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1920s Platinum Diamond Jewelry

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Circa 1920s Platinum GIA .79ct Old European Brilliant Diamond Engagement Ring
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 6.5 (Sizable) Metal Type: Platinum [Hallmarked, and Tested
Category

Vintage 1920s Engagement Rings

Materials

Diamond, Platinum

Circa 1920s GIA 2.04ct Old European Brilliant Diamond Platinum Engagement Ring
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 6 Metal Type: Platinum [Hallmarked, and Tested] Weight: 4.0
Category

Vintage 1920s Engagement Rings

Materials

Diamond, Platinum

Art Deco 8.50ct Diamond Brooch, c.1920s
Located in London, GB
Clarity: VS-SI Metal: Platinum Age: 1920s
Category

Vintage 1920s Unknown Art Deco Brooches

Materials

Diamond, Platinum

Art Deco Platinum Old European Cut Diamond Ring, circa 1920s
Located in Hicksville, NY
Ring Size: 5 (with ring sizing ball, 6 without) Metal Type: Platinum [Hallmarked, and Tested
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

Circa 1920s Platinum GIA 1.21ct Antique Step Cut Diamond Engagement Ring
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 8 (Resizable) Metal Type: Platinum [Hallmarked, and Tested
Category

Vintage 1920s Engagement Rings

Materials

Diamond, Platinum

Estate 1920s Platinum GIA 1.15ct Old European Diamond Engagement Ring - VEG#37b
Located in Hicksville, NY
Estate 1920s Platinum GIA 1.15ct Old European Diamond Engagement Ring - VEG#37b Item Details: Year
Category

Vintage 1920s Engagement Rings

Materials

Diamond, Platinum

Circa 1920s Art Deco Platinum 2.50cttw Antique Marquise French Cut Diamond Pin
Located in Hicksville, NY
Item Details: Metal Type: Platinum [Hallmarked, and Tested] Weight: 7.3grams Diamonds Details
Category

Vintage 1920s Art Deco Brooches

Materials

Diamond, Platinum

Circa 1920s Art Deco Platinum .90ct Old European Diamond Engagement Ring
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 5 (Sizable) Metal Type: Platinum [Hallmarked, and Tested
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique 1920s Art Deco 1.14 Carat Diamond and Platinum Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive antique 1920s Art Deco 1.14 carat diamond and platinum cocktail
Category

Vintage 1920s Unknown Art Deco Cocktail Rings

Materials

Diamond, Platinum

Antique Art Deco 1920s Platinum 1.96tgw Diamond and Sapphire Bracelet
Located in Staines-Upon-Thames, GB
An Art Deco platinum, diamond, and sapphire bracelet, comprising three large old European cut
Category

Vintage 1920s Art Deco Link Bracelets

Materials

Diamond, Sapphire, 18k Gold, Yellow Gold, Platinum

Circa 1920s Platinum GIA 1.12ct Old European Brilliant Diamond Engagement Ring
Located in Hicksville, NY
Item Details: Ring Size: 7.5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 2.5 grams Center
Category

Vintage 1920s Engagement Rings

Materials

Diamond, Platinum

Circa 1920s Platinum Art Deco .50ct total weight Diamond Engagement Ring
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 6 Metal Type: Platinum [Hallmarked, and Tested] Weight: 2.6
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Vintage 1920s 1.25 Carat European Cut Diamond Platinum Filigree Ring
Located in Boston, MA
diamond exhibits a captivating vintage brilliance. The center stone is secured in an elegant low platinum
Category

Vintage 1920s American Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique 1920s Seed Pearl and 1.11 Carat Diamond and Platinum Pendant
Located in Jesmond, Newcastle Upon Tyne
impressive antique diamond and pearl pendant has been crafted in platinum. The antique 1920s pendant has a
Category

Vintage 1920s Dutch Romantic Pendant Necklaces

Materials

Diamond, Pearl, Natural Pearl, Platinum

Art Deco 1920s 18K Gold and Platinum Onyx and Diamond Arrow Brooch
Located in Staines-Upon-Thames, GB
An Art Deco onyx and diamond brooch in gold and platinum, comprising of one teardrop shaped onyx
Category

Vintage 1920s Art Deco Brooches

Materials

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

Art Deco Platinum Ring with Marquise Diamond Sapphire Halo, circa 1920s
Located in Miami, FL
handcrafted in platinum. At its heart lies a mesmerizing marquise-cut diamond weighing approximately 1.40
Category

Early 20th Century American Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

Circa 1920s Platinum 1.00ct Old European Diamond 3 Stone Ring
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 7 (Sizable) Metal Type: Platinum [Hallmarked, and Tested
Category

Vintage 1920s Art Deco Three-Stone Rings

Materials

Diamond, Platinum

1920s Art Deco Platinum .50ct Old European Cut Diamond Engagement Ring
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 6.25 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3.1
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

1920s Platinum Art Deco Antique Step Cut Diamond Engagement Ring - VEG#32
Located in Hicksville, NY
1920s Platinum Art Deco Antique Step Cut Diamond Engagement Ring - VEG#32 Item Details: Year
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Art Deco Platinum Old European Cut Diamond Engagement Ring, Circa 1920s
Located in Chicago, IL
This timeless Art Deco engagement ring showcases a captivating 1.00 carat Old European cut diamond
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

