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Antique Platinum 1920’s Onyx, Sapphire & Diamond Ring
Located in Brighton, GB
Antique Onyx Ring Platinum Stamped Circa 1920’s Beautiful Square Shaped Antique Ring. Set with
Category

Early 20th Century English Art Deco Engagement Rings

Materials

Diamond, Onyx, Sapphire, Platinum

Antique 1920’s 18ct Gold & Platinum, French Onyx and Diamond Ring
Located in Brighton, GB
Antique Onyx Ring 18ct Gold & Platinum Tested Circa 1920’s A fabulous, rounded-square shaped
Category

Early 20th Century French Engagement Rings

Materials

Diamond, Onyx, Gold, 18k Gold, Platinum

1920s Art Deco Onyx Diamond Platinum Brooch
Located in New York, NY
An Art Deco platinum brooch with diamonds and onyx. The brooch has milgrain-set old European-cut
Category

Vintage 1920s Art Deco Brooches

Materials

White Diamond, Onyx, Platinum

1920s Art Deco Onyx Diamond Platinum Brooch
1920s Art Deco Onyx Diamond Platinum Brooch
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W 1.63 in L 3.5 in
Antique Platinum Art Deco Diamond and Onyx Brooch, c.1920's
Located in London, GB
breathtaking piece has been carefully handcrafted in Platinum, a choice of metal synonymous with 1920s and 30s
Category

Early 20th Century European Art Deco Brooches

Materials

Diamond, Onyx, Platinum

Antique Platinum Art Deco Diamond and Onyx Brooch, c.1920's
Antique Platinum Art Deco Diamond and Onyx Brooch, c.1920's
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W 0.79 in D 0.4 in L 2.64 in
Art Deco Old Cut Diamond and Onyx Platinum Brooch, Circa 1920's
Located in London, GB
6.3cm in length and weighs a total of 9.11 grams. Tested Platinum. England, circa 1920's.
Category

Vintage 1920s English Art Deco Brooches

Materials

Diamond, Onyx, Platinum

1920s Art Deco Onyx Pearl Diamond Platinum Pendant
Located in Berlin, DE
1920's. Art Deco set with a center diamond weighing 2,40 ct., clarity: VS1, color: cape. 38
Category

Early 20th Century Art Deco Pendant Necklaces

Materials

Diamond, Onyx, Cultured Pearl, 14k Gold, Platinum

Iconic Art Deco 1920s Onyx Diamond Platinum Gold Brooch
Located in New York, NY
Iconic Art Deco design platinum top and gold back brooch, featuring onyx top, adorned with approx
Category

Vintage 1920s Art Deco Brooches

Materials

Diamond, Onyx, Gold, Platinum

1920s Greenleaf & Crosby Onyx Diamond Platinum Brooch
Located in New Orleans, LA
Seventy-one sparkling white diamonds and faceted black onyx make an elegant statement in this Art
Category

Vintage 1920s Unknown Art Deco Brooches

Materials

Diamond, Onyx, Platinum

1920s Art Deco Natural Pearl Onyx Diamond Platinum Compact
Located in New York, NY
Exquisite!! Art Deco! Natural pearl, mother of pearl diamond and onyx compact, circa 1920's. Here
Category

Early 20th Century Unknown Art Deco Vanity Items

Materials

Onyx, Diamond, Natural Pearl, Platinum

1920s Art Deco Diamond and Onyx Circle Brooch in Platinum
Located in Wailea, HI
1920's Art Deco Diamond and Onyx Circle Brooch in Platinum Great For a Formal Occasion or a
Category

Early 20th Century Unknown Art Deco Brooches

Materials

Onyx, Diamond, Platinum

Antique 1920s Onyx Diamond Platinum Brooch 5.80 Cts
Located in London, GB
A vintage platinum diamond and onyx brooch circa 1920. The brooch is made up of two rows set with
Category

