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Onyx Engagement Rings

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Gemstone: Onyx
Set in 18K Gold, 3.45 carats Aquamarine, Black Onyx & Diamonds Engagement Ring
Located in Hong Kong, HK
A very gorgeous and beautiful, modern style, Aquamarine & Black Onyx Engagement Ring set in 18K White Gold & natural Diamonds. The weight of the Aquamarine is 3.45 carats. The weight...
Category

21st Century and Contemporary Indian Art Deco Onyx Engagement Rings

Materials

Aquamarine, Diamond, Onyx, 18k Gold

Antique 18ct Gold, 1920s Art Deco Rectangular Onyx & Diamond Three Stone Ring
Located in Brighton, GB
Antique Onyx Ring 18ct Gold Tested Circa 1920s This stunning 18ct gold Art Deco era ring showcases a fabulous rectangular-shaped onyx accented with three milgrain-edged natural d...
Category

Early 20th Century European Art Deco Onyx Engagement Rings

Materials

Diamond, Onyx, Gold, 18k Gold

Antique 18ct White Gold 1920’s Art Deco Rectangular Onyx Diamond & Emerald Ring
Located in Brighton, GB
Antique Onyx Ring 18ct White Gold Tested Circa 1920’s This stunning Art Deco onyx ring is a true antique beauty. Crafted from 18ct white gold, this ...
Category

Early 20th Century European Art Deco Onyx Engagement Rings

Materials

Diamond, Emerald, Onyx, 18k Gold, White Gold

Art Deco Onyx And Old Cut Diamond Ring c.1920
Located in Firenze, IT
The oval shaped flat onyx inset with a collet set principal round old cut diamond, approximately 1ct. Length of head 1.7cm x 1.2cm The setting is in platinum with geometric motif eng...
Category

1910s Italian Art Deco Vintage Onyx Engagement Rings

Materials

Diamond, Onyx, Platinum

Art Deco Old Cut Diamond And Onyx Ring
Located in Firenze, IT
18 kt gold Art Deco onyx-diamond-ring, approx. 1920, oval ring head onyx, centered 1 old cut diamond approx. 0.40 ct ring shoulders in platinum with small diamond roses. Size 7 1/4 W...
Category

1920s Italian Art Deco Vintage Onyx Engagement Rings

Materials

Diamond, Onyx, Platinum

Antique 18ct Gold Stamped, 1920’s Onyx & Diamond Marquise Ring
Located in Brighton, GB
Antique Onyx & Diamond Ring 18ct Yellow & White Gold Stamped This stunning 1920s ring is a true masterpiece of fine jewellery craftsmanship. Made of 18ct yellow gold, it features a...
Category

Early 20th Century European Art Deco Onyx Engagement Rings

Materials

Diamond, Onyx, Gold, 18k Gold

Cirari 14k White Gold Onyx and Diamonds Men's Ring Size 11
Located in Guilford, CT
Condition:  Excellent Condition, Professionally Cleaned and Polished Metal:  14k Gold (Marked, and Professionally Tested) Weight:  9.4g Gemstone:  1.27ct Onyx Diamonds: Round Cut Na...
Category

21st Century and Contemporary Onyx Engagement Rings

Materials

Diamond, Onyx, Gold, 14k Gold, White Gold

Art Deco 0.65ct Diamond and Onyx Target Ring, c.1920s
Located in London, GB
A 0.65 carat old cut diamond is set within a ring of intense onyx in this beautiful target ring from the art deco period.  The unbroken ring of deep black onyx gives an eye catching ...
Category

1920s British Art Deco Vintage Onyx Engagement Rings

Materials

Diamond, Onyx, Platinum

14K White Gold Black Onyx Diamond Ring Size 4.75-5 #16945
Located in Washington Depot, CT
14K White Gold Black Onyx Diamond Ring Size 4.75-5 This gorgeous ring features a black onyx stone set in 14K white gold with a sparkling single cut diamond in the center! Approxima...
Category

20th Century Onyx Engagement Rings

Materials

Diamond, Onyx, Gold, 14k Gold, White Gold

Set in 18K Gold, Tourmaline cabochon, Black Onyx & Diamonds Engagement Ring
Located in Hong Kong, HK
A very gorgeous and beautiful, Tourmaline & Black Onyx Engagement Ring set in 18K Gold & natural Diamonds. The weight of the Tourmaline cabochon is 4.35 carats. The weight of the Bla...
Category

