Onyx Necklaces

Triple Gem Fish Black Onyx, Diamond, Emerald & 14k Gold Double-sided carved fish with a 2mm gold bezeled diamond eye on one side and a 1.5mm gold bezeled emerald eye on the other. ...

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...

An extraordinary and deeply charming necklace, where sculptural elegance meets quiet whimsy. This rare piece is crafted from rich black onyx and features a delightful antique ivory netsuke...

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 ...

This Cartier Panthère Necklace, crafted in 18k white gold, epitomizes the maison's iconic feline motif. The Panthère collection, a hallmark of Cartier's design legacy, showcases the ...

David Yurman Sterling Silver Onyx and Diamond Petite Albion Pendant Necklace w/Pouch- This lovely David Yurman pendant features a cushion cut black onyx stone with the designer's si...

Iconic and timeless, this pre-owned Van Cleef & Arpels Vintage Alhambra necklace showcases the maison’s celebrated motif design with elegant black onyx and luxurious 18K yellow gold....

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...

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 ...

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...

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 ...

This lovely onyx flower pendant has been made using the ancient art of stone carving. Each pendant has a hand carved strawberry onyx flower which is embedded with chrome diopside...

This Cartier Panthère Necklace, crafted in 18k white gold, epitomizes the maison's iconic feline motif. The Panthère collection, a hallmark of Cartier's design legacy, showcases the ...

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...

Gorgeous Marina J. hand woven Sautoir. This piece features perfectly round Pearls which display a wild sheen and luster, bordered by smooth Black Onyx beads. Each Pearl was individua...

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...

Black Natural Stone Necklace Natural Onyx set with Sterling Silver 925 Size: approx 25 x 20 mm (1' inch tall) Weight approx 8.4 grams Cord adjustable 16' - 18' inch sterling silver...

Single-strand graduated black onyx beaded necklace with engraved silver spacer beads throughout. - High-gloss black onyx round beads, graduating in size from smaller near the clasp ...

A fine signed rosary necklace. By King Baby. Pattern no. K56-5042. Comprised of onyx beads interspersed silver rose-shaped beads throughout. Set with a silver skull pendant enha...

An icon reborn in glittering form, this extraordinary necklace from Cartier features the Maison’s most legendary motif: the panther. Fashioned in 18k white gold and fully articulated...

Black Onyx & Tsavorite Paisley Necklace Black Onyx, Tsavorite & 14k Gold This jaw dropping necklace can be worn 15”-17” with a two inch extender at the back. The gold lobst...

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...

Victorian onyx, gold and seed pearl locket pendant circa 1880's. Lovely buckle motif with photo compartment in back. USA 1880's. 2.25" x 1.5". Origin...

THIS IS A WONDERFUL AND VERY RARE INLAID BLACK OPAL HEART SHAPED PENDANT WITH AN IMAGE OF A SWAN SWIMMING IN THE WATER. THE PENDANT IS BLACK ONYX WITH INLAID BLACK OPAL GEMS AND IS ...

This Vintage tiara is a symbol of beauty and self-love. It is handmade with Natural rose cut diamonds and emerald green colored onyx gemstone drops in sterling silver. Diamond- Rose...

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. ...

Pendant in 18K White Gold with the setting of Black onyx accented with Diamonds. There are ten Diamonds here, the largest in the center is brilliant cut Ø 2mm /0.03ct, color ca. F, ...

A striking and sophisticated creation from the celebrated house of VAN CLEEF & ARPELS, this rare 1970s necklace beautifully captures the bold glamour and refined artistry of the era....

This is a triple strand green onyx necklace with sterling silver clasp. We created this necklace with 9x6mm green onyx faceted nuggets and 3mm green onyx hand faceted beads as spacer...

Beautiful necklace in 9 kt rose gold structure mounted with sections of lapis, coral, malakite, onyx, pearls and rock crystal. Between of them, structures in 9 kt white gold studded ...

An important and exquisitely preserved Art Deco négligée necklace by Van Cleef & Arpels, Paris, circa 1920, distilling the geometric purity of 1920s French haute joaillerie to it...

Rare Cartier Himalia 18K White Gold Pearl Onyx & Diamond Long Station Necklace A rare and elegant example from the Himalia collection by the Iconic French firm of Cartier. The n...

Platinum necklace with center piece set with onyx and single cut diamonds up to. 1.00ct - F/G - VS/SI - 45 cm long detailed description the necklace is 45 cm long and 0.7 mm wide ...

Amazing multi-strands necklace mounted with two strands of pearls and a butterfly clasp in 9 kt rose gold and silver structure studded with diamonds for all the body and rubies, emer...

Indulge in this museum quality antique Victorian Pietra Dura Cross Pendant in 10 Karat Gold with inlaid semi-precious stones set in a Black Onyx Cross creating a mosaic image of a Ro...

