Black Onyx Brooch

Antique black onyx brooch with micromosaic flower Made in Pietra Dura technique Counrty – Italy Period – 1900s Dimensions – 3 x 2 cm Condition – good, traces of time on metal ...

The antique cameo carving of fine 18k solid gold brooch & earrings is just simply astonishing. A smooth matte feeling of the cameo sculpture hand-carved on a black onyx is the antiq...

Signed "Putti" platinum Black Onyx, carved with figures of a man and a woman, Brooch / Pendant.

This stunning antique black onyx brooch has been crafted in platinum, with a 15k white gold fitting.

This stunning vintage black onyx brooch in gold is supplied with an IDGL diamond and gemstone grading report card.

This stunning antique black onyx brooch has been crafted in platinum.

A striking example of antique craftsmanship, this platinum brooch features an onyx centre, beautifully contrasted by sparkling natural diamonds.

Symbolizing good luck, this Cartier Paris diamond, black onyx, enamel, and 18 karat yellow gold vintage brooch is delightful.

This antique 18K gold brooch features a round black onyx centerpiece, elegantly accented with a delicate seed pearl at its center.

Art Deco Malachite Bar Diamond Black Onyx Pin Brooch Old miner cut diamonds of approximately 7 carats total, with a rectangular bar of malachite (47 x 11 mm) at the center accented ...

The shell is embellished with 1.32 carats of vivid red rubies, arranged in a lattice pattern over a base of deep black onyx. Crafted from 18k gold, with accents of rose and white gol...

This stunning, fine and impressive black onyx antique brooch has been crafted in 18k yellow gold.

This sterling silver brooch brings together an epic combination of carved rose quartz and onyx to create an incredible piece of wearable art unlike anything you have seen! The sterli...

This magnificent and unique brooch features a black onyx frame, approximately 33.0 x 35.0mm., topped with small round diamonds, 2 small round cabochon angel skin corals, 12 navette-s...

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

Butterfly wings in pink sapphire pavé graduating in color are edged with black onyx; set in 18-karat white gold. Moveable wings are spring-mounted to the diamond body so the wings ca...

This is a very fine mid-century modern Black Onyx Sterling Silver brooch by Sigi Pineda of Mexico.

-- Stone(s) -- (1) Natural Genuine Black Onyx- Oval Shape - Bezel Set - Black Color w/ Golden Floral work - 15x11.8mm (approx.) (2) Natural Seed Pearls - Round Shape - White Color - ...

This Platinum Black Onyx and Diamond Brooch is a striking blend of boldness and elegance.

Their creativity shines in this 18 karat yellow gold lady bug brooch. The wings art artfully set with square cut yellow sapphires and black onyx stones.

The center of this piece carries a custom cut black onyx stone with a lovely floral design in gold set on top.

This fabulous large Art Deco 1925 circa brooch has been later modified on the back to be worn also as pendant by two back side hooks as shown through photos Wide oval with amazing wo...

18k Yellow Gold Emerald Black Onyx nose Panther Panthere Tie Lapel Pin Brooch by Cartier.

Timeless Victorian Onyx 14 kt Gold and Seed Pearl Buckle Brooch from the late 19th Century. 2.75" x .5". 1880's USA. Excellent condition.

Simply Beautiful! Vintage Diamond, Black Onyx with Emerald Eyes Brooch Pin. Hand set with 0.30tcw Round Brilliant Cut Diamonds, Black Onyx and Green Emeralds in eyes.

A large and bold mourning brooch that is sure to please. Enjoy! --Stone(s):-- (1) Natural Genuine Black Onyx - Octagonal Shape w/ Open Oval Center - Black Color - 46.6x35.4mm (appro...

--Stone(s):-- (1) Natural Genuine Black Onyx - Custom Cut - Inlaid Set - Black Color (1) Natural Genuine Malachite - Custom Cut - Inlaid Set - Green Color (40) Natural Genuine ...

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 vintage long ribbon brooch/pin was crafted from solid 14k yellow gold and features an elegant freeform design with a beautiful black onyx at its center with old single cut diamo...

Crafted with fantastic attention to detail, this adorable ladybird brooch is sure to make heads turn! The wonderful brooch is superbly designed as a stylised ladybug, that stands ou...

-- Stone(s):-- (79) Natural Genuine Diamonds - Round Brilliant Cut - Pavé Set - VS2/SI1 Clarity - G/H Color - 1.2ctw (approx.) (7) Natural Genuine Rubies - Oval Cabochon Cut - Bezel ...