21st Century and Contemporary Indian Art Deco Onyx Engagement Rings

Materials

Diamond, Onyx, Tourmaline, 18k Gold

14K Yellow Gold Onyx Ring Size 6.25 #16163
Located in Washington Depot, CT
Vintage 14K Yellow Gold Onyx Ring Size 6.25 This gorgeous 14K gold ring features a beautiful oval black onyx stone! Ring size: 6.25 Shank: 3.5mm Front: 19.2mm X 14.8mm X 15.2mm We...
Category

20th Century Onyx Engagement Rings

Materials

Onyx, Gold, 14k Gold, Yellow Gold

Set in 18K Yellow Gold, Zambian Emerald, Black Onyx & Diamonds Engagement Ring
Located in Hong Kong, HK
A very gorgeous and beautiful, Art Deco style, Emerald & Black Onyx Engagement Ring set in 18K Yellow Gold & natural Diamonds. The weight of the oval shaped Emerald is 6.54 carats. T...
Category

21st Century and Contemporary Indian Art Deco Onyx Engagement Rings

Materials

Onyx, Emerald, Diamond, Yellow Gold, 18k Gold

Antique 1880s Victorian Old Mine Diamond Onyx Cocktail Cluster Engagement Ring
Located in New York, NY
A SUPER RARE, an absolute treasure, Authentic Victorian CIRCA 1880s Diamond Cluster 14k Gold Ring This breathtakingly shimmering, super rare and highly collectible the 19th Century ...
Category

1880s Victorian Antique Onyx Engagement Rings

Materials

Diamond, Onyx, Yellow Gold, 14k Gold

Vintage Solid Yellow Gold Black Onyx and Diamond Ring Size 6.5
Located in New York, NY
This striking ring features a bold rectangular black onyx, framed by a border of shimmering diamonds. The deep black of the onyx contrasts elegantly with the surrounding sparkle, cre...
Category

21st Century and Contemporary Art Deco Onyx Engagement Rings

Materials

Diamond, Onyx, 10k Gold, Yellow Gold

18 Karat Yellow Gold and Green Onyx Ring Size 6.5 #20933
Located in Washington Depot, CT
18 Karat Yellow Gold Green Onyx Ring Size 6.5 This elegant ring features one cabochon green onyx gemstone (12 mm) set in classic 18K yellow gold. Width: 11 mm. Shank: 4 mm. Ring S...
Category

20th Century Onyx Engagement Rings

Materials

Onyx, Gold, 18k Gold, Yellow Gold

Antique 15ct Gold 1920s Oval Onyx & Pearl Ring with an Onyx Teardrop Halo
Located in Brighton, GB
Antique Onyx Ring 15ct Gold Stamped Circa 1920s This stunning 15ct gold ring from the 1920s features an onyx centre stone adorned with three bezel-set natural seed pearls and a gold ball on either end. The ring is further embellished with a magnificent onyx teardrop...
Category

Early 20th Century English Onyx Engagement Rings

Materials

Onyx, Pearl, Gold, 15k Gold

French 1925s Art Deco Sapphire Diamond Onyx Platinum Ring
Located in Poitiers, FR
Ring in platinum. A sublime Art Deco ring featuring a platinum mounting and band holding a rectangular cut onyx plaque. The onyx holds 2 asymmetrical settings : one a brilliant-cut a...
Category

1920s French Art Deco Vintage Onyx Engagement Rings

Materials

Onyx, Diamond, Sapphire, Platinum

Aquamarine Sapphire Onyx Art Deco Style Target Engagement Ring in 18K White Gold
Located in Bangkok, TH
This stunning target ring boasts a center icy aquamarine weighing 0.70 carat. The center diamond is encircled by French-cut blue sapphires an onyx. Whether you are looking for a dres...
Category

21st Century and Contemporary Thai Art Deco Onyx Engagement Rings

Materials

Sapphire, Onyx, Aquamarine, White Gold, 18k Gold

GIA Certified Old European Cut Diamond Art Deco Style Onyx & Diamond Ring
Located in Chicago, IL
💎 Center Stone: 1.06 carat Old European Cut diamond (GIA Certified) 📜 Certification: GIA 🎨 Color: J – Faces up beautifully white 🔍 Clarity: VS2 – Excellent clarity, eye clean 📐 ...
Category

