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1920s Platinum Diamond Jewelry

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Antique 18ct Gold Platinum 1920s Art Deco Sapphire Diamond Swirl Ring
Located in Brighton, GB
Antique Sapphire and Diamond Art Deco Ring 18ct Gold & Platinum Stamped Circa 1920s
Category

Early 20th Century European Art Deco Engagement Rings

Materials

Diamond, Sapphire, Gold, 18k Gold, Platinum

Circa 1920s Platinum 1.00ct Old European Brilliant Diamond Engagement Ring
Located in Hicksville, NY
Circa 1920s Platinum 1.00ct Old European Brilliant Diamond Engagement Ring - VEG#33c Item Details
Category

Vintage 1920s Engagement Rings

Materials

Diamond, Platinum

1920s Antique Old European Cut Diamond Ring in Platinum
Located in New York, NY
1920s Antique Old european cut diamond engagement ring in platinum. The details are as follows
Category

Vintage 1920s American Engagement Rings

Materials

Diamond, Platinum

Circa 1920s Platinum 1.25ct Old European Diamond Engagement Ring
Located in Hicksville, NY
Circa 1920s Platinum 1.25ct Old European Diamond Engagement Ring - VHK#952 Year: 1920s Item
Category

Vintage 1920s Engagement Rings

Materials

Platinum

Diamond And Sapphire 1920s Platinum Ring
Located in Cairo, EG
1920s orginal Art Deco period large ring with an estimate old cut diamond weight of 1.20 carars H
Category

Vintage 1920s Cluster Rings

1920s Diamond Fine Pearl Platinum Pendant and 18 Karat White Gold Chain Necklace
Located in Poitiers, FR
jewelry - French work of the 1920s. Our opinion : The result of transforming an old tie pin, this lovely
Category

Vintage 1920s French Art Deco Pendant Necklaces

Materials

Diamond, White Diamond, Pearl, Natural Pearl, Gold, 18k Gold, White Gold...

Antique Platinum, 1920s Art Deco Pink Tourmaline Diamond Oval Cluster Halo Ring
Located in Brighton, GB
Antique Pink Tourmaline Ring Platinum Tested Circa 1920s This stunning platinum ring features a
Category

Early 20th Century English Art Deco Cluster Rings

Materials

Diamond, Tourmaline, Platinum

Antique 18ct Yellow Gold Platinum, 1920s Peridot and Diamond Three Stone Ring
Located in Brighton, GB
Antique Peridot & Diamond Ring 18ct Gold & Platinum Stamped Circa 1920s This exquisite ring
Category

Early 20th Century European Engagement Rings

Materials

Diamond, Peridot, 18k Gold, Yellow Gold, Platinum

Circa 1920s Platinum GIA 1.25ct Old European Diamond Engagement Ring
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 6 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3.3
Category

Vintage 1920s Engagement Rings

Materials

Diamond, Platinum

Antique Old Cut Diamond and Platinum Hand Carved Cluster Dress Ring, circa 1920s
Located in London, GB
celebration of the 20th Century. The ring features a striking central round brilliant cut diamond nestled
Category

Vintage 1920s European Art Deco Cluster Rings

Materials

Diamond, Platinum

Circa 1920s Platinum Filigree .50ct Old European Diamond Engagement Ring
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 6 (Sizable) Metal Type: Platinum [Hallmarked, and Tested
Category

Vintage 1920s Engagement Rings

Materials

Diamond, Platinum

Circa 1920s GIA .55ct Old European Diamond Platinum Engagement Ring
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 4.5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 2.6
Category

Vintage 1920s Engagement Rings

Materials

Diamond, Platinum

Circa 1920s GIA 1.67ct Old European Diamond Platinum Engagement Ring
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 4.9
Category

Vintage 1920s Engagement Rings

Materials

Diamond, Platinum

Circa 1920s GIA 1.54ct Old European Diamond Platinum Engagement Ring
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 7 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3.7
Category

Vintage 1920s Engagement Rings

Materials

Diamond, Platinum

Circa 1920s GIA 1.46ct Old European Diamond Platinum Engagement Ring
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 6.25 Metal Type: Platinum [Hallmarked, and Tested] Weight
Category

Vintage 1920s Engagement Rings

Materials

Diamond, Platinum

Art Deco 1920s Platinum Diamond Synthetic Sapphire Bracelet
Located in New York, NY
Metal: Platinum Condition: Excellent Year Of Manufacture: Circa 1920s Length: 6.45 inches Gemstone
Category

20th Century Unknown Art Deco Link Bracelets

1920s Art Deco Fine Pearl Diamonds 18 Karat Yellow Gold Platinum Ring
Located in Poitiers, FR
the 1920s. Our opinion: important, this antique pearl diamond ring is nevertheless perfectly balanced
Category

Vintage 1920s French Art Deco Engagement Rings

Materials

Diamond, White Diamond, Pearl, Natural Pearl, Platinum, Gold, 18k Gold, ...