Vintage 1920s Brooches

Materials

Diamond, Onyx, Platinum

French 1920s Art Deco Diamond Coral Onyx and Platinum Earrings
Located in New York, NY
A pair of French Art Deco platinum earrings with diamonds, red coral and onyx. The earring tops
Category

Vintage 1920s French Art Deco Dangle Earrings

Materials

Coral, Diamond, Onyx, Platinum

Extreme Art Deco Diamond and French Cut Onyx Brooch, circa 1920s in Platinum
Located in Wailea, HI
Extreme Art Deco Diamond and French Cut Onyx Brooch c.1920's in Platinum One Old European Cut
Category

Early 20th Century Unknown Brooches

Materials

White Diamond, Onyx, Platinum

Cartier Paris Art Deco Onyx Diamond Bow Brooch, Circa 1920’s
By Cartier
Located in Kenley surrey, GB
-cut Onyx knot extending two single-cut diamond and calibre-cut Onyx ribbon loops, mounted in platinum
Category

Vintage 1920s French Art Deco Brooches

Materials

Diamond, Onyx, Platinum

Art Deco Diamond and Onyx Bracelet, circa 1920s
Located in London, GB
Metal: Platinum Age: 1920s
Category

Vintage 1920s Unknown Art Deco More Bracelets

Materials

Diamond, Onyx, Platinum

Art Deco Diamond and Onyx Platinum Earrings
Located in Berlin, DE
circa 9,63 carats. Embellish with 44 onyxes and black enamel. Mounted in Platinum. Marked 585, PAT. NO
Category

Early 20th Century Art Deco Dangle Earrings

Materials

Diamond, Onyx, Platinum

Art Deco Continental Platinum Diamond Onyx Brooch
Located in New York, NY
Art Deco platinum brooch , with approx. 3.80ctw SI/I diamonds and onyx (few stones are chipped
Category

Vintage 1920s European Art Deco Brooches

Materials

Diamond, 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
Category

Vintage 1920s British Art Deco Cocktail Rings

Materials

Diamond, Onyx, Platinum

Art Deco Onyx Platinum Pendant Diamond Surround
Located in North Hollywood, CA
This Art Deco Onyx Platinum Pendant has 1.50 carats in the Diamond Surround. The Onyx Plaque is
Category

Vintage 1920s American Art Deco More Jewelry

Materials

White Diamond, Onyx, Platinum

Art Deco Onyx Platinum Pendant Diamond Surround
Art Deco Onyx Platinum Pendant Diamond Surround
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W 0.87 in L 1.15 in
Columbian Emerald, Diamond and Onyx Art Deco Brooch, ca. 1920s
Located in Idar-Oberstein, DE
An emerald, diamond and onyx Art Deco brooch, ca. 1920, in platinum. The facetted square emerald
Category

Vintage 1920s Swedish Art Deco Brooches

Materials

Diamond, Emerald, Onyx, Platinum

1920s Art Deco onyx and diamond earrings
Located in London, GB
marked platinum, circa 1920. Please note shipping to the United States of America requires the
Category

Vintage 1920s Unknown Art Deco Chandelier Earrings

Materials

Diamond, Onyx, Platinum

Art Deco Diamond Onyx and Platinum Bow Brooch
Located in New York, NY
An Art Deco platinum brooch with onyx and diamonds. The brooch has 82 calibre cut onyx stones with
Category

Vintage 1920s Art Deco Brooches

Materials

Diamond, Onyx, Platinum

Art Deco Diamond Onyx and Platinum Bow Brooch
Art Deco Diamond Onyx and Platinum Bow Brooch
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W 2.88 in L 0.5 in
Art Deco 3.30 Carat Diamond and Onyx Ring, circa 1920s
Located in London, GB
beautifully. The onyx is also rub over set within a platinum mount. The shank is also made of platinum. The
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, Onyx, Platinum

Extreme Art Deco Diamond, Emerald and Onyx Platinum Bracelet
Located in Wailea, HI
Diamond, Emerald and Onyx Platinum Bracelet, Circa 1930's. This exquisite piece features a total diamond
Category