2010s American Art Deco Onyx Engagement Rings

Materials

Diamond, Onyx

Cartier Panthere De Cartier 1.15 ct Round Diamond, Tsavorite Garnet & Oynx Ring
Located in Chicago, IL
Cartier Panthere De Cartier 1.15 ct Round Diamond, Tsavorite Garnet & Oynx Ring 18K Rose Gold Size 54 US 6.75. The Ring weighs 12.6 grams of solid 18K Rose Gold, 11mm wide, Size 5...
Category

2010s French Modern Onyx Engagement Rings

Materials

Diamond, White Diamond, Garnet, Onyx, Tsavorite, 18k Gold, Yellow Gold

Art Deco 14k White Gold Black Onyx Diamond Filigree Ring
Located in New York, NY
This exquisite ring features a striking black onyx centerpiece, elegantly set in 14k white gold. The onyx is adorned with a single sparkling diamond, adding a touch of brilliance. Th...
Category

Early 20th Century Art Deco Onyx Engagement Rings

Materials

Diamond, Onyx, 14k Gold, White Gold

Diamond and Onyx Art Deco Style Ring in 14K Yellow Gold
Located in Bangkok, TH
This stunning Art Deco-style ring features a brilliant diamond at its center, elegantly set atop a striking square onyx. The contrast between the luminous diamond and the deep black ...
Category

21st Century and Contemporary Thai Art Deco Onyx Engagement Rings

Materials

Onyx, Blue Sapphire, Diamond, Yellow Gold, 14k Gold, Gold

Antique 18ct Yellow Gold 1920’s Onyx & Diamond Ring
Located in Brighton, GB
Antique Onyx & Diamond Ring 18ct Gold Stamped 750 A Fabulous Diamond Shaped, Flat Onyx with Diamond Centre. A Beautiful Handmade Conversion Piece From a 1920’s Cufflink, Mounted on...
Category

Early 20th Century English Onyx Engagement Rings

Materials

Diamond, Onyx, 18k Gold, Yellow Gold

Antique GIA 2.25ct Old European Cut Diamond and Onyx Ring, Platinum Circa 1920
Located in New York, NY
This exquisite antique Art Deco ring, handcrafted in platinum circa 1920, showcases a striking old European cut diamond at its center. GIA-certified at 2.25 carats with a K color and...
Category

1920s Unknown Art Deco Vintage Onyx Engagement Rings

Materials

Diamond, Onyx, Platinum

Cartier Onyx 18k White Gold Tank Ring
Located in Beverly Hills, CA
An original Cartier piece from their famous Tank collection. It features a smoothly polished piece of black onyx set atop a sturdy 18k white gold ring. Tank rings are one of Cartier’...
Category

21st Century and Contemporary North American Onyx Engagement Rings

Materials

Onyx, White Gold

David Yurman Sterling Silver Black Onyx and Diamond Wheaton Ring
Located in New York, NY
Designer: David Yurman Material: sterling silver Diamond: 18 round brilliant cut = 0.23ctw Color: H Clarity: SI1 Onyx Dimensions 15mm X 19.8mm Size: 6.75 Weight: 15.7 grams Conditio...
Category

21st Century and Contemporary Onyx Engagement Rings

Materials

Diamond, Onyx, Sterling Silver

Antique Art Deco J. E. Caldwell Platinum French Cut Onyx and Diamond Ring
Located in Great Neck, NY
Beautiful Antique Art Deco J. E. Caldwell Platinum French Cut Onyx and Diamond Ring. This beautiful Art Deco J. E. Caldwell French cut onyx and diamond ring is crafted in platinum. T...
Category

1920s Art Deco Vintage Onyx Engagement Rings

Materials

Diamond, Onyx, Platinum

Circa 1920s GIA 1.17ct Old European Brilliant Diamond Engagement Ring
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 5.5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3.5 grams Center Diamond Details: GIA Report#:2235289755 Weight: 1.17ct total weight Cu...
Category