Art Deco 0.75ct Diamond Brooch, c.1920s
Located in London, GB
: VS1 Metal: Platinum Age: 1920s
Category

Vintage 1920s Unknown Art Deco Brooches

Materials

Diamond, Platinum

1920 s 1.50ct Emerald Cut Diamond and Blue Sapphire Ring
Located in New Orleans, LA
transition of color and light that enhances the diamond’s splendor. Set in platinum, the preferred metal of
Category

Vintage 1920s European Art Deco Engagement Rings

Materials

Diamond, Blue Sapphire, Platinum

ART DECO JAPONISME DIAMOND PANEL BROOCH – CIRCA 1920s
Located in Buckingham , Buckinghamshire
ART DECO JAPONISME DIAMOND PANEL BROOCH – CIRCA 1920s Platinum • Approx. 7.90 Carats of Diamonds
Category

Early 20th Century European Art Deco Brooches

Materials

Diamond, Platinum

Platinum Art Deco circa 1920s Tiffany Co Natural Sapphire Diamond Bracelet
By Tiffany Co.
Located in Los Angeles, CA
Platinum Art Deco Circa 1920s Tiffany & Co Natural Sapphire Diamond Bracelet 5mm wide 25.9 gram
Category

Vintage 1920s American Art Deco Tennis Bracelets

Materials

Diamond, Sapphire, Platinum

Antique 1920s Diamond and Yellow Gold Platinum Set Twist Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
platinum setting; part of our diverse antique jewelry and estate jewelry collections. This impressive
Category

Vintage 1920s Engagement Rings

Materials

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

Isadora 1920s Platinum Earrings With Chrome Diopside And Diamonds Art Deco Drop
Located in Greeneville, TN
Step into the glamour of the Roaring Twenties with the Isadora 1920s platinum earrings, a
Category

21st Century and Contemporary American Artisan Stud Earrings

Materials

Diamond, Platinum

Artdeco 1920 s Plainum 18 Kt Gold Diamond Drop Necklace
Located in Antwerp, BE
Platinum & 18 kt white gold necklace with diamonds & emeralds Material: Platinnum & 18 kt white
Category

Early 20th Century European Art Deco Pendant Necklaces

Materials

Diamond, Gold, 18k Gold, Platinum

Circa 1920s Art Deco Platinum 1.75ct Old Mine Diamond and French Cut Sapphire
Located in Hicksville, NY
Item Details: Metal Type: Platinum [Hallmarked, and Tested] Weight: 6.5 grams Diamond Details
Category

Vintage 1920s Art Deco Brooches

Materials

Diamond, Sapphire, Platinum

1920s Old European Cut 1.14ct Diamond Sapphire Ring – Art Deco Platinum
Located in Chicago, IL
This original Art Deco ring, crafted circa 1920s, is a striking example of period design and
Category

Vintage 1920s American Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

Antique 1920s 1.17 Carat European Cut Diamond Platinum Art Deco Ring
Located in Boston, MA
Antique 1920s European Cut Diamond Platinum Art Deco Ring - The center European Cut diamond weighs
Category

Vintage 1920s American Art Deco Engagement Rings

Materials

Diamond, Platinum

Art Deco Fancy Sapphire and Diamond Ring GIA No Heat Sri Lanka Circa 1920 s
Located in Wailea, HI
truly rare gemstone. Surrounding the sapphire are twelve round-cut diamonds, totaling approximately
Category

Early 20th Century Unknown Art Deco Engagement Rings

Materials

Diamond, Sapphire, 14k Gold, Platinum

1920s Art Deco Platinum Diamond Ring with Floral Motif – 0.85 Ct Center
Located in Miami, FL
This exquisite 1920s Art Deco platinum diamond ring captures the essence of the era’s bold elegance
Category

Early 20th Century Art Deco Engagement Rings

Materials

Diamond, Platinum

1920s Platinum 3 Stone Old European Diamond Engagement Ring - VEG#26b
Located in Hicksville, NY
1920s Platinum 3 Stone Old European Diamond Engagement Ring - VEG#26b Item Details: Year: 1920s
Category

Vintage 1920s Three-Stone Rings

Materials

Blue Diamond, Platinum

Art Deco 1920s Platinum 14K Gold 6.5tgw Diamond Sapphire Panel Bracelet
Located in Staines-Upon-Thames, GB
An Art Deco sapphire, diamond, platinum, and white gold bracelet, comprising one old European cut
Category

Vintage 1920s Portuguese Art Deco Link Bracelets

Materials

Diamond, Sapphire, 14k Gold, Platinum

1920s Art Deco Ruby and Old European Cut Diamonds, Platinum
Located in New York, NY
A pair of 1920s Platinum Art Deco earrings with Old European Cut Diamonds with Rubies. The width is
Category

Early 20th Century Art Deco Clip-on Earrings

Materials

Diamond, Ruby, Platinum

French Art Deco 1920s Platinum 2.88tgw Sapphire and Old Cut Diamond Bow Brooch
Located in Staines-Upon-Thames, GB
An Art Deco, sapphire, diamond, and platinum brooch, comprising eight calibre step cut blue
Category

Vintage 1920s French Art Deco Brooches

Materials

Diamond, Sapphire, Platinum

Art Deco Diamond Brooch Clips circa 1920s 7.70 Carat
Located in Wailea, HI
Art Deco Diamond Brooch