Vintage Black Onyx

An oval black onyx stone is set in a 14 karat gold bezel in this stylish black ring.

A sterling silver and black onyx necklace, in the Art Nouveau style, circa late-20th century.

18k Yellow Gold Black Onyx Cufflinks by Bulgari. With 2 Black Onyx stones.

18k Yellow Gold Black Onyx Cufflinks by Bulgari. With 2 Black Onyx stones.

Cartier black onyx diamond cufflinks Rose-cut diamonds of approximately 0.5 carat; marked Cartier, 4007 Size: width 13 mm, length 13 mm Total weight: 12.5 grams

1990's domed black onyx 14k yellow gold men's cufflinks. 10 onyx slabs separated by 14k yellow gold spacers. 10 rectangular black onyx slabs 14k yellow gold Stamped: 14k 9.2 grams...

18k yellow gold cufflinks with black onyx center stones. Beautiful form, 18K spring clip high polished onyx.

Vintage 14K Yellow Gold Chain & Black Onyx Necklace 12 gorgeous black onyx beads on a 14K yellow gold chain!

Finely crafted in 10k rose gold with a center Black Onyx. Circa 1980s Size 11, resizable

Piaget Black Onyx Diamond 18k Gold Ladies Watch Piaget in black onyx and natural diamonds.

Black onyx earrings, 14K yellow gold, Omega French Clips.

Art Deco Diamond and Black Onyx Ring Description: This Art Deco ring features a round brilliant diamond framed by a bold black onyx surround, creating a striking contrast that is em...

Cartier crescent moons diamond black onyx ring 18 karat white gold and platinum, featuring a crescent moon design; five of the eight moons are made out of diamonds weighing approxim...

Fred Paris coral black onyx diamond gold earrings Beautiful pair of coral and black onyx clip-on earrings with posts, featuring round-cut diamonds, 18 karat yellow gold; marked Fred...

18kt White Gold Swirl ring set in Black Onyx & full cut clean & white Diamonds. Very chic & imposing.

An original pair of 18K yellow gold black onyx square earrings. Each earring features a mirrored design, with one contrasting a polished black onyx surface accented by an 18K yellow ...

Diamond and Black Onyx Platinum and 14 Karat White Gold Dangle Earrings These beautiful dangle drop earrings combine 1.2 Carats of stunning white diamonds with faceted black onyx dro...

This Konstantino necklace features a long rolo-link chain accented with faceted black onyx beads and ornate silver-framed black onyx stations.

The earrings are designed with 2 ribbed sections of on either end, and a black onyx section in the center. The earrings are pierced and can be adjusted to clip on.

18k White Gold Panthere Diamond And Black Onyx Earrings by Cartier. With Round brilliant cut diamonds total weight approx .98ct.

Finely crafted in 10k rose gold with a center Black Onyx. Circa 1980s Size 11 3/4, resizable

Vintage 14 Karat Yellow Gold Black Onyx Cameo Ring Size 4.75- This elegant black onyx cameo ring features a lovely lady in profile set in beautifully detailed 14K yellow gold.

Black Onyx Disc Earrings in 14k Yellow Gold These earrings are crafted in 14k yellow gold and feature polished black onyx cabochons bezel-set at the center of round disc-shaped moun...

Sterling Silver Black Onyx Trapezoid Pendant Necklace - This unique necklace features a black onyx trapezoid pendant wrapped in sterling silver swirls with dramatic tassels on a 21 ...

This Tiffany & Co. black onyx bracelet has a strong design with the glossy black onyx contrasting with warm 18k gold.

The center is set with jasper and finished with a black onyx border. The cufflinks measure 5/8". Stamped Cellini 750

Three matched pairs of white gold and black onyx cufflinks. Stamped 18k Germany and weighs 32 grams gross weight.

These stunning vintage 14ct yellow gold cufflinks black onyx in a lovely design that is sure to catch attention.

Ten strands of black onyx beads have been sprinkled with 18 karat yellow gold beads, in this lovely 16" necklace.

A sleek and sophisticated vintage choker necklace crafted in rich 18K yellow gold, featuring alternating polished black onyx bar links and brilliant round diamonds.

Men's black onyx and diamond ring in 14k setting. Stamped 14k and weighs 14.1 grams gross weight.