The piece features a high-polished black onyx plaque centered with a 15-karat yellow gold starburst motif, meticulously set with natural seed pearls.

Butterfly wings in blue sapphire pavé graduating in color are edged with black onyx; set in 18-karat white gold. Moveable wings are spring-mounted to the diamond body so the wings ca...

Attractive deco inspired brooch by Kai Yin Lo in gilt sterling with onyx, garnet and citrine. She had boutiques in the finest stores such as Bergdorf Goodman throughout the 1980's. ...

This super cute vintage pin/brooch was crafted in solid 18k white gold. It features an adorable bow design that is adorned with custom cut polished black onyx and accented with round...

Add a unique touch to your jewelry collection with this stunning 14k Yellow Gold Hammerman Brothers 3d Penguin Brooch Pin. The charming brooch features a captivating black onyx and r...

This large antique brooch features custom cut natural amethysts and diamonds that are set onto the 18k rose gold and decorated with gorgeous etched floral center piece that is then a...

An exquisite example of Art Deco jewelry design, this gold brooch incorporates tsavorites, onyx, and diamonds in a lovely geometric shape. A central very fine oval tsavorite and two ...

These stones are then surrounded with custom cut, polished, black onyx stones that are perfectly bezel set around the design and boldly frame this magnificent piece.

This is a stunning antique Art Deco French Parrot Bird Brooch with a Rock Crystal square frame perch, two parrots in Sterling Silver with paste and Black Onyx adornment.

Expertly sculpted in a shimmering 14k white gold figural setting, each parrot is densely encrusted with brilliant white diamonds to mimic natural plumage, accented with sleek onyx an...

Here were have a vintage bar pin/brooch that is constructed from a highly polished, genuine custom cut black onyx stone.

Cameo Brooch Material: 14K Yellow Gold Condition: Pre-Owned Brooch Dimension: Length: 46.8mm Width: 39.5mm Thickness: 11.6mm Weight: 21.7grm Comes with Generic Box Retail Price: $7...

The base of this ornamental piece features an exquisite, cushion-shaped vase smoothly carved from rich black Onyx. The vase is adorned with elegant, twisted gold rope handles and fea...

An attractive brooch box is included.

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

Striking, to state the obvious, this Art Deco inspired brooch, centering a 5.02 carat cabochon Momo coral.

Here were have a magnificent vintage bar pin/brooch that is constructed from a large, highly polished, genuine black onyx stone that has been masterfully carved into with lovely and ...

At the centre, a row of striking baguette-cut diamonds adds a sleek, architectural touch, perfectly complemented by polished cabochon onyx accents that provide a bold contrast. The ...

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.

Rare Art Nouveau Sterling Silver Fahrner Brooch, center set with a green onyx stone, surrounded by embossed lily foliate designs. Signed: TF in circle for Theodor Fahrner and 935. Ci...

With Natural Carved moonstones & Black Onyx 1.57 inch X 1.14 inch. 18kt. yellow gold 17.1 grams

An impressive antique 0.15 carat ruby and 0.96 carat diamond, black onyx and 18 karat white gold bar brooch; part of our diverse antique jewelry and estate jewelry collections.

This piece perfectly encapsulates the bold aesthetic of the roaring twenties, featuring a striking contrast of deep blue Lapis Lazuli and jet-black Onyx. The brooch is elegantly pun...

An adorable 18 karat yellow gold monkey with ruby eyes,hangs from a branch of black onyx. The brooch measures 1.5" x 1.25" Ruby weight 0.12 carats Signed Cellini

A large, bold, ornate Victorian brooch featuring a large black faceted crystal, prong set in a silvertone setting decorated with Victorian motifs.

This vintage brooch is 1935 ca – Italian origin Stunning geometric circle shape supported by extra elements on sides, hand crafted of solid 18 KT gold, Italian hallmarks Vintage Roc...

An exquisite piece of Victorian Mourning Jewelry. The pin is made up of either French Jet or Black Onyx and Seed Pearls set in 14 Kt Gold. The floral center drop is stunning. The pic...

Set in 17k yellow gold, the elongated silhouette is centered by a vertical arrangement of old mine cut diamonds totaling .77ctw, their soft antique sparkle contrasting beautifully ag...

Embrace the allure of classic sophistication with this stunning Black Onyx Carved Flower stick pin, adorned with a dazzling 0.43ct GH VS diamond and elegantly crafted in platinum. At...