1920s Art Deco Vintage Onyx Engagement Rings

Materials

Diamond, Onyx, Platinum

Bvlgari Onyx and Diamond Ring
Located in London, GB
Here we have an 18ct white gold Bvlgari flip ring. One side of the spinning face plays host to a single circular black onyx section whilst the revers...
Category

21st Century and Contemporary Italian Onyx Engagement Rings

Materials

Diamond, Onyx, Gold, 18k Gold, White Gold

Vintage 14k White Gold Onyx & Diamond Filigree Ring
Located in Hicksville, NY
Year: 1930s Item Details: Ring Size: 3.50 Metal Type: 14k White Gold [Hallmarked, and Tested] Weight: 3.0 grams Diamond Details: Weight: .05ct, total weight Cut: Old European br...
Category

1930s Unknown Art Deco Vintage Onyx Engagement Rings

Materials

Diamond, Onyx, White Gold

Gucci Le Marché des Merveilles 18 Karat Gold Diamond and Onyx Feline Motif Ring
Located in New York, NY
The “Le Marché des Merveilles” ring by Gucci is crafted from 14K yellow gold and set with an onyx and three diamond stones. The onyx weights approximately 1.07 carats and the diamond...
Category

21st Century and Contemporary Onyx Engagement Rings

Materials

Diamond, Onyx, 14k Gold, Yellow Gold

10 Karat Yellow Gold Onyx and Seed Pearl Ring Size 7 #18658
Located in Washington Depot, CT
10 Karat Yellow Gold Onyx and Seed Pearl Ring Size 7 This elegant ring features one oval onyx stone (14 mm x 12.5 mm), 36 seed pearls and one clear stone set in meticulously detaile...
Category

20th Century Contemporary Onyx Engagement Rings

Materials

Onyx, Pearl, 10k Gold, Yellow Gold

Art Deco 14K Yellow Gold Onyx & Diamond Ring
Located in Lexington, KY
This beautiful Art Deco ring is made in 14k yellow gold and features both black onyx and diamond. True to Art Deco, this ring features beautiful open work shoulders that provide grea...
Category

1920s Art Deco Vintage Onyx Engagement Rings

Materials

Diamond, Onyx, Gold, 14k Gold, Yellow Gold

19th Century Italian Gold And Onyx Crown Ring
Located in Firenze, IT
Yellow gold 750‰ ring-mounted decorative, polished onyx plaque and applied countess crown. Finger size: 8 Diameter of bezel: 2.1cm. Gross weight: 7.1g.
Category

Late 19th Century Italian Antique Onyx Engagement Rings

Materials

Onyx, Gold, 18k Gold

Diamond Turquoise and Onyx Art Deco Style Cocktail Ring in 14K White Gold
Located in Bangkok, TH
A round diamond at the center, placed gracefully on top of a rectangular shaped turquoise stone. The turquoise is framed by sleek onyx, adding a striking contrast, and is further acc...
Category

21st Century and Contemporary Thai Art Deco Onyx Engagement Rings

Materials

Diamond, Onyx, Turquoise, 14k Gold, White Gold

Van Cleef Arpels Diamond Yellow Gold Vintage 0.52ct Diamond & Onyx Ring
Located in New York, NY
This exquisite vintage Van Cleef & Arpels ring showcases a striking V-shaped design, seamlessly blending timeless elegance with bold contrast. One section of the ring is adorned with...
Category

21st Century and Contemporary Unknown Art Deco Onyx Engagement Rings

Materials

Diamond, Onyx, Gold, Yellow Gold

Marquise Diamond and Enamel Engagement Ring in Platinum
Located in New York, NY
Marquise Diamond And Enamel Engagement Ring Handcrafted In Platinum. Marquise diamond weight : 1.25 Carat with I color and VS2 clarity Metal : Platinum Ring Size : 6 1/2
Category

2010s American Contemporary Onyx Engagement Rings

Materials

Onyx, Diamond, Enamel, Platinum

Art Deco Platinum Halo Onyx and Diamond Ring
Located in Narberth, PA
A striking ring from the Art Deco (ca1930s) era! Crafted in platinum, this ring adorns an old Mine Cut diamond within a bezel setting. The diamond, weighing approximately 2.46ct in L...
Category

