Antique or later diamond brooch - price guide and values

Belle Epoque Diamond and Sapphire Brooch

A Belle Epoque diamond, sapphire and seed pearl brooch, of pierced design, intricately set with old cut diamonds totalling 1.08cts, with feature synthetic carre cut sapphires and seed pearl detail, mounted in platinum.

Art Deco Emerald & Diamond Dress Clip

An Art Deco emerald and diamond dress clip, the single dress clip mounted with a step cut emerald of 1.26cts, with a principal transition round brilliant cut diamond of 0.82cts, with diamond detail throughout, mounted in platinum, total length 55 mm

Paspaley Pearl and Diamond Bow Pin

A South Sea pearl and diamond bow pin by Paspaley, comprising an oval pearl of pink and silver hue measuring 12.0 mm, surmounted by a single round brilliant cut diamond and pave set diamond bow totalling 0.47cts, mounted in platinum, signed. Condition:…

Victorian Diamond Brooch Pendant in Sterling Silver & 15ct Gold

Victorian sterling silver and 15ct diamond brooch / pendant, central old mine cut diamond approx 0.95cts with 66 diamond to ribbon loops, 18

Emerald and diamond brooch, retailed by Hardy Bros, designed as a bow, the openwork brooch with floral details, accented with carre-cut emeralds and centred by an old European-cut diamond, accompanied by fitted retailer's box, weight 4.7gm, length 5.8 cm.

Art Deco Coral and Diamond Dress Clips

A coral and diamond double dress clip, each Art Deco clip centred with a carved coral plaque, within a geometric diamond set surround, in platinum. The clip presents in very good condition overall. The coral and diamonds are all secure in their settings.

Onyx Diamond Emerald Art Deco Brooch

Art Deco onyx diamond and emerald brooch, platinum designed with two flowers upon an oval black onyx background, with single cut and round brilliant cut diamonds and 4 emeralds, milgrain trim, 8 grams, length 5 cm

Art Deco Diamond Brooch - 0.60cts, Platinum

Vintage Art Deco brooch estimated 0.60cts early brilliant cut diamond in the centre colour G-H, clarity P1 118 single cut diamonds colour G-I, clarity SI-P1 measuring 47 mm long, 27 mm high, platinum 11.2 grams

Platinum Diamond Brooch, 47 Stones, Filigree Lozenge Design

All platinum 47 stone diamond brooch, fancy filigree lozenge design mille-grain set old and early brilliant cut diamonds

Platinum Bow Brooch with 3.0ct Diamonds

A diamond brooch, the stylised bow and ribbon set with round brilliant, single and baguette cut diamonds totalling 3.0cts, in platinum.

Vintage Diamond Horseshoe Brooch by G&T.Y. Ltd

15ct three stone diamond horseshoe brooch claw set early round brilliant cuts on engraved shoe maker G & T.Y. Ltd

Ruby and Diamond Cluster Brooch with Natural and Synthetic Stones

9ct ruby and diamond cluster brooch oval platform set with eight natural oval rubies, central single synthetic ruby with surround of eight rose cut diamonds, eight brilliant cut outer diamonds '12

Belle Epoque Diamond Bow Brooch in Platinum

A Belle Epoque diamond brooch, modelled as a bow, the finely saw pierced frame set throughout with early round brilliant and rose cut diamonds, mounted in platinum, boxed

Geometric Diamond Brooch: Brilliant and Single-Cut, 1.89 Carats

Platinum and diamond brooch; of geometric design, set throughout with brilliant and single-cut diamonds together weighing approximately 1.89 carats, length approximately 47 mm.;

Diamond and Platinum Openwork Brooch

Platinum and diamond brooch, designed as a stylised open work bar centring a millegrain-set old-cut diamond weighing approximately 0.35 carat, and set throughout with similarly set old and single-cut diamonds, the smaller diamonds together weighing…

Paloma Picasso Zig-Zag Diamond Brooch

A platinum and diamond brooch, Paloma Picasso for Tiffany & Co. 1982, of zig-zag design, set with twenty round brilliant-cut diamonds totalling an estimated 1.00carats, length approximately 45 mm, signed Paloma Picasso, Tiffany & Co. 1982.

Diamond Art Deco Brooch

An Art Deco diamond brooch the pierced plaque set throughout with diamonds, central transitional cut diamond of an estimated 0.55cts, total estimated diamond weight 1.90cts; mounted in platinum, Dutch marks. Weight 7.2g.

