Art Deco Onyx And Diamond Brooch

Art Deco Onyx and Diamond Brooch A round onyx brooch set with an oval old mine diamond.

An Art Deco onyx and diamond brooch in gold and platinum, comprising of one teardrop shaped onyx cabochon and thirty-eight rose cut diamonds, set in platinum, atop 18 karat gold.

Art Deco Onyx and Diamond Brooch in Platinum and Gold An iconic Art Deco brooch of impressive scale and striking presence, exemplifying the bold geometry and refined elegance of the...

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

An extraordinary Art Deco platinum brooch suite, circa 1930, showcasing the geometric precision and luxury that defined the era.

Art Deco Emerald Diamond and Onyx Car Brooch A car brooch with a hexagonal emerald, diamonds, diamond wheels, and a black onyx base.

An Art Deco diamond and onyx set arrow pin or jabot, with rose-cut diamonds and baguette cut onyx millegrain set to the arrow tip and flights, all set in platinum with a gold backing...

Art Deco platinum brooch , with approx. 3.80ctw SI/I diamonds and onyx (few stones are chipped).

This exceptionally beautiful 'bow' brooch was made during the Art Deco period and has been set with diamonds and black onyx.

Art Deco Old mine cut Diamond and Onyx on Platinum and Gold Barrette Brooch.

Onyx Diamond and Ruby Bow Brooch from the late 19th Century.

A striking unisex Art Deco brooch featuring a meticulously carved emerald centerpiece, flanked by carved sapphires and rich onyx accents.

An emerald, diamond and onyx Art Deco brooch, ca. 1920, in platinum.

Finely crafted in platinum with an Onyx, as well as Old European and Baguette cut Diamonds weighing a total of approximately 2.50 carats. Made in France Circa 1920s 1 1/4 x 2 1/2 inches

Art Deco onyx, diamond and emerald cabochon brooch.

A dramatic and architecturally striking Art Deco brooch that captures the bold geometry and sophisticated contrast of the 1930s.

A superb and stylish Art Deco diamond and Onyx bar pin brooch featuring a center diamond weighting approximately 0.50 ct.

A stunning, fine and impressive antique 11.20 carat black onyx and 0.91 carat diamond, platinum and 15k white gold Art Deco brooch; part of our collection of Art Deco brooches.

This sublime Art Deco brooch is new to our collection. Beautifully set with a stunning selection of Rose Cut, Eight Cut and Old European Cut diamonds totalling an estimated five car...

Finely crafted in platinum with Old Mine cut Diamonds weighing a total of approximately 7.50 carats and Onyx. Circa 1930s 7/8 x 2 5/8 inches

This Platinum Black Onyx and Diamond Brooch is a striking blend of boldness and elegance. The centerpiece features 2 large black onyx gemstones, carefully set in a polished platinum ...

Art Deco oblong brooch with onyx and diamond Origin: Western Europe, first half of the 20th century.

This original antique piece features a 5.8mm cabouchon onyx diagonally set from a fine quality old cut diamond weighing approximately 0.40ct both rubover set onto a Deco design bar b...

Estate Art Deco Platinum Onyx and Old Mine Diamond Brooch - VHK#540a Item Details: Metal Type: Platinum with 14K Gold Pin [Hallmarked, and Tested] Weight: 4.2 grams Diamond Details...

An exquisite and rare piece, Cartier platinum tassel brooch from Art Deco era, set with seed pearls ( 1.5mm), approximately 1.00ctw G/Vs diamonds, black onyx and enamel.

Art Deco onyx fine pearl brooch in platinum. This rectangular brooch features a prominent 10.6 mm pearl.

Art Deco Diamond and Onyx Lapel Watch A lapel watch suspended from an onyx lozenge-shaped pin and diamond chain. Between the two diamond chains is a hanging briolette diamond. App...

Art Deco Bow Brooch 14ct Gold Stamped Circa 1920s An elegant and timeless Art Deco bow brooch, beautifully crafted in 14ct white gold and stamped accordingly.

A French Art Deco diamond, coral, black onyx and platinum brooch, with an open, circular centre, set with buff top black onyx, in a channel setting, with bow wings, grain set with ei...

This Onyx and Diamond Art Deco–style circle arrow brooch is a striking symbol of elegance and bold design.

Era: Art Deco (Circa 1920) Metal: Platinum Weight: 7.1 g Gemstones: Lapis Lazuli, Black Onyx, and Natural Diamonds Diamond Grade: D/E Color / VS-SI Clarity Dimensions: 73 mm x 7...