Early 20th Century Art Deco Link Bracelets

Materials

Diamond, Emerald, Onyx, Platinum

Cartier Art Deco Diamond Onyx Platinum Jabot Brooch Pin
By Cartier
Located in New York, NY
Iconic Art Deco jabot pin by Cartier, with onyx accents and approx. 2.60ctw G/VS diamonds. Brooch
Category

Vintage 1920s French Art Deco Brooches

Materials

Diamond, Onyx, Platinum

Art Deco 0.70 Carat Diamond and Onyx Cocktail Ring, circa 1920s
Located in London, GB
-I Clarity: SI Metal: Platinum Age: 1920s Size: N 1/2
Category

Vintage 1920s Unknown Art Deco Cluster Rings

Materials

Diamond, Onyx, Platinum

Cartier Art Deco Platinum Seed Pearl Diamond Onyx Tassel Brooch
By Cartier
Located in New York, NY
An exquisite and rare piece, Cartier platinum tassel brooch from Art Deco era, set with seed pearls
Category

Vintage 1920s French Art Deco Brooches

Materials

Diamond, Onyx, Pearl, Platinum

Art Deco 1.12 Carat Diamond and Onyx Cocktail Ring, c.1920s
Located in London, GB
This bold cocktail ring features a large circular onyx with an old cut diamond in its centre. The
Category

Vintage 1920s Unknown Art Deco Cocktail Rings

Materials

Diamond, Onyx, 18k Gold, Platinum

Art Deco Platinum Onyx and Diamond Ring 0.75ctw
Located in Narberth, PA
A striking ring from the Art Deco (ca1920s) era! Crafted in platinum, this ring adorns an Old Mine
Category

Vintage 1920s Unknown Art Deco Fashion Rings

Materials

Diamond, Onyx, Platinum

Art Deco 1.65 Carat Diamond and Onyx Drop Pendant Necklace, circa 1920s
Located in London, GB
Metal: Platinum Age: 1920s
Category

Vintage 1920s Unknown Art Deco More Necklaces

Materials

Diamond, Onyx, Platinum

Art Deco Jade, Diamond, & Onyx Dangle Drop Earrings in Platinum
Located in Boston, MA
Aston Estate Jewelry Presents: A pair of Art Deco style jade and onyx earrings in platinum
Category

Early 20th Century Art Deco Dangle Earrings

Materials

Diamond, Jade, Onyx, Platinum

Krementz .52 Carat Diamond Black Onyx Platinum Gold Cufflink Stud Dress Set
By Krementz & Co
Located in Stamford, CT
Early 1920's Krementz of New Jersey 14k onyx and diamond dress set in 14k gold with a platinum top
Category

Early 20th Century Cufflinks

Materials

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

Art Deco Onyx Concave Double Sided Gold Platinum Cufflinks
Located in Stamford, CT
Onyx 14k yellow gold double sided Onyx cufflinks with Platinum hand engraved rims. Circa 1920's
Category

Vintage 1920s Cufflinks

Materials

Onyx, 14k Gold, Platinum, Yellow Gold

Dashing Art Deco European Cut Diamond & Onyx Cocktail Ring in Platinum Circa 192
Located in Boston, MA
An Art Deco period diamond, and black onyx cocktail ring in platinum. Centered by a trio of old
Category

Early 20th Century Cocktail Rings

Materials

Diamond, Onyx, Platinum

French 1920s Art Deco Onyx Coral Diamond and Gold Cuff Links
Located in New York, NY
A pair of French Art Deco platinum and 18 karat gold cuff links with diamond, onyx and coral. The
Category

Vintage 1920s French Art Deco Cufflinks

Materials

Coral, Diamond, Onyx, 18k Gold, Platinum

Vintage Art Deco Ring Diamond Turquoise Onyx Platinum Cocktail Jewelry
Located in Torrance, CA
Finely detailed vintage Art Deco diamond, turquoise & onyx cocktail ring (circa 1920s to 1930s
Category