Art Deco Diamond Brooch in Platinum

An Art Deco diamond brooch, the openwork pierced plaque, set with diamonds totalling 1.10cts, in platinum.

Platinum Brooch with 10ct Old Mine Cut Diamonds

Diamond spray brooch, c. 1930, featuring old mine cut diamonds weighing together approximately 10ct, claw set in platinum, approx. Weight 12.8 grams

Antique Pearl and Diamond Feather Brooch

A lovely antique pearl and diamond set brooch, platinum, made as a large stylised feather and ribbon motif brooch of large size, featuring fine curved and looped rails of grain and claw set old and single cut diamonds, graduated in size throughout each…

Art Deco Diamond Brooch with Emerald Cut Center Stone

A beautiful Art Deco diamond brooch. Handcrafted in platinum, fitted to original box by the Goldsmiths & Silversmiths Company Ltd London. Presented as a petite detailed plaque brooch of open cut cornered rectangular form, centrally detailed by a marquise…

Art Deco Platinum Diamond Bow Brooch

A stunning Art Deco platinum bow brooch set with diamonds, circa 1920s, stamped 18 Plat. 4.5 cm wide, 8 grams total

Sapphire and Diamond Loop Brooch

18ct & platinum sapphire and diamond brooch, central oval mixed cut pale blue sapphire with shade loop design frame set with rose cut diamonds

Platinum Brooch with Pearl and Diamonds

Pearl and diamond brooch, circa 1930 centring a pearl flanked by old European-cut diamonds within an openwork pierced and millegrain surround of foliate and scroll design highlighted with circular-cut diamonds, mounted in platinum, approximately 43 x 19…

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

Amethyst and Diamond Brooch with Bamboo Frame

18ct amethyst and diamond brooch large single bright purple amethyst with shoulder of six diamonds, textured bamboo stem and leaf cross over frame

Art Deco Diamond & Pearl Bar Brooch

An Art Deco diamond, pearl and platinum bar brooch. Estimated total weight of diamonds 0.95ct. Weight 12.2g.

Garnet and Diamond Lizard Brooch

Victorian 9ct and sterling silver lizard brooch, body set with nine green garnets framed with old rose cut diamonds

Georgian Diamond and Crystal Mourning Urn Brooch

A Georgian silver gilt diamond and rock crystal mourning brooch, in the form of a two-handled lidded urn set with old mine cut diamonds, rock crystal to the centre which opens at the back to permit insertion of a small portrait of lock of hair.

Platinum Belle Epoque Diamond & Pearl Brooch

A platinum Belle Epoque diamond and pearl brooch, the scrolling frame set with old cut diamonds and pearl, a single pearl suspended from the base.

Platinum and Diamond Bar Brooch with 1.80ct Diamond

Platinum and diamond bar brooch. Centring a collet-set old European-cut diamond weighing approximately 1.80 carats, length 55 mm.

Victorian Opal and Gemstone Brooch

9ct antique Victorian white opal, gemset brooch. Late Victorian white opal set in claw setting of 7.82ct with good rolling colour of red, blue, green and yellow. Floral surround set with rose cut diamonds .12ct, natural sapphires.18ct and rubies.14ct.…

Platinum and Diamond Belle Epoque Pendant/Brooch

A Belle Epoque platinum and diamond brooch / pendant, circa 1900, in the garland style, with trellis, foliate and ribbon detailing, set throughout with rose, single and old-cut diamonds together weighing approximately 0.60 carat, approximately 40 x 51 mm,…

Opal and Diamond Art Deco Brooch

An Art Deco opal and diamond brooch, the geometric plaque featuring a central oval opal doublet with fine play of colour, within a pierced surround set with single cut diamonds, in platinum.

Belle Epoque Pearl and Diamond Brooch

A beautiful pearl and diamond brooch, platinum, crafted as a Belle Epoque shield shaped plaque brooch, featuring a central horizontal row of five natural cream pearls, graduating in size, all of fine colour and lustre, framed by an elaborate triple frame…

18ct Sapphire & Diamond Platinum Bar Brooch

18ct & platinum seven sapphire & diamond bar brooch, central rectangular step cut bright blue sapphire approx 1.449cts with six round brilliant cut shoulder diamonds

Victorian Diamond and Enamel Lady Brooch

Blue enamel and diamond brooch a fine example of a Victorian brooch set with 27 old mine cut diamonds surrounding a painted image of a young lady. Finished in sterling silver. Weight 20.8 grams.

