Antique Platinum And Diamond Brooch

Step into the spotlight with this truly spectacular Art Deco platinum and diamond brooch, a highlight from Maxwell Osborn's ensemble at the 2025 Met Gala.

A dazzling display of 1920s elegance, this vintage Art Deco brooch is crafted in platinum and set with a harmonious arrangement of 89 diamonds.

Weight: 8.5 gr. A magnificent brooch that can also be worn as a pendant, made of platinum and yellow gold, characterized by a floral openwork pattern; there are small rose-cut diamo...

Vintage platinum and 18 karat yellow gold bar brooch, with brilliant diamonds for a total of 1.2 karats and a large central onyx, Italy 1900s-1920s Length 12.5cm

This exquisite 1890s platinum brooch is adorned with approximately 7 carats rose gold and old European cut diamonds.

Antique Art Deco platinum and diamond brooch. It tests platinum weighs 6.8 grams.

Antique platinum and diamond brooch. Tests 91% platinum using an XRF metals analyzer.

Stunning early Art Deco platinum and diamond brooch, set with around 9.5 carats of diamonds.

An exceptional Art Deco platinum and diamond brooch watch from the 1920s, masterfully designed as an elegant floral basket motif framed within an elongated oval surround.

This diamond brooch is an exceptional gauge of platinum and is in exceptional condition.

A stunning, fine and impressive antique 3.35 carat diamond and platinum brooch - boxed; an addition to our collection of 1920s diamond brooches.

A striking Art Deco platinum and diamond brooch, featuring black onyx and ruby; circa 1920s.

An exquisite expression of Art Deco design, this platinum and diamond brooch captures the architectural elegance and bold geometry of the 1920s.

Set in platinum, this brooch consists of diamonds totaling 1 carat and natural, type A jade at its center.

An art deco style, this brooch has diamonds totaling 0.20 carat and two pieces of corals set in platinum.

An art deco style brooch, this piece is set in platinum, consisting of approximately 3.5 carat diamonds with natural, type A jade at the center.

With a beautiful work of natural, type A jade at its center, this art deco brooch is set in platinum and consists of 0.50 carat diamonds.

Created in the 1920s, this art deco brooch is set in platinum and consists of diamonds totaling 0.50 carat as well as natural, type A jade at its center.

Platinum Diamond and Black Enamel Brooch Details: Geometric motif, centering one old European-cut diamond approx. 50cts., set throughout with 80 old European-cut diamonds approx. 4....

A striking example of Art Deco-era craftsmanship, this 1920s platinum brooch features a vivid cabochon ruby at its center, surrounded by a dazzling array of old European brilliant-cu...

An Edwardian peridot and diamond brooch, of quatrefoil design, centered with a square-shaped peridot within a foliate scroll surround set with old circular-cut diamonds in platinum o...

A striking example of 1920s Art Deco design, this platinum brooch features geometric symmetry, fine craftsmanship, and a bold interplay of diamonds and sapphires.

This is a dreamy brooch dating back to the Edwardian period crafted in Platinum that showcases bright white pearls and diamonds!

Decorative platinum brooch from the Art Déco period. Bezel set with a bicolor tourmaline of approximate 6 ct displaying peach and brow color…… Further set with 4 old European cut dia...

A stunning, fine and impressive antique Edwardian 3.11 carat diamond and platinum floral brooch; part of our diverse antique diamond jewelry collections.

This stunning Diamond and platinum brooch has 127 bright white diamonds ( total weight approximately 1.05 carats).

Crafted in the 1920s from platinum, this exquisite Art Deco brooch features a blister white pearl measuring 9 mm which sits in the middle of a line of eight Old European cut diamonds...

This fine and impressive sapphire and diamond brooch has been crafted in 12k yellow gold with a platinum setting.

Round and Baguette Diamond Ribbon Brooch in Platinum Evoking the elegance of a flowing ribbon, this mid-century brooch is a striking composition of brilliant and baguette-cut diamon...

A magnificent and impressive antique 2.65 carat diamond and 0.28 carat natural emerald, platinum ship brooch; part of our diverse antique jewelry collections.

A stunning antique 1900s 1.84 carat diamond and platinum brooch; part of our diverse antique jewelry and estate jewelry collections.