This exceptional French Art Deco diamond and onyx brooch is a sophisticated 1920’s design, centered by an old pear shape diamond weighing approximately 2.00 carats.

This iconic Art Deco brooch is embellished with an impressive collet set onyx panel, bearing a tiered geometric carved design.

Compelling, this Art Deco–style arrow brooch showcases a striking harmony of vivid turquoise, glossy onyx, and brilliant diamond accents.

This captivating 18K white gold brooch is a dazzling interpretation of Art Deco design, crafted with remarkable detail and movement.

Weight: 11.31gr Metal: 18kt white gold and platinum Condition: Very Good Stones: 1 Diamond • Total carat weight: 0.80ct approximately • Cut: Old European • Colour: H/I • Clarity...

Finely crafted in platinum with Onyx, 2 Olde European cut Diamonds weighing approximately a total of 0.60 carat, smaller Old European cut Diamonds weighing approximately a total of 0...

Like many pieces from the Art Deco era, this Harlequin brooch features contrasting colors, geometric shapes, and artistic flair.

Here we have a fabulously rare Art Deco onyx and diamond arrow jabot pin from the world renowned jewellery house of Cartier. This piece has been crafted in France from platinum and s...

Vivid emerald accents add a touch of vibrant color, enhancing the geometric symmetry of the design. Inspired by classic Art Deco aesthetics, the brooch feels both powerful and refined.

Year: 1920s Item Details: Metal Type: Platinum [Hallmarked, and Tested] Weight: 16.5 grams Center Diamond Details: GIA Report# : 52229844958 Weight: 1.74 Cut: Old Mine Brilliant Colo...

A marvelous design of symmetry along with accents of vibrant color make this Art Deco inspired brooch, masterfully hand in 14k white gold.

A stunning, fine and impressive antique Art Deco 7.50 carat onyx, 3.20 carat diamond and platinum brooch; part of our diverse onyx jewelry collections.

A beautiful brooch made with a rare combination of coral, diamonds, and onyxes.

Tiffany & co 1920's beautiful art deco Vintage Brooch pin Onyx and French Cut Diamonds Platinum metal Approx weight 9.0 grams Size: approx 30 x 30 mm This Unique Brooch has a tru...

Designed as a stylized dragonfly with diamonds set on wings and body Diamonds are marquise, hexagonal, baguette, and single cut Weighing approximately 1.70 carats total - H/I color w...

A very fine period Art Deco stick pin. With rows of diamonds and onyx encircled by diamonds in a round platinum setting. Unmarked for fineness. Simply a wonderful Deco piece! Len...

Indulge in the elegance of this Art Deco-inspired brooch, where timeless beauty meets modern sophistication.

A Charlton & Co. Art Deco double clip brooch made of platinum, with two polished black onyx panels accented with diamonds.

Jade Onyx Diamonds Jabot Brooch Pin Cellini NYC really delicate and fine work of jeweler. The brooch has a simple lock mechanism, the bigger part must be turned to a side to be rele...

Extreme Art Deco Diamond and French Cut Onyx Brooch c.1920's in Platinum One Old European Cut Diamond weighing .30 carats approximately Two Old European Cut Diamonds weighing .20 car...

An Art Deco jabot brooch, the upper comprised of a carved onyx cat's face with collet-set single-cut diamond eyes, surmounted by a rose-cut diamond halo in a millegrain border, and s...

Charming and unusual Art Deco Rose Diamond Cubist Onyx Stickpin from the 1920's. Unusual fancy cut onyx Cubist bead set with rows of rose diamonds at base. 3" x .65". 1920's France.

Elegant channel Set Onyx and Diamond Art Deco Bar Pin from the 1920's. Beautifully faceted, french cut onyx stones are set into a channel with 3 diamond stone accents. Platinum toppe...

A beautiful brooch made with a rare combination of turquoise, diamonds, and onyxes.

A beautiful brooch made with a rare combination of turquoise, diamonds, and onyxes.

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

An exquisite example of Art Deco jewelry design, this gold brooch incorporates tsavorites, onyx, and diamonds in a lovely geometric shape.

Period Art Deco diamond sailfish brooch. Beautiful quality with pave diamond set body and navy and black enamel accents. Motifs such as this became popular in the 30's and became kno...

A very pretty Art Deco brooch with onyx and diamonds, ca. 1920s.