Diamond and Ruby Love Birds Brooch

Wonderful diamond and ruby love brooch, in the form of two birds seated on a branch facing each other set with ruby eyes surrounding to central diamonds, length 5 cm

Victorian Diamond and Enamel Brooch

Victorian 18ct and silver, diamond, enamel brooch central diamond cluster of 27 rose cut diamonds, royal blue enamel frame set with 24 diamonds, pendant drop set with 11 diamonds '13

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

Art Deco Diamond Pendant from Dress Clip Brooch

Art Deco diamond and platinum pendant well converted from a dress clip brooch. Unmarked. Diamonds; Old European cut 0.12ct, 60@ early round single cuts estimated total 0.99ct (avg 1.75 mm x 0.9 mm), 6@ baguette = 0.84ct VS-Si clarity, G-H colour.…

Art Deco Jade and Diamond Brooch in Platinum Setting

Art Deco carved jade and diamond brooch set in an open work platinum mille grain setting. Unmarked, carved jade diameter 21.5 mm, brooch weight 12.6 grams. 29x early round brilliant cut diamonds. Tests as platinum

Edwardian Diamond Bar Brooch in Platinum

An Edwardian diamond bar brooch, the pieced brooch set throughout with old and single cut diamonds. Platinum. Weight 6.35 grams. Length 5 cm.

Arrow-shaped brooch with diamonds, sapphires, and cultured pearl

Platinum, diamond and gem-set brooch. Modelled as an arrow, set throughout with old European and single-cut diamonds, carre-cut synthetic sapphires and a cultured pearl, length 78 mm, gross weight 7.1 grams

Silver and Diamond Openwork Brooch with 2.00 Carats

Silver and diamond brooch. The plaque of openwork design, set throughout with old European and rose-cut diamonds together weighing approximately 2.00 carats,. Length 25 mm, width 46 mm, gross weight 8.4 grams

Diamond Brooch by Hardy Brothers Ltd

An antique diamond brooch, retailed by Hardy Brothers Ltd, of circular design with ribbon bow decoration set throughout with single-cut diamonds, 23 mm diameter, in a fitted box by Hardy Brothers Ltd, 6.5 grams

Platinum Ruby & Diamond Foliate Brooch

A platinum ruby and diamond Brooch,1950s, designed as a foliate spray, the stems and foliage set with brilliant, baguette and single-cut diamonds, accented by circular-cut ruby flower buds, length approximately 39 mm.

Diamond & Seed Pearl Crescent Bar Brooch (1.20ct)

A diamond and seed pearl crescent bar brooch, estimated diamond weight approximately 1.20ct, length 4.5 cm.

Art Deco Emerald and Diamond Brooch

An antique emerald and diamond brooch, of Art Deco bow design, set with round brilliant and single cut diamonds, and calibre cut emeralds, in platinum. The brooch presents in excellent condition overall. All stones are in very good condition and are…

Edwardian Diamond and Zircon Floral Brooch

An Edwardian diamond and zircon brooch, the oval pierced frame centrally set with a round zircon, having floral and leaf decoration and a border all set with single cut diamonds, mounted in platinum.

Smokey Quartz Four Leaf Clover Brooch with Diamonds

14ct smokey quartz four leaf clover brooch four heart mixed cut smokey quartz approx 38.0cts tsw with central diamond and stem of five graduated diamonds

14ct Green Tourmaline & Diamond Pendant Brooch with Leaf Drop

Edwardian 14ct 27stone green tourmaline and diamond pendant brooch central round tourmaline and diamond pave set bar supporting diamond set leaf drop finished with single round tourmaline

Crescent Pearl & Diamond Brooch

Platinum pearl & diamond brooch crescent platinum bar set with crossover claw set diamond bars terminating with a white 14 mm pearl. Length 7 cm

Novelty ruby and diamond brooch modelled as a sword fish, set with calibre-cut rubies and round brilliant-cut diamonds, stamped 18K, weight 7.3gm, length 5.8 cm.