This platinum diamond brooch is further embellished with seventy-eight pavé set eight-cut diamonds, completing the paralleling angular border.

Diamond and Emerald Floral Swan Brooch in Platinum Description: This exceptional mid-20th-century brooch is crafted in the refined shape of a graceful swan, rendered in platinum and...

A magnificent, fine and impressive antique 5.73 carat diamond and platinum Art Deco brooch; part of our diverse collection of diamond brooches.

The geometric diamond brooch is an exceptional gauge of platinum and is in exceptional condition.

An Art Deco diamond brooch, set with Edwardian-cut diamonds, in an open work, navette shaped plaque, mounted in platinum, circa 1925, with a gold pin, numbered 8994, with inventory n...

A magnificent French Art Deco brooch finely crafted in platinum, showcasing a harmonious blend of geometric precision and timeless elegance.

Vintage Edwardian Platinum Diamond and Sapphire Filigree Brooch - The center Eurpopean cut diamond is set in a hexagon plate and weighs approximately .50ct.

A stunning, fine and impressive antique 1.77 carat diamond, enamel and platinum horse and huntsman brooch; part of our diverse antique equestrian jewellery collections.

This 1900s diamond brooch is an exceptional gauge of platinum and is in exceptional condition.

Item Details: Metal Type: Platinum [Hallmarked, and Tested] Weight: 4.4 grams Diamond Details: .25cttw, F color, VS Clarity, Old European Sapphire Details: Natural Sapphires, Cabacho...

An exceptional, fine and impressive antique French 2.06 carat diamond and platinum brooch; part of our antique jewelry and estate jewelry collections.

A stunning, fine and impressive antique 42.24 carat aquamarine, 1.62 carat diamond and platinum brooch / pendant; part of our antique aquamarine jewellery collections.

A diamond and platinum brooch by Cartier, circa 1900.

Platinum Diamond and Sapphire Bow Brooch Circa 1920's Nine Baguette Cut Sapphires Weighing 2.50 Carats Approximately Nine Old European Cut Diamonds Weighing 1.00 Carats Approximatel...

Antique Pearl & Diamond Brooch 18ct Gold & Platinum Circa 1910 An elegant early 20th‑century pearl and diamond bow brooch, crafted in 18ct gold and platinum, circa 1910.

The entire brooch is further embellished with many bright sparkling European-cut diamonds in a very geometric and floral design.

An Art Deco diamond and platinum bow brooch, finely pavé set with old style eight-cut diamonds, with cheneered gallery, mounted in platinum, with a white gold pin and roller catch, n...

An estate art-deco brooch with 8.60 carats of European cut diamonds.

A stunning, fine and impressive antique 3.22 carat diamond and platinum bar brooch; part of our antique jewelry and estate jewelry collections.

A diamond dress clip with curls and flowers with brilliant, baguette, French and eight cut diamonds (app. 3.2 carats, G-H, vs), signed and numbered: Bailey, Banks & Biddle, 65000, US...

Art Deco Platinum Diamonds and Natural Pearl Pendant / Brooch This Art deco platinum diamonds and natural unique sunny design pendant / brooch is set with old cut natural white diamo...

Platinum brooch in the shape of an openwork rose cut diamond edged with foliage set with old-cut diamonds in a closed setting.

A superb Art Deco platinum, diamond, and onyx brooch, notably worn by Yvonne Orji to the 2025 Met Gala after-party.

In very good condition. Metal: Platinum Stones: 74 diamonds approx. 1.50 carats total weight, VS clarity, G-H color Measurements: Brooch is approx. 2.25 inches by .75 inches Weig...

An Art Deco platinum and diamond double clip brooch featuring a stylized ribbon motif set with old European-cut diamonds and baguette-cut diamonds with an approximate total weight o...

Three luminous old European cut diamonds form a sparkling focal point, their antique facets glowing softly within an intricate platinum framework.

Stunning & Beautiful platinum brooch set with black and white diamonds, with security chain.

1920's Exquisite Platinum Diamond and Sapphire Bow Brooch Fifty Four Old European Diamonds weighing 2.00 carats (approximately) Twenty Calibrated French Cut Sapphire weighing .70 ca...

A stylish Art Deco jade and diamond brooch watch, crafted in platinum and dating to the 1920s.