Onyx Necklaces

This necklace is just gorgeous and has a fabulous design. It's a Sterling Silver Geometric Onyx Link Choker/Necklace with matching earrings. It is handmade and drapes beautifully a...

An edgy and highly collectible late 19th-century Victorian silver necklace, featuring a masterfully sculpted bird’s claw gripping a solid, po...

Art Deco Onyx & Diamond Pendant Platinum Stamped Circa 1920s Capture the sophisticated glamour of the 1920s with this exquisite Original Art Deco Pendant. Meticulously crafted...

This is a black tourmaline necklace with cameo pendant. Nouveau Boutique created this necklace with natural black tourmaline crystals and polished onyx beads. It is attached to a 193...

A Return to Tiffany necklace by Tiffany & Co. in sterling silver, featuring a round link chain and a removable double heart pendant. The pendant pairs a sterling silver Return to Tiffany heart tag with a black onyx heart, joined by a spring ring so the pendant detaches and can also be worn as a charm on a bracelet or another chain. A classic Return to Tiffany silver and onyx double heart necklace from Tiffany & Co. Details Round link chain in sterling silver Removable double heart pendant, medium silver heart tag with a large black onyx heart Hearts joined by a spring ring; pendant detaches and can be worn as a charm Silver tag engraved PLEASE RETURN TO TIFFANY & CO. NEW YORK 925 Reverse marked ©Tiffany & Co. 925; chain stamped T&Co. 925 Onyx heart is unmarked, as is standard for Tiffany onyx...

Van Cleef & Arpels Vintage Alhambra Black Onyx & Yellow Gold Pendant Necklace Metal: 18k yellow gold Weight: 5.11 grams Pendant: 15mm Length: 16.5 inches (42cm) Retail: $ 2,9...

This Cartier Caresse d'Orchidées necklace, crafted in 18-karat white gold, embodies the maison's signature floral elegance. Featuring two orchid motifs, this piece showcases the dual...

This is necklace that everyone should have in their collection. It is simple, elegant and so versatile. You can wear it alone or where it with a pendant. The onyx beads are 4.1 mm...

This 18‑inch necklace blends **gold‑washed lava rock** with **matte black onyx rondels** to create a striking play of texture, color, and form. The lava rock beads have an open, airy...

14k yellow gold medallion pendant with onyx and pearl detailed description The pendant is 4.5 cm long by 2.7 cm wide A photo can be placed behind glass in the pendant weight 13.5...

Vintage Soviet made cast Greek revival Cameo depicting the head of a Woman set in solid 14K orange toned Gold. Stone is lab made Black Quartz / artificial Onyx ( Mohs 7 ) . Cameo is ...

A masterclass in Victorian ingenuity and versatility, this rare c. 1880s antique piece functions as a dual-purpose convertible brooch and pendant necklace. At its center rests a met...

Lorraine’s Bijoux has on offer a Large Vintage multi stone Sterling Silver Mexican Cross Necklace. Cabachons of onyx, lapis lazuli, Carnelian, Rhodochros...

Exquisite, rare antique diamond, carved onyx, pearl, enamel and 18K yellow gold locket in the form of a scallop with a precious pearl 19th Century The scallop and precious pearl moti...

Beautiful real natural green Turquoise enhanced with natural real black Onyx is 16 1/2 inches long. The largest of the Green Turquoise is approximately 22mm. The largest Black Ony...

Details are here below: Metal- Silver Metal purity- sterling silver or 925 Gemstone- Onyx Origin- Natural Diamond- Natural rose cut diamond Diamond origin- Natural, real, earth mine...

The largest middle natural red Coral in this double strand necklace is 34mm x 16mm. The glittering gemcut sparkling natural black Onyx are 4mm. This dramatic fascinating beautiful ...

This Van Cleef & Arpels necklace, crafted in 18k yellow gold, showcases the iconic Alhambra design with a bold, graphic twist. Featuring twenty black onyx clovers, each motif is meti...

This is a wonderful Zuni Native American stone-to-stone inlay pendant in Sterling Silver with red coral, turquoise, opal, black onyx, orange spiny oyster and Mother of Pearl to creat...

Double strand of highly polished glowing natural black Onyx (18 mm) enhanced with rondels of natural red Bamboo Coral set in this double strand necklace with gold tone easy to use ho...

Black Onyx rondels (largest is 20 mm) enhanced with glittering brilliant pinky Czech crystals set in a unique handmade 17.5 inch long necklace with goldy hook clasp. This stands out...

Art Deco Green Onyx and Marcasite Pendant set in sterling by Wachenheimer, Germany. Fancy cut crysophrase stones are set into Art Deco design set with marcasites. Wachenheimer made h...

A fine signed, beaded necklace. By Paloma Picasso for Tiffany & Co. Strung with alternating moonstone, quartz, and onyx 10 mm beads on an incredibly large 61-inch silk cord. ...

This exquisite Van Cleef & Arpels necklace from the iconic Magic Alhambra collection features a 6-motif design of beaded clovers crafted in 18k yellow gold and set with Mother-of...

A Tiffany & Co. double-strand necklace of polished black beads, centered on a hidden floral clasp formed as two overlapping blossoms, each accented with an 18k yellow gold starfish. ...

Art Deco Marcasite and Onyx Pendant from the 1920's set in sterling. Carved oval onyx is set within a marcasite frame with matching bale. Period Europea...

Victorian Pietra Dura Locket from the late 19th Century set in 9K gold. Inlaid hardstones form a floral design in turquoise, alabaster and agate ...

Wonderful Sybil Dunlop Multi Stone Arts and Crafts Pendant from the 1920's UK. Unsigned pendant in sterling with an array of multicolored semi precious stones in fancy cuts. Cabochon...

