Van Cleef & Arpels Diamond Leaf Brooch
Van Cleef &, Arpels, 18ct two-tone gold and diamond brooch, circa 1960, the double leaf motif, each set the centre with a row of graduating brilliant-cut diamonds together weighing approximately 1.20 carats, signed van Cleef Arpels N.Y., reference…
Two-tone gold and diamond floral brooch
18ct two-tone gold and diamond brooch, the stylised floral motif of open ropework design decorated with clusters of brilliant-cut diamonds together weighing approximately 1.15 carats, diameter 56 mm.
Two-Tone Diamond Bird Brooch
18ct two-tone gold and diamond brooch, French, modelled as a bird perched on a branch, the body, eye and branch detailed with brilliant-cut diamonds, French marks, measuring 40 mm x 25 mm.
Hummingbird Diamond Brooch
18ct gold and diamond brooch, modelled as a hummingbird in flight, the body and eye detailed with brilliant-cut diamonds together weighing approximately 0.45 carats, measuring 38 mm x 25 mm.
Pink gold and diamond brooch from 1899
9ct pink gold & gilt, diamond set brooch, hallmarked Birmingham c.1899, total weight approx. 2.1g. Provenance: Deceased Estate, Sydney.
"Spray" Diamond Brooch in 18ct Gold from Deceased Estate
18ct yellow & white gold diamond set 'Spray' brooch, diamond weight around 0.05ct total weight approx. 2.98g. Provenance: Deceased Estate, Sydney.
Pink Gold Diamond Bar Brooch with 3 Stones
18ct pink gold & gilt finish 3 diamond bar brooch, rectangular central and with 2 cushion old European cut diamonds, diamond weight around 0.59ct total weight 2.79g
Edwardian Diamond Brooch with Rose Cut Accents
An Edwardian diamond brooch, featuring one bezel set old European cut diamond of reported weight 0.17 carats, accented by twenty rose cut diamonds of reported total weight 0.17 carats, in an ornate lozenge design. Platinum and 18ct gold. Total weight 4.90…
3.50 Carat Diamond Anchor Pendant/Brooch in 18ct White Gold
A diamond anchor pendant/brooch, featuring twenty-five grain set round brilliant cut diamonds of estimated total weight 3.50 carats. 18ct white gold. Weight 12.58 grams. Pendant size 50 x 34 mm.
Victorian Diamond Gold Brooch with Rope Twist Accenting
Victorian 15ct gold and diamond brooch, marked Chester, 15ct, 625, with central round cut diamond on a twin bar backing with rope twist accenting, with safety chain and pin, total weight 3.90gm, length 4.5 cm
Australian 15ct Gold Diamond Double Bar Brooch with Old-Cut Diamond
An antique Australian 15ct gold and diamond double bar brooch, with old-cut diamond. Length 55 mm. Weight 4.0g.
Antique Diamond Rose Gold Brooch with Sydney Box
Antique diamond and 15ct rose gold bar brooch marked 15ct, weight 3 grams. With a proud Sydney box, old European cut diamond 0.06ct estimated
Cubist Diamond Brooch with Yellow Gold Setting
Cubist yellow gold and diamond set brooch unmarked, 42@ round brilliant cut diamonds = 0.72ct estimated, brooch dimensions 39 x 27 x 18 mm, weight 17.59 grams. Ex Stuart Reid Sydney
18ct Two-Tone Gold Diamond Crab Brooch
An 18ct two tone gold diamond crab brooch; white gold body set with 14 mixed round brilliant and single cut diamonds to yellow gold legs, size 21 x 20 mm, wt. 4.58g.
1908 Birmingham Hallmarked 15ct Diamond Brooch
Early 20th century yellow gold diamond set brooch hallmarked 15ct, maker not identifiable. Assayed in Birmingham. 1908. Set with an old European cut diamond approximate 0.10ct. Weight: 5.0 grams.
Diamond & Gold Bar Brooch with 1.6ct Old Mine Cut
Diamond and gold bar brooch, 18 ct white gold bar brooch claw set with a round old mine cut diamond approx. 1.6 carats, VS clarity, set with four baguette diamonds in fine bezel settings, total weight 4.2 grams
18ct Gold and Diamond Plum Brooch
Gold and diamond brooch, 18 ct yellow gold 1970's modern design brooch with textured plums, three which are set with diamonds and one central diamond in the centre, total weight 16 grams
Diamond Floral Spray Brooch with Deficient Stones
White gold and diamond floral spray brooch, c. 1950, claw set with five round brilliant cut diamonds supported by a scroll of pave set brilliant cut diamonds, note three stones deficient, (A,F), total weight of brooch is 10.3 grams
Textured Gold and Diamond Tendrils Brooch
Diamond and gold brooch, c. 1960, with textured yellow gold fluted bars to a spray of polished white gold tendrils, set with a tapering line of single cut diamonds, stamped 750, total weight of brooch 11.6 grams
Robert Rollason 9ct Gold Diamond Bar Brooch, Sydney 1900
Robert Rollason antique bar brooch, 9ct yellow gold set with a diamond, Sydney, New South Wales origin, circa 1900, 3.5 cm wide, 2.1 grams
Foliate Diamond Pendant Brooch with Detachable Drop
Diamond pendant brooch, of openwork foliate design, centred by a cluster, supporting a detachable pear-shaped diamond flowerbud pendant drop, set throughout with rose-cut diamonds in closed back settings, mounted in silver and gold, total length 48 mm.
Diamond Brooch with Old-Cut Stones
Silver and gold diamond brooch, of oval openwork design, centring an old-cushion cut and mine-cut diamond together weighing approximately 1.11 carats, within a double border of thirty-two further old European-cut diamonds, measuring 20 mm x 26 mm.
Diamond Bow Brooch in 18ct White Gold
18ct white gold and diamond brooch, designed as a stylised bow, detailed with twenty-one collet-set old European-cut diamonds together weighing approximately 3.00 carats, measuring 55 mm x 17 mm.
Antique Diamond Double-Clip Brooch with 15.25ct Diamonds
An antique diamond Double-Clip brooch, of embellished floral and ribbon design, each clip set throughout with round brilliant, transition and baguette cut diamonds totalling approximately 15.25cts, detachable double clip, unsigned; 18ct white gold. Total…
French Diamond Floral Spray Brooch/Tiara
Late 19th century European (French) 14ct and diamond spray brooch floral spray of central flower head with spray leaves and buds all set with old rose cut diamonds, brooch clip detachable for tiara mounting, the brooch has touch marks (one small diamond…
Filigree Diamond Brooch: Lozenge Shape with 0.25ct Brilliant Cut
10ct single diamond filigree brooch lozenge shape with central round brilliant cut approx 0.25cts
Diamond Pave Golf Bag Brooch
18ct golfing brooch styled as a golf bag and clubs pave set with band of seven diamonds
77 Stone Diamond Violin Brooch - 0.97cts TDW
18ct 77 stone diamond violin brooch all pave set with round brilliant cut diamonds approx 0.97cts TDW
74 Stone Diamond Spray Brooch in 14ct White Gold
14ct white gold 74 stone diamond spray brooch traditional design with claw, channel and pave set round brilliant cuts, marquise and baguette cut diamonds approx 1.75cts TDW
Antique 15ct Gold Bar Brooch with Diamond
An antique 15ct gold bar brooch with solitaire diamond, circa 1900, 4.7 cm wide, 2.8 grams
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