Vintage Platinum 1920s 0.80 Diamond Engagement Ring Set in New Hand Made Mount
Located in Brighton, GB
Vintage Diamond Ring Platinum Stamped Circa 1920’s Looking for a timeless and unique
Category

Early 20th Century European Engagement Rings

Materials

Diamond, Platinum

Art Deco 1920s Platinum Coral and Transitional Cut Diamond Jabot Pin
Located in Staines-Upon-Thames, GB
An Art Deco platinum, coral, and diamond brooch, comprising two marquise shaped coral cabochons
Category

Vintage 1920s Art Deco Brooches

Materials

Coral, Diamond, Platinum

1920s Important Art Deco Natural Pearl Diamond Platinum Clip-On Earrings
Located in Idar-Oberstein, DE
A fine and important pair of Art Deco Natural Saltwater Pearl and Diamond Earclips, ca. 1920s. The
Category

Vintage 1920s French Art Deco Clip-on Earrings

Materials

Diamond, Natural Pearl, Oriental Pearl, Platinum

Circa 1920s Platinum GIA 1.20ct Old European Diamond Engagement Ring
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 5.25 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3.1
Category

Vintage 1920s Engagement Rings

Materials

Diamond, Platinum

Antique 1920s 18ct Gold /Platinum Stamped 3 Stone Emerald Diamond Crossover Ring
Located in Brighton, GB
Antique Emerald & Diamond Crossover Ring 18ct Gold & Platinum Stamped Circa 1920s This
Category

Early 20th Century English Fashion Rings

Materials

Diamond, Emerald, Gold, 18k Gold, Platinum

1920s 14k Yellow Gold and Platinum Filigree Diamond Ring
Located in Lexington, KY
1920s 14k Yellow Gold and Platinum Filigree Diamond Ring - 14k yellow gold and platinum - .40 ct
Category

Vintage 1920s American Contemporary Fashion Rings

Materials

Diamond, 14k Gold, Yellow Gold, Platinum

Antique 18ct Gold Platinum, 1920s Original Art Deco Sapphire and Diamond Ring
Located in Brighton, GB
Sapphire Art Deco Ring 18ct Gold & Platinum Stamped Circa 1920s This is a truly stunning
Category

Early 20th Century European Art Deco Engagement Rings

Materials

Diamond, Sapphire, Gold, 18k Gold, Platinum

Art Deco 1920s Platinum 0.78ctw Diamond Solitaire Ring with Diamond Shoulders
Located in Staines-Upon-Thames, GB
A platinum and diamond ring, comprising one round transitional cut diamond, and six rose cut
Category

Early 20th Century Art Deco Engagement Rings

Materials

Diamond, 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

Diamond, Natural Pearl, Onyx, Platinum

1920s 1.45 Carat Diamond 1.58 Carat Sapphire Platinum Twist Ring
Located in Jesmond, Newcastle Upon Tyne
scarcity. Condition This stunning antique 1920's sapphire and diamond ring is fine quality set with a
Category

Vintage 1920s Unknown Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Antique 18ct Gold Platinum, 1920s Original Art Deco Ruby and Diamond Ring
Located in Brighton, GB
Antique Art Deco Ring 18ct Gold & Platinum Circa 1920s Discover the allure of this exquisite
Category

Early 20th Century European Art Deco Engagement Rings

Materials

Diamond, Ruby, Gold, 18k Gold, Platinum

Antique 1920s French Import 15.80 Carat Diamond and Platinum Bracelet
Located in Jesmond, Newcastle Upon Tyne
A magnificent antique 1920's 15.80 carat diamond and platinum, 18 karat white gold bracelet; part
Category

Vintage 1920s French Link Bracelets

Materials

Diamond, 18k Gold, White Gold, Platinum

Antique, 1920s Round 1.38 Carat Diamond Single Stone Set in New Platinum Mount
Located in Brighton, GB
Antique Diamond Ring Platinum Stamped Circa 1920s Makers Mark CJS This breathtaking
Category

Early 20th Century European Engagement Rings

Materials

Diamond, Platinum

Dramatic Art Deco Platinum and Diamond Lorgnette, circa 1920s
Located in Wailea, HI
Dramatic Art Deco Platinum and Diamond Lorgnette Circa 1920's Twenty Six Old Mine Cut Diamonds
Category

Early 20th Century Unknown Art Deco Vanity Items

Materials

White Diamond, Platinum

Antique 2.05 Carat F Si1 Old Cut Diamond Platinum Engagement Ring, circa 1920s
Located in London, GB
This absolutely stunning 1920's engagement ring is set with a GIA certified old cut diamond graded
Category