Yves Saint Laurent / Martine Boutron Haute Couture faux coral pate de verre and stone necklace with onyx and hematite asymetrical decoration, silver gi...

NOTE: This item contains natural coral. Sale is restricted to UK buyers only. This item will not be shipped internationally due to wildlife trade regulations. A striking rare vintag...

Antique Onyx & Diamond Pendant 18ct Gold & Platinum Circa 1910 An elegant and refined Edwardian necklace, embodying the lightness and intricate beauty that define the era....

Description: A highly collectible 2016 Holiday Vintage Alhambra Pendant Necklace by Van Cleef & Arpels, exquisitely crafted in solid 18K rose gold. This limited-edition design fe...

This stunning tennis necklace from Silvorra is meticulously crafted in 925 sterling silver and adorned with 73 natural octagon-cut green onyx, each measuring 5x3 mm for a total weigh...

Materials: 950-grade silver; onyx stone pendant; includes an 18 inch long silver necklace (chain) Pendant Dimensions: Width: 0.13″; Length: 0.20″ Editorial Tone: Channel the sophist...

“Midnight Embrace” is an exquisite sculptural cat pendant, handcrafted in 18K rhodium-plated white gold with a hand-carved natural black onyx cat, natural emerald eyes, and approxima...

This elrgant 925 sterling silver pendant features a single pear-shaped natural black onyx gemstone measuring 15x14 mm and weighing 8.8 carats. The bold centerpiece is framed by an el...

For sale is this wonderful Victorian 18 Karat solid yellow gold Jet pendant. The front is decorated with many small and larger pearls set in a star shaped formation. Onyx jewelry wer...

An iconic Van Cleef & Arpels Vintage Alhambra pendant necklace, crafted in 18K rose gold and set with polished black onyx. The pendant features the Maison’s celebrated four-leaf clov...

This Louis Vuitton necklace, crafted in 18-karat yellow and white gold, embodies the brand's iconic design. Featuring nine round brilliant diamonds totaling approximately 0.40 carats...

An iconic 18k yellow gold and onyx Van Cleef and Arpels necklace from the Vintage Alhambra collection. The necklace comprises of 10 iconic 4 leaf clover motifs, each set with a beade...

A ten-motifs Alhambra necklace designed by Van Cleef & Arpels. This is a beautiful ten-motif chain necklace created by the prestigious French jewelry house of Van Cleef & ...

This striking 18‑inch necklace showcases a series of highly polished oval onyx tablets, each measuring 24×18 mm and selected for their deep, velvety black sheen. The smooth, reflec...

Lorraine’s Bijoux offers a Fabulous , one of a kind, handmade, multi Vintage Sterling Silver pendants, with vintage Jet and Onyx beads necklace. These three vintage pieces are all st...

This is a strand of green onyx necklace with sterling silver jeweled clasp. We created this necklace with 7mm faceted green onyx rondelles and 2mm micro faceted beads. 10x10mm facete...

Antique Onyx Pendant 15ct Gold Stamped Circa 1890 This striking Victorian pendant is truly a one-of-a-kind piece. The pendant is crafted with a...

A striking vintage Panthère de Cartier diamond and onyx necklace set in 18k white gold.

The necklace features a pavé-set diamond circular link suspending a geometric recta...

10K Yellow and Rose Gold Onyx Heart Pendant Express timeless elegance with this stunning 10K Yellow Gold Onyx Heart Pendant. Featuring a beautifully polished heart-shaped black onyx...

This significant lavender jade carving of the grape motif is the latest addition to Dilys’ rare jade collection. The icy lustre of this substantial piece of natural A-grade lavender ...

This is an Art Deco style green onyx necklace with a sterling silver leopard clasp. We created this double-strand long swing necklace with 8mm and 2mm faceted translucent green onyx ...

A sophisticated Tiffany & Co. necklace crafted in sterling silver, featuring elegant black onyx accents and the brand’s signature toggle clasp design. The bold contrast between p...

Brand: Tiffany & Co. Style: Bow Pendant Multi-Strand Necklace Material: 18k Yellow Gold Gemstones: Natural black onyx beads Necklace Width: Approximately 23.1 mm Pendant Measurements...

Marina J.'s unique art deco style necklace features a variety of shapes: sphere pearls, cylindrical onyx beads, coral teardrop beads, and more. This striking piece mimics jewelry fro...

An Art Deco sautoir comprised of a natural pearl, onyx and diamond tassel suspended from an onyx station chain, in platinum. 22" chain; 3 3/4" tassel * Free shipping * Includes let...

Make a striking, sophisticated statement with this elegant Kenneth Jay Lane (KJL) Modernist collar choker necklace. This piece is highly characteristic of KJL's celebrated Mid-Centur...

A refined Italian-crafted station necklace featuring alternating onyx and turquoise circles set in solid 14-karat yellow gold. Each circle measures approximately 0.48 inches (12.2 mm...

A stunning Pietra Dura Brooch in 14 Karat Gold with inlaid semi-precious stones creating a mosaic image of flowers including a gorgeous central whit...

These Victorian Onyx Lockets are so spectacular! I just love them for making a big, bold statement! Crafted in 14K Yellow Gold, the design featur...

Shell Pendant By Jen Proudman Jewelry Black Onyx, Diamond, Spinel and 14k Gold Carved black onyx  Shell (15mm diameter) with offset 2mm white diamond bezeled in gold and a stunnin...

This is a magnificent Victorian - Belle Epoque Picture locket pendant necklace in Black Onyx, and 14 Karat Gold with Pearl adornments in a Flower Motif design with an exquisite braid...

Other Details: Primary Stone: Diamond Diamond Weight: 0.45 carats total Diamond Setting: Pavé Set Secondary Stones: Black Onyx Onyx Location: Serpent Eyes Jewelry Type: Necklace S...