. - 18K YELLOW GOLD OVAL BLACK ONYX + DIAMOND CUFFLINKS Details: 18k yellow gold Cuffs measure: 3/4" x 9/16" Main stone: Black Onyx (oval) Accent stone: diamond in the center of ova...

This elegant pair of vintage vases features a sophisticated design crafted from black onyx and accented with contrasting marble insets.

18 karat yellow gold and sterling silver. Sugarloaf cabochon black onyx center stones. Approximately 17.5mm x 20mm.

This contemporary version combines clean architectural lines with the contrast of black onyx and steel, creating a versatile statement piece.

This handsomely fashioned French bracelet in 18K yellow gold brings into focus a rectangular black onyx with a rose cut diamond at 0.04 carats embedded in the center.

14 Karat Yellow Gold Black Onyx and Diamond Ring Size 7.75- This elegant ring features one marquis black onyx stone (20 mm x 10 mm) and one round single cut diamond set in beautiful...

This necklace features 20 black onyx beads, measuring approximately 20.0 to 19.7mm, and accented with 18K gold beads and clasp, strung on a metal cord.

Material: 14k Yellow Gold & Black Onyx Condition: Pre-Owned Cufflinks Dimension: Length: 18.9mm Width: 13.9mm Thickness: 3mm Weight: 14.1grm Comes with Tiffany Pouch

Black onyx with pearls lapel mourning watch 18k yellow gold bezel and hinges; bezel and accent trim work set with seed pearls; overall size 1.44 inches width, 4.56 inches length; to...

A stunning Retro Ring of carved Black Onyx and White Onyx set with eight sparkling white Diamonds in 14 Karat Yellow Gold.

These stunning 14K Gold Black Onyx Vintage Cuff Links exude timeless elegance and sophisticated style.

Weight: 24.7 Grams Stone: Black Onyx Ring Size: 11 Measurements: 16.0 x 26.4 x 27.7 mm Hallmark: D.Y.

A pair of Jean Schlumberger for Tiffany & Co. black onyx and turquoise cufflinks, with turquoise studded black onyx spheres, on 18 carat gold, signed Schlumberger and Tiffany &am...

18k White Gold Diamond & Black Onyx Panther Panthere Claw Ring by Cartier.

This exquisite 1980s bracelet is a dome made of diamond & highly polished black onyx. the bracelet features 3 cabochon-free forms cut Black onyx gemstones, a bezel set measuring...

Necklace is comprised of Beautiful Rare Black Onyx Circles with a Mother of Pearl Mosaic Ball at Center.

David Webb Faceted Coral Black Onyx 18k Yellow Gold Necklace A collar necklace made of twenty faceted coral beads, twenty-one black onyx-lined discs, and 18 karat yellow gold; marke...

This classic men's substantial ring is crafted in 14k yellow gold and set with a square black onyx stone and round H-I VS2-SI1 diamonds of an estimated 0.50 carats.

18K Yellow Gold Diamond Rondelle & Black Onyx Bead Necklace - Understated luxury meets classic elegance in this sophisticated black onyx bead necklace, featuring three diamond-set 18...

18k Yellow Gold, Black Onyx, and Seed Pearl Oval Locket Necklace Description: This Victorian-inspired locket necklace is crafted in solid 18k yellow gold and features a smooth, matt...

Italian Art Deco Black onyx centerpieces with shape of a balance, 1940s Pair of centerpieces in the shape of a balance in black onyx.

A beautiful pair of black onyx and sterling silver dangle earrings, in the Art Deco style, circa late-20th century.

Circa 1950s black onyx and gold bead bracelet made in France.

Each earring showcases an oval black onyx stone, set in a traditional serrated bezel.

Each sapphire weighs approximately nine carats, bordered with black onyx, and further clustered with white round, brilliant-cut diamonds, and a tapered ruby baguette and tapered shou...

Larger cylindrical silver beads and polished black onyx accents are distributed throughout the design, creating a balanced contrast of tone and form.

Sterling silver carved face black onyx filigree link bracelet. Beautiful large and substantial bracelet featuring 5 filigree links each with a bezel set carved face of black onyx at...

These beautiful and unique earrings from David Webb feature a black onyx center accented by approximately 0.75 carat total weight in round diamonds.

–Stone(s): – Natural Genuine Lapis, Turquoise & Black Onyx- Round Faceted Cut Lapis- Custom Cut Turquoise - Custom Cut Black Onyx- Prong Set Lapis - Inlaid Set Turquoise & Black Onyx...