Art Deco Aquamarine and Diamond Brooch

An impressive Art Deco platinum, aquamarine and diamond set brooch, of large oval form with central emerald cut bright toned aquamarine in rub-over mount framed by a pierced geometric design set with 92 rose cut diamonds, two small further aquamarines to…

Diamond & Sapphire Bow Brooch

Diamond and sapphire brooch, composite, early 20th century Modelled as a bow centring a cluster of old mine-cut and rose diamonds, between ribbons accented with sapphires and rose diamonds, the diamonds together weighing approximately 2.10 carats, mounted…

Georgian Diamond Floral Brooch with Rose Cut Diamonds

A Georgian diamond floral brooch, the floral spray set throughout with rose cut diamonds, mounted in silver.

Platinum Diamond Crossover Brooch with 65 Stones

All platinum 65stone diamond spray brooch cross-over loop design individually set with 26 marquise cut diamonds and 39 channel set baguette cuts

18ct Ruby & Diamond Bar Brooch with 15 Stones

18ct 15stone ruby & diamond bar brooch, central cluster of central ruby approx 0.60cts with diamond and rubies surround

Emerald and Diamond Brooch with Tapered Bar Design

9ct nine stone emerald and diamond brooch, design of tapered bar and ribbon scroll set with octagonel step cut bright cut emerald approx 1.29cts and eight diamonds

Diamond and Ruby Lizard Brooch

A silver gilt diamond and ruby set lizard brooch, the sinuous body bead set with a row of rubies framed by multiple old cut diamonds, sapphire set eyes, length .8 cm.

Platinum Diamond Floral Brooch with Cubic Zirconia Center

Vintage platinum diamond floral spray brooch. Platinum diamond set brooch with a 7 mm cubic zirconia centre, stone and 66 round brilliant cut and baguette diamonds, grain set to stems and leaves. Colour H/I Clarity VS-PI. Weight 11.24grams.

Diamond and Sapphire Egg Brooch

Diamond and sapphire brooch, circa 1920 Terminating on an egg motif pierced and millegrain-set with circular-cut diamonds embellished at intervals with lines of step-cut sapphires, suspended from an open work bar brooch similarly set, the diamonds and…

1930 Pearl and Diamond Brooch

Pearl and diamond brooch, circa 1930, centring a pearl flanked by old European-cut diamonds within an open work pierced and millegrain surround of foliate and scroll design highlighted with circular-cut diamonds, mounted in platinum, approximately 43 x 19…

Tiffany Dragonfly Brooch with Diamonds and Sapphires

A diamond and sapphire dragonfly brooch by Tiffany & Co, from the nature collection, pave set with fifty one round brilliant cut diamonds totalling 0.59cts, with two faceted sapphires for eyes, mounted in platinum, circa 1996.

Gem Set Butterfly Brooch with Diamonds and Sapphires

An impressive c.1900 9ct. yellow and white metal gem set butterfly brooch, ruby eyes, seed pearl set body, the wings with old mine cut diamonds, cushion cut sapphires and further rubies, original removable brooch fitting to the reverse, a fine example in…

Whimsical Diamond Bird Brooch on Blossom Branch

9ct whimsical 12stone diamond brooch, of bird on blossom branch, each blossom individual four claw set with early modern brilliant cuts

Edwardian 18ct diamond and pearl shield brooch, design of three pearl and diamond floret clusters supporting ribbon folds and central pendant the all set with old mine cut diamonds and rose cut chips, three natural half pearls with three pear shape drops

Platinum and Diamond Conch Shell Brooch

Figural Platinum and diamond brooch in the form of two conch shells. To centre is an earl modern round brilliant cut 1.36ct colour R-S. Si2 clairy (chipped to girdle in two places. 10 x 0.01ct-0.15ct total 0.08ct. 16x 0.2ct-0.14ct total 0.8ct Total weigh

18ct Ruby & Diamond Bar Brooch with Original Box

18ct eleven stone ruby and diamond bar brooch three crown claw set oval mixed cut bright red rubies interspaced with diamonds and leaf blade shoulder set with diamonds, in original box. For Prouds Ltd 187 Pitt St, Sydney and London

Art Deco Diamond Bow Brooch with 50 Diamonds

An Art Deco diamond bow brooch, centring an old European cut diamond estimated as 0.60ct enhanced by a further 49 old European, single and rose cut diamonds. Length 52 mm. Wt. 7.8g.

Sapphire, Ruby, and Diamond Fish Brooch

A sapphire, ruby and diamond fish brooch, set with yellow sapphires weighing approximately 4.92ct and round brilliant-cut diamonds weighing approximately 0.88ct, length 4.3 cm.