This eye-catching necklace has a beautifully organic feel and features unusual wood opalite beads and an impressive 180.50 carat smoky topaz crystal. Wood opalite forms when a materi...

This necklace features green onyx gemstones totalling 40.36 carats, set in 925 sterling silver. Each 5 x 7 mm oval gemstone is securely prong set and arranged in a continuous linear design of 69 pieces, creating a graceful flow with smooth flexibility and fluid movement. Measuring 16.5 inches in length, the necklace offers a classic neckline fit that sits elegantly, making it suitable for both everyday wear and special occasions. Crafted in high quality 925 sterling silver, it has a durable yet polished structure, supported by a solid gross weight of 27.13 grams. Its balanced proportions of 0.17 inches in depth and 0.22 inches in width provide a refined yet noticeable presence, ensuring comfortable wear while maintaining a sleek and timeless silhouette. Pair it with neutral tones or black outfits to let the rich green onyx stand...

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...

This piece is made of all faceted Aquamarine, Green Onyx and solid 14k Yellow Gold findings all woven together into an intricate tight lace design. Due to the stones' translucent nature, this necklace radiates magnificent hues of Blue and Green when in the light. A stunning Vintage Enamel Butterfly brooch...

A rare and wonderful antique Belle Epoque, Victorian locket pendant with a beautiful engraved "M" initial on one side. The wonderful locket is 10 Karat Rose Gold. On one side the B...

Indulge in a spectacular Antique Victorian Rose Cut Diamond and Black Onyx Heart Pendant Necklace or Brooch in Silver atop 18 Karat Yellow Gold. The romantic and elegant Victorian j...

A refined yet fashion-forward piece, this 18K yellow gold pendant necklace showcases a striking interplay of deep black onyx and vibrant turquoise in a modern circular motif. Suspend...

Simple retrò necklace in silver mounted with onyx. This necklace was totally handmade by Italian master goldsmiths and it is in perfect conditions. Onyx 8.40 gr Total Weight 12.10 g...

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...

This necklace is comprised of green onyx gemstones in a mesh style arrangement with a total weight of 38.89 carats, set in 925 sterling silver. Each 1.7 mm round shaped stone is clos...

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...

Black Onyx Dog Paw Pendant with Diamonds & Emerald Black Onyx, Diamonds, Emerald & 14k Gold Hand carved black onyx dog paw with four 2mm round diamonds bezeled in gold - on...

Judith Ripka Sterling Silver Onyz & CZ Pendant- This stunning Judith Ripka pendant with enhancer is set in sterling silver and features an onyx ...

Fantastic pendant necklace in 18 kt white gold structure mounted with diamonds and tsavorite in the upper part; in the middle, onyx, diamonds and tsavorite; in the final part, a cor...

This is a magnificent Antique Victorian to Art Deco Locket Pendant in Black Onyx with an exquisite Pearl set Star Motif on the Black Onyx. The elegant early locket is silver with a...

A very special Inlaid Mexican Modernist Choker . Made up of Black Onyx, Purple Spiny oyster, Turquoise, Malachite and Lapis Lazuli stylized Arrows Link Choker Necklace. Exterior meas...

Brooch/pendant in 9Kt gold and silver embellished with diamonds in the edges, drop of green agate and details in onyx and emeralds. diamonds (0.03Kt) agate and onyx(both weight 3.4g...

Few color pairings hit as hard as warm orange-red against jet black. A go-to Art Deco mainstay, red coral and black onyx alternate, joining each bead to the next, lending a delicate ...

Description: An elegant Vintage Alhambra pendant from the 2016 Holiday Edition by Van Cleef & Arpels, exquisitely crafted in solid 18K rose gold. This refined piece features the ...

This necklace contains Green Onyx gemstones with a weight of 33.3 carats, prong set in 925 sterling silver. Each 4 x 6 mm octagon shaped stone is arranged in a continuous line of 69 ...

Elegance and sophistication come together in this stunning 18K white gold necklace, adorned with a captivating combination of onyx barrel beads, coral spheres, and diamonds. This pie...

An 18k yellow gold Van Cleef & Arpels onyx necklace from the Vintage Alhambra collection. The necklace comprises of the iconic Alhambra 4 leaf clover motif with an inlay of onyx, com...

Antique Victorian Mourning locket with a hand cut Central Opal Heart (13mm x 10mm) surrounded by eight mine cut natural diamonds (approx 1.5-1.75mm eac...

An elegant and artistic pendant-brooch crafted in 18k gold, showcasing a finely hand-carved lady figure in natural agate. The carving is rendered in soft tonal layers that highlight ...

Hand carved pink tourmaline parrot head with delicately feathered detail (by Master Idar-Oberstein carver) onyx beak and hand painted crystal eye. Set in h...