Vintage 1920s English Art Deco Engagement Rings

Materials

Diamond, Platinum

1920s Antique 1.53 Carat Diamond and Platinum Twist Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
technology (Niton XL2 Analyzer) and verified as platinum. This 1920s diamond twist ring is supplied with two
Category

Vintage 1920s European Fashion Rings

Materials

Diamond, Platinum

Circa 1920s Art Deco Platinum Ornate Old European Diamond Ring
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 5.5 (Sizable) Metal Type: Platinum [Hallmarked, and Tested
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

1920s Ruby and Diamond Yellow Gold and Platinum Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
Analyzer) and verified as 15 karat gold and platinum. This impressive 1920s ruby and yellow gold ring is
Category

Vintage 1920s Unknown Cocktail Rings

Materials

Diamond, Ruby, Gold, 15k Gold, Yellow Gold, Platinum

Art-Deco Platinum Ring with Old-Cut Diamonds — 1920s Elegance
Located in MONTMORENCY, FR
of the 1910s–1920s period. The elongated octagonal pavé top is set with multiple old-cut diamonds
Category

Early 20th Century French Art Deco Cocktail Rings

Materials

Diamond, Platinum

Circa 1920s Platinum Art Deco Old European Diamond Shield Ring
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 5.75 (Sizable) Metal Type: Platinum [Hallmarked, and Tested
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique Original 1920s Platinum, Art Deco 0.70ct Diamond and Onyx Cocktail Ring
Located in Brighton, GB
Art Deco Onyx Ring Platinum Circa 1920s This stunning art deco cocktail ring features
Category

Early 20th Century European Art Deco Cocktail Rings

Materials

Diamond, Onyx, Platinum

1920s Platinum Art Deco Old European Cut Diamond Pendant and Brooch
Located in Hicksville, NY
Item Details: Metal Type: Platinum [Hallmarked, and Tested] Weight: 12.0 grams Diamond Details
Category

Vintage 1920s Unknown Art Deco Brooches

Materials

Diamond, Platinum

Circa 1920s Art Deco Platinum Diamond Eternity Band (0.70 ct)
Located in MONTMORENCY, FR
: Platinum 950‰ Diamonds: 28 Old European–cut brilliants, total ~0.70 ct Style: Authentic Art Deco eternity
Category

Early 20th Century French Art Deco Band Rings

Materials

Diamond, Platinum

18ct Gold Platinum 1920s Art Deco Diamond and Sapphire Rectangular Plaque Ring
Located in Brighton, GB
Antique Diamond Ring 18ct Gold & Platinum Tested Circa 1920s This exquisite art deco ring
Category

Early 20th Century European Art Deco Engagement Rings

Materials

Diamond, Sapphire, Gold, 18k Gold, Platinum

Antique 18ct Gold Platinum, 1920s Authentic Art Deco Sapphire and Diamond Ring
Located in Brighton, GB
Antique Art Deco Ring 18ct Gold Circa 1920s This exquisite 18ct gold original Art Deco ring
Category

Early 20th Century English Art Deco Engagement Rings

Materials

Diamond, Sapphire, Gold, 18k Gold, Platinum

E. M. Gattle Co. 1920s Art Deco Diamond and Platinum Brooch
Located in New York, NY
An American Art Deco platinum brooch with diamonds by E. M. Gattle & Co. The brooch has 168 old
Category

Vintage 1920s American Art Deco Brooches

Materials

White Diamond, Diamond, Platinum

French 1920s Art Deco Natural Ceylon Sapphire Diamonds Platinum Ring
Located in Poitiers, FR
Ring in platinum ring, dog head hallmark. A sublime Art Deco ring, its platinum setting follows the
Category

Vintage 1920s French Art Deco Engagement Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

Circa 1920s Platinum Antique Marquise Diamond and Emerald Engagement Ring - VEG#
Located in Hicksville, NY
Circa 1920s Platinum Antique Marquise Diamond and Emerald Engagement Ring - VEG#40a Item Details
Category

Vintage 1920s Engagement Rings

Materials

Diamond, Emerald, Platinum

Antique 18ct Gold Platinum 1920s Original Art Deco Ruby Diamond Plaque Ring
Located in Brighton, GB
Antique Art Deco Ring 18ct Gold & Platinum Circa 1920s Introducing a stunning 18ct Gold Art
Category

Early 20th Century European Art Deco Engagement Rings

Materials

Diamond, Ruby, Gold, 18k Gold, Platinum

Circa 1920s Platinum Art Deco Diamond Eternity Band Size 4.5
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 4.5 (Not Sizable) Metal Type: Platinum [Hallmarked, and Tested
Category