Early 20th Century Unknown Art Deco Cocktail Rings

Materials

Diamond, White Diamond, Onyx, Turquoise, Platinum

Savoir-Faire Onyx and Diamond Cocktail Ring in Platinum
Located in ADELAIDE, SA
Savoir-faire onyx and diamond dress ring. Inspired by the striking geometric patterns of the Art
Category

2010s Australian Art Deco Cocktail Rings

Materials

Diamond, Onyx, Platinum

Vintage Art Deco Diamond Onyx Ring Platinum Filigree Octagon Jewelry
Located in Torrance, CA
Elegant & finely detailed Art Deco era ring (circa 1920s to 1930s) crafted in 900 platinum. Old
Category

Early 20th Century American Art Deco Cocktail Rings

Materials

Diamond, White Diamond, Onyx, Platinum

Art Deco Inspired Malachite, Onyx, and Diamond Platinum Earrings
Located in Beverly Hills, CA
One Pair of Art Deco Inspired Malachite, Onyx, and Diamond Platinum Earrings. Featuring two pieces
Category

21st Century and Contemporary Art Deco Drop Earrings

Materials

Diamond, White Diamond, Malachite, Onyx, Platinum

Art Deco Old European Cut Diamond & Onyx Pendant Necklace in Platinum
Located in Boston, MA
platinum. Measurements: 14" Platinum chain, 1 3/8" Pendant Length. Weight: 4.2 Grams. Circa: 1920's
Category

Early 20th Century Art Deco Drop Necklaces

Materials

Diamond, Onyx, Platinum

Platinum, Onyx, Rock Crystal & Diamond Art Deco Style Bracelet
Located in Brisbane, QLD
This incredible platinum, gold, diamond, rock-crystal and onyx bracelet has been made in the Art
Category

20th Century Art Deco Retro Bracelets

Materials

Crystal, Diamond, Onyx, Rock Crystal, Yellow Gold, Platinum, Gold

Platinum, 18K, Rock Crystal, Diamond and Onyx Vintage Sautoir.
Located in Aspen, CO
polished fancy cut onyx rondels all strung on 18K gold chain. The clasp of the piece is circa 1920 and
Category

Vintage 1950s Art Deco Rope Necklaces

Materials

Diamond, Moonstone, Onyx, Rock Crystal, 18k Gold, White Gold, Platinum

Art Deco J.E. Caldwell & Co. Carved Jade, Onyx and Diamond Bracelet in Platinum
By J.E. Caldwell & Co.
Located in Philadelphia, PA
This Art Deco J.E. Caldwell & Co. platinum bracelet features 6 carved jade motifs separated by
Category

Vintage 1920s Art Deco Link Bracelets

Materials

Diamond, Jade, Onyx, Platinum

Antique Art Deco Black Onyx and Yellow Gold Platinum Set Cufflinks
Located in Jesmond, Newcastle Upon Tyne
An impressive pair of Art Deco onyx and 18 karat yellow gold, platinum set gent's cufflinks; part
Category

Vintage 1920s Unknown Art Deco Cufflinks

Materials

Onyx, Gold, 18k Gold, Yellow Gold, Platinum

Cartier Art Deco Jade, Coral, Onyx and Platinum Diamond Sautoir Necklace
By Cartier
Located in New York, NY
This 1920s Art Deco masterpiece by Cartier was inspired by the exotic gemstone combinations and
Category

Vintage 1920s American Art Deco Pendant Necklaces

Materials

Coral, Diamond, Jade, Onyx, Platinum

Mother of Pearl, Onyx, & Seed Pearl Art Deco Cufflinks-9k Gold Platinum Vintage
Located in Greensboro, NC
Era: Art Deco 1920s - 1930s Metal Content: Guaranteed 9k Gold as stamped & Platinum as tested
Category

Late 20th Century Unknown More Jewelry

Materials

Onyx, Pearl, 9k Gold, Platinum

Art Deco Platinum Gold Diamond 0.30 Carat Black Onyx 2.1 Inch Brooch
Located in New York, NY
The Art Deco Platinum Gold Diamond and Black Onyx Brooch is a piece of jewelry that is designed in the
Category