1930s Unknown Art Deco Vintage Onyx Engagement Rings

Materials

Diamond, Onyx, Platinum

Round Black Onyx Cabochon Diamonds Swirl Scroll 14K Rose Gold Diamond Ring
Located in Oakton, VA
A striking and unique ring. This piece features a bold black onyx set in a 14k rose gold band. The stone is adorned with intricate circular accent diamonds (0.30ctw), adding a touch ...
Category

21st Century and Contemporary Onyx Engagement Rings

Materials

Diamond, Onyx, 14k Gold, Rose Gold

Orange Sapphire Heart Cocktail Ring with Onyx and Diamonds in 18 Karat Gold
Located in Carrollton, TX
A heart within the heart! Absolutely stunning heart-shaped, orange sapphire surrounded by migrain and then custom cut onyx in an 18k yellow gold setting. This custom setting is spe...
Category

2010s American Contemporary Onyx Engagement Rings

Materials

Diamond, Onyx, Sapphire, 18k Gold, Yellow Gold

Diamond and Onyx Art Deco Style Ring in 14k White Gold
Located in Bangkok, TH
Art Deco inspired 14k white gold, with center H color SI clarity, round brilliant cut diamond. In additional, there are sixteen French cut onyxes. The ring also has additional diamon...
Category

21st Century and Contemporary Thai Art Deco Onyx Engagement Rings

Materials

Diamond, Onyx, 14k Gold, White Gold

Bvlgari Bulgari Onyx Circle Ring 18k Large White Gold Size 7.25
Located in Northbrook, IL
This exquisite Bvlgari ring features a stunning onyx stone in a circular design, set in 18k white gold. The size is a generous 7.25 and showcases the iconic BVLGARI BVLGARI collectio...
Category

Late 20th Century Onyx Engagement Rings

Materials

Onyx, 18k Gold, White Gold

Sellier Dumont Art Deco French Ceylon Sapphire Diamond Platinum Vintage Ring
Located in Philadelphia, PA
Centering an oval cut sapphire weighing 15.10 carats - transparent light blue in color Natural Ceylon (Sri Lankan) in origin and displaying no indications of heat treatment Set with ...
Category

1930s Art Deco Vintage Onyx Engagement Rings

Materials

Diamond, Onyx, Platinum, Enamel

Blue Topaz Onyx Diamond Art Deco Style Step Shoulder Ring in 14K White Gold
Located in Bangkok, TH
Step into a realm of timeless elegance with our exquisite Blue Topaz Onyx Diamond Art Deco Style Step Shoulder Ring in 14K White Gold. This stunning piece features a captivating emer...
Category

21st Century and Contemporary Thai Art Deco Onyx Engagement Rings

Materials

Blue Topaz, Topaz, Onyx, Diamond, White Gold, 14k Gold

Handcraft Onyx 18 Karat White Gold Diamonds Cocktail Ring
Located in Marcianise, IT
The Scala Gioielli & Figli is pleased to announce to all its customers who purchase outside the European Community an additional 10% discount from the list price on all its items. Th...
Category

21st Century and Contemporary Italian Artisan Onyx Engagement Rings

Materials

Diamond, Onyx, 18k Gold, White Gold

Certified Jade, Rose Cut Diamond & Onyx Ring & Pendant. Imperial Green Jade. XXL
Located in Hong Kong, HK
Please check out the HD video. This is a versatile piece, you can wear it as a ring or as a pendant, dressed up or casual. The GLOW (under normal light) on these jades are out of thi...
Category

2010s Hong Kong Onyx Engagement Rings

Materials

Jade, Onyx, White Diamond, Diamond, White Gold, 18k Gold, Gold

Art Deco 3.30 Carat Diamond and Onyx Ring, circa 1920s
Located in London, GB
This stunning and elegant solitaire ring, features a beautifully hand cut old cut diamond. Weighing 3.30 carat, it is a J in colour and VS1 in clarity. It is perfectly rub over set a...
Category

1920s Unknown Art Deco Vintage Onyx Engagement Rings

Materials

Diamond, Onyx, Platinum

Vintage Circa 1970s Oval Onyx Ring 9 Carat Yellow Gold
Located in Hamilton, AU
Our Elton Ring has been handsomely crafted in 9 carat gold and inlaid with polished onyx. Filigreed shoulders reach toward the midnight onyx resting in it's frame of rich gold. A sty...
Category