Emerald and Diamond Locket Brooch with Portrait of Bishop Nixon

Emerald and diamond locket brooch, late 19th century, of vine and grape design, the front embellished with mixed-cut emeralds and a pearl hinged to reveal a portrait, supporting a chain swag suspending a foliate motif terminating in an emerald and diamond…

96 Stone Diamond Spray Brooch with Central Cluster

18ct/10ct 96 stone diamond spray brooch, central cluster of five old mine cut diamonds with each stem tipped with two claw set old diamond cuts approx 3.20cts TDW

Victorian 18ct Floral Diamond and Ruby Brooch

Victorian 18ct floral stem spray brooch, finely worked leaves with single bud of synthetic ruby, flower head of eight old cut diamonds surrounding synthetic emerald, with necklace clasp fitting

Victorian Bug Bar Brooch with Diamonds, Opal and Sapphire

Victorian 14ct diamond opal and sapphire Bug bar brooch, body set with sapphire and opal with rose cut diamonds to the wings and highlighted with end diamonds

Sapphire & Diamond Platinum Bow Brooch

A sapphire & diamond brooch; platinum bow brooch centring an approx. 1.17ct fine blue sapphire surrounded by 27 round brilliant and 22 single cut diamonds totalling an estimated 2.9ct, VS - Si (missing four small single cut diamonds). Length 40 mm. Wt. 8…

Victorian Diamond Crescent Brooch with 44 Stones

Victorian 9ct and silver 44stone diamond crescent brooch double crescent mille-grain set old cut diamonds approx 1.60cts '14

Victorian Diamond & Ruby Floral Brooch

Victorian Indian rose cut diamond and ruby brooch, floral design of 23 large rose cut diamonds closed back setting in silver with seven ruby stem ribbon (some faults)

Platinum Diamond Floral Brooch with 44 Stones

All platinum 44 stone diamond floral spray brooch single flower head with leaf and ribbon spray all pave set with round brilliant cut diamonds approx 0.64cts TDW

Platinum and Diamond Brooch by Hardy Bros

Platinum and diamond brooch, Hardy Brothers, of openwork design, composed of nine old European-cut diamonds together weighing approximately 0.50 carats, in millegrain finish, length 43 mm, accompanied by a fitted Hardy Bros period box, 4.4 grams

Diamond & Pearl Brooch, Circa 1910

Diamond and pearl brooch, circa 1910 designed as an openwork rectangular plaque centring an old European-cut diamond within a similarly set cluster to an outer border of pearls and diamonds within a diamond set surround, mounted in platinum, approximately…

18ct Diamond Leopard Brooch with Ruby Eye

18ct diamond leopard brooch body gypsy set with 31 round brilliant cut diamonds, single ruby eye

Pearl and Diamond Platinum Brooch

A pearl and diamond brooch, the rectangular pierced plaque centrally set with a cultured pearl measuring 6.2 mm, having floral and leaf decoration grain set with old European and single cut diamonds within a border of further diamonds, all mounted in…

Art Deco silver moonstone and diamond bar brooch, rectangular panel set with eight cabochon moonstones interspaces with three bands of rose cut diamonds, 49 mm length

Australian Military Diamond and Enamel Bar Brooch

An Australian Commonwealth Military Forces diamond and enamel bar brooch, thirty three rose cut diamonds, 0.35ct with enamel detail on a bar style brooch. Wt 5.1 grams

European Citrine and Diamond Brooch

Late 19th century European silver citrine and diamond brooch oval mixed cut citrine shallow cut with fancy frame all set with rose cut diamonds

Sapphire and Diamond Brooch

Platinum, sapphire and diamond brooch. Centring five French-cut sapphires together weighing approximately 0.90 carats, flanked by old European-cut diamonds together weighing approximately 0.70 carats, all in open millegrain finish, length 60 mm.

Stylised Diamond Ribbon Brooch

Diamond brooch, mid 20th century, modelled as a stylised open work ribbon and bow decorated with circular-cut diamonds together weighing approximately 1.22 carats, mounted in platinum, approximately 50 x 40 mm.

Millegrain Diamond Bow Brooch

Diamond brooch, the open work ribbon and bow motif millegrain-set with circular-cut diamonds, length approximately 50 mm.

Platinum Brooch with Sapphire and Diamond Embellishments

Sapphire and diamond brooch, early 20th century, centring a circular-cut sapphire collet-set bet ween a pierced out surround millegrain-set with scissor-cut sapphires and old-cut diamonds to open work shoulders similarly set with sapphires terminating in…