Early 20th Century German Art Deco Brooches

Materials

Diamond, Onyx, Gold, 14k Gold, Rose Gold, Platinum

Art Deco Van Cleef & Arpels Diamond Emerald Onyx Bangle
By Van Cleef & Arpels
Located in New York, NY
Emanating elegance and sophistication, comprising a 1920’s platinum Van Cleef & Arpels bracelet of
Category

Vintage 1920s French Art Deco Bangles

Materials

Diamond, Emerald, Onyx, Platinum

Platinum Art Deco Onyx & 7.00ct Old Mine Cut Diamond Brooch Brooch
Located in Atlanta, GA
Year: 1920s Item Details: Metal Type: Platinum [Hallmarked, and Tested] Weight: 16.5 grams Center
Category

Vintage 1920s Art Deco Brooches

Materials

Diamond, Platinum

Art Deco Diamond & Onyx Collar Clips
Located in London, GB
A very exquisite pair of Art Deco diamond and onyx collar clips. Circa 1920s. Dimensions
Category

Vintage 1920s Art Deco Brooches

Materials

Diamond, Onyx, Platinum

Art Deco Diamond & Onyx Collar Clips
Art Deco Diamond & Onyx Collar Clips
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W 1.3 in L 1.07 in
Tiffany & Co. Black Onyx Diamond Dress Set
By Tiffany & Co.
Located in New York, NY
Tiffany & Co. black onyx diamond dress set Extremely fine signed platinum and gold black onyx and
Category

Vintage 1920s Cufflinks

Materials

Platinum, White Gold

Tiffany & Co. Black Onyx Diamond Dress Set
Tiffany & Co. Black Onyx Diamond Dress Set
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W 0.56 in L 0.56 in
Art Deco Bulova Diamond Platinum Watch Pendant
By Bulova Watch Company
Located in Beverly Hills, CA
Classy Art Deco watch pendant created by Bulova in the 1920s. Made of black onyx and platinum
Category

Vintage 1920s Swiss Pendant Necklaces

Materials

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

Art Deco 0.5 Carat Old European Cut Diamond with Black Onyx Brooch Pin
Located in Addison, TX
Here we have a excellent example of an Art Deco era brooch! This genuine 1920's brooch features a
Category

Early 20th Century Art Deco Brooches

Materials

Diamond, Onyx, Platinum

Channel Set Onyx and Diamond Art Deco Bar Pin
Located in New York, NY
Elegant channel Set Onyx and Diamond Art Deco Bar Pin from the 1920's. Beautifully faceted, french
Category

Vintage 1920s American Art Deco Brooches

Materials

Diamond, Onyx, 14k Gold, Platinum

Incredible Diamond Onyx Rubellite 18k Gold Geometric Chandelier Earrings
By Mindi Mond
Located in New York, NY
earrings are originally from the Art Deco. Circa 1920’s. Post Back PLease see all photos and video
Category

21st Century and Contemporary American Art Deco Chandelier Earrings

Materials

Diamond, Onyx, Rubelite, 18k Gold, Platinum

Tiffany & Co. Blue Book Great Gatsby Onyx and Diamond Ring, 2013
By Tiffany & Co.
Located in Weston, MA
Tiffany in the 1920s, when they were known as one of the leading arbiters of the new Art Deco style. The
Category

2010s American Art Deco Cocktail Rings

Materials

Diamond, Onyx, Platinum

14K Gold Onyx and Diamond Signet Ring
Located in Venice, CA
This is a classic Art Deco men’s ring, circa the 1920’s. The 14k gold ring features a rectangular
Category

Vintage 1920s Unknown Art Deco Signet Rings

Materials

Diamond, Onyx, 14k Gold, Yellow Gold

Art Deco Earrings Platinum Diamond Dangle Antique Cut
Located in Beverly Hills, CA
A pair of gorgeous Art Deco earrings made of platinum, featuring antique cut diamond. These
Category