1970s Unknown Modern Vintage Onyx Engagement Rings

Materials

Onyx, Gold, 9k Gold, Yellow Gold

Art Deco Jadeite Jade Diamond Onyx Platinum Vintage Cocktail Ring
Located in Philadelphia, PA
Centering an oval shaped jade cabochon measuring 9.0 x 11.0 mm Translucent vibrant green in color with subtle mottling - bezel set Flanked by rows of bead set single cut diamonds Wei...
Category

1930s Art Deco Vintage Onyx Engagement Rings

Materials

Diamond, Jade, Onyx, Platinum, Enamel

1930s Art Deco Diamond Onyx Platinum Ring
Located in Poitiers, FR
Ring in platinum. A delightful Art Deco antique ring, its rectangular setting features a closed-set onyx holding a brilliant-cut antique diamond. The setting is adorned with 2 lines ...
Category

1930s French Art Deco Vintage Onyx Engagement Rings

Materials

Diamond, Onyx, Platinum

Antique 2.25 Old Euro-Cut Diamond Ring, Onyx Halo, Platinum, circa 1920
Located in New York, NY
An antique Art Deco ring featuring a 2.25-carat old European cut diamond bezel set in buffed onyx. The M color and VS2 clarity diamond is held b...
Category

1920s Art Deco Vintage Onyx Engagement Rings

Materials

Diamond, Onyx, Platinum

Art Deco Lapis Lazuli and Diamond Ring
Located in London, GB
Here we have a wonderfully unique ring from a time when the Art Deco style was at the height of design. A square domed shaped lapis lazuli with vertical engravings dominates the face...
Category

1930s Art Deco Vintage Onyx Engagement Rings

Materials

Diamond, Lapis Lazuli, Onyx, Platinum

Art Deco Onyx Diamond Platinum Ring
Located in Firenze, IT
Centering old mine-cut diamonds to scalloped shaped black onyx sides, mounted in platinum, circa 1920 Size 7
Category

1920s British Art Deco Vintage Onyx Engagement Rings

Materials

Diamond, Onyx, Platinum

14 Karat Yellow Gold Onyx and Diamond Ring Size 7.25 #18528
Located in Washington Depot, CT
14 Karat Yellow Gold Onyx and Diamond Ring Size 7.25 JAGi Certified This lovely ring features one oval black onyx gemstone (8.1 mm x 6.2 mm) and 22 round brilliant cut diamonds set ...
Category

20th Century Contemporary Onyx Engagement Rings

Materials

Diamond, Onyx, 14k Gold, Yellow Gold

2.52 Carat Diamond Emerald Onyx Platinum Engagement Ring
Located in Stamford, CT
Diamond Emerald Onyx Mosaic Platinum Engagement Ring. GIA certified center Transitional brilliant cut diamond in a Calibré cut genuine emerald and black Onyx ring in a Platinum sett...
Category

1930s Vintage Onyx Engagement Rings

Materials

Diamond, Emerald, Onyx, Platinum

Diamond and Octagon Onyx Art Deco Style Ring in 14K White Gold
Located in Bangkok, TH
A stunning, fine and impressive Art Deco style diamond and onyx halo ring. A total of .28 carats of diamond are set in octagonal shaped onyx...
Category

21st Century and Contemporary Thai Art Deco Onyx Engagement Rings

Materials

Onyx, Diamond, White Gold, 14k Gold

Antique Victorian Gold Hardstone Cameo Ring
Located in New York, NY
This exquisite ring features a finely detailed cameo set in a rose gold band. The cameo depicts a classical profile, intricately carved with precision. The gold setting enhances the ...
Category

Mid-19th Century Victorian Antique Onyx Engagement Rings

Materials

Onyx, 10k Gold

Circa 1930s Art Deco Onyx & Diamond GIA 1.26ct Old European Brilliant Ring
Located in Hicksville, NY
Year: 1930s Item Details: Ring Size: 7.5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 6.5 grams Center Diamond Details: GIA Report#: 6234063629 Weight: 1.26ct total weigh...
Category

1930s Unknown Art Deco Vintage Onyx Engagement Rings

Materials

Diamond, Onyx, Platinum

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