Antique Early 19th Century Art Deco Band Rings

Materials

Diamond, Platinum

Art Deco 2 Stone Sapphire Diamond Ring 2.71ct Baguettes Original 1920 s Plat
Located in Dearborn, MI
Genuine Original Art Deco Antique from 1920's Vintage 2 Stone Sapphire Diamond Ring 2.71ct Platinum
Category

Vintage 1920s Art Deco Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Circa 1920s Art Deco Platinum Diamond and Emerald Ring - VEG#47b
Located in Hicksville, NY
Circa 1920s Art Deco Platinum Diamond and Emerald Ring - VEG#47b Item Details: Year: 1920s Ring
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

1920s Art Deco Platinum 1.69ct Old European Brilliant Diamond Engagement Ring
Located in Hicksville, NY
1920s Art Deco Platinum 1.69ct Old European Brilliant Diamond Engagement Ring - VHK#891a Ring Size
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Circa 1920s Platinum 2.03ct Old European Cushion Diamond and Emerald Engagement
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 6.5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 4.7
Category

Vintage 1920s Engagement Rings

Materials

Diamond, Platinum

Antique 18ct Gold Platinum, 1920s Art Deco Diamond Three Stone Trilogy Ring
Located in Brighton, GB
Antique Diamond Ring 18ct Yellow Gold & Platinum Stamped Makers Mark J H Circa 1920s
Category

Early 20th Century European Three-Stone Rings

Materials

Diamond, Gold, 18k Gold, Platinum

Circa 1920s Art Deco Gold Platinum Old European Diamond Ring
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 5.75 (Sizable) Metal Type: 14K Yellow Gold and Platinum Top
Category

Vintage 1920s Art Deco Engagement Rings

Materials

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

18ct Yellow Gold Platinum, 1920s 3 Stone Emerald and Diamond Trilogy Ring
Located in Brighton, GB
Vintage Emerald & Diamond Trilogy Ring 18ct Gold & Platinum Stamped Circa 1920s This stunning
Category

Early 20th Century European Three-Stone Rings

Materials

Diamond, Emerald, 18k Gold, Yellow Gold, Platinum

Art Deco Platinum 20 Carat Asscher Cut Diamond Bracelet, Circa 1920s
Located in Chicago, IL
This exceptional Art Deco platinum diamond bracelet is a rare estate piece dating back to the 1920s
Category

Mid-20th Century British Art Deco Tennis Bracelets

Materials

Diamond, White Diamond, Platinum

Circa 1920s Platinum Art Deco 1.30cttw Diamond Filigree Ring - VEG#19a
Located in Hicksville, NY
Circa 1920s Platinum Art Deco 1.30cttw Diamond Filigree Ring - VEG#19a Item Details: Year: 1920s
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

1920s 1.07 Carat Sapphire and 1.54 Carat Diamond Platinum Cluster Ring
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive antique 1920s 1.07 carat sapphire and 1.54 carat diamond, platinum cluster
Category

Vintage 1920s Unknown Cluster Rings

Materials

Diamond, Sapphire, Platinum

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1920s Platinum Diamond Jewelry For Sale on 1stDibs

Find the exact piece of 1920s platinum diamond jewelry you’re shopping for in the variety available on 1stDibs. Every item for sale was constructed with extraordinary care, often using Platinum, Gold and 18k Gold. Find an antique version now, or shop for 8047 vintage or 4 modern creation for a more contemporary example of these cherished accessories. Making the right choice when shopping for an item from our selection of 1920s platinum diamond jewelry may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 18th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. As it relates to this specific piece, our collection includes designs that are universally popular, but .5 Carat and 1 Carat carat weights, specifically, are sought with frequency. Creating a choice in our collection of 1920s platinum diamond jewelry has been a part of the legacy of many jewelers, but those produced by Cartier, Tiffany Co. and J.E. Caldwell Co. are consistently popular. Today, if you’re looking for an old european cut version of this piece and are unable to find the perfect match, our selection also includes round cut and old mine cut alternatives. When shopping for an object in our assortment of 1920s platinum diamond jewelry, 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 Diamond Jewelry?

The price for a piece of 1920s platinum diamond jewelry starts at $1 and tops out at $850,000 with these rings, on average, selling for $7,500.

The Legacy of Diamond in Jewelry Design

Antique diamond rings, diamond tiaras and dazzling vintage diamond earrings are on the wish lists of every lover of fine jewelry. And diamonds and diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.

From “A Diamond Is Forever” to “Diamonds Are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim diamonds for themselves, but just about everyone wants this kind of sparkle in their lives!

There are several factors that set diamonds apart from other stones, and these points are important to our gem education.

Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath the earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.

In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamond's value decreases if there are many blemishes or inclusions), color (the less color the higher the grade), cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better).

When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty (taking the time to clean your diamond ring at least every six months or so plays a role in maintaining said beauty). And on 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings

Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.  

Questions About 1920s Platinum Diamond Jewelry
  • 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.