Vintage 1920s Unknown Art Deco Dangle Earrings

Materials

White Diamond, Platinum

Art Deco Platinum Multi Stone Charm Bracelet
Located in Narberth, PA
compilation of 7 charms that dangle from a fine platinum chain bracelet. Each platinum charm is unique and all
Category

Vintage 1920s Unknown Art Deco Charm Bracelets

Materials

Diamond, Emerald, Ruby, Blue Sapphire, Star Sapphire, Platinum

Art Deco Ring Eternity Band Platinum Diamond Estate Jewelry
Located in Beverly Hills, CA
An Art Deco ring designed as an eternity band, made of platinum with diamonds. The gemstones are
Category

Vintage 1920s Unknown Art Deco Wedding Rings

Materials

White Diamond, Platinum

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1920s Platinum Onyx For Sale on 1stDibs

On 1stDibs, you can find the most appropriate 1920s platinum onyx for your needs in our varied inventory. Frequently made of Platinum, Gold and 18k Gold, this item was constructed with great care. Finding the perfect 1920s platinum onyx may mean sifting through those created during different time periods — you can find an early version that dates to the 19th Century and a newer variation that were made as recently as the 20th Century. Finding an appealing 1920s platinum onyx — no matter the origin — is easy, but Cartier, J.E. Caldwell & Co. and Tiffany & Co. each produced a popular version that is worth a look. A round cut version of this piece has appeal, but there are also old european cut and old mine cut versions for sale. When shopping for a 1920s platinum onyx, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a 1920s Platinum Onyx?

On average, a 1920s platinum onyx at 1stDibs sells for $7,906, while they’re typically $775 on the low end and $350,000 for the highest priced versions of this item.
Questions About 1920s Platinum Onyx
  • 1stDibs ExpertDecember 4, 2023
    What era 1920s jewelry is depends on its design. Most people associate this decade with the Art Deco movement, which took inspiration from eclectic sources like Cubism, ancient Egypt and Native American, African and Asian motifs. However, some pieces produced during the 1920s are more in line with the style trends of earlier periods, such as Art Nouveau, Edwardian and Victorian. Explore a diverse assortment of 1920s jewelry on 1stDibs.
  • 1stDibs ExpertApril 5, 2024
    The clothing style in the 1920s that most people think of first is the flapper style. Women who dressed in this style sported loose-fitting, short dresses, often outfitted with drop waists and fringe. Small cloche hats and headbands were signature accessories of the flapper look. During the decade, pleated tennis skirts and cardigan sweater sets left the courts and became staples of some women's everyday styles. For men, soft collars replaced stiff, starched ones, and simple single and double-button suit jackets worn without waistcoats became trendy. Trousers also took on a new shape with wider-cut legs, and Oxford bags gained popularity. On 1stDibs, shop a variety of 1920s apparel and accessories.
  • 1stDibs ExpertJune 15, 2023
    In the 1920s, fashionable colors included jewel tones. Fashion, jewelry, furniture and decorative objects often featured jade green, deep reds, amethyst purple, dusty mustard yellow and peacock blue. Find a range of 1920s-era jewelry and fashion on 1stDibs.
  • 1stDibs ExpertNovember 21, 2023
    In the 1920s, engagement rings still looked like rings but were representative of a diverse range of styles and influences. Art Deco diamond ring designs took inspiration from the contemporary Cubist movement as well as from ancient Egypt – a revival sparked by the opening of King Tut’s tomb in 1922. Native American, African and Asian motifs also inspired jewelry pieces. Diamonds in square and rectangular shapes incorporating angular steps – like emerald cuts, Asscher cuts and baguettes – were set against black onyx, rubies, sapphires and emeralds to create color-blocking effects. Platinum, 18-karat gold, 14-karat white gold and sterling silver were some of the favored metals of the decade. Find a wide range of Art Deco engagement rings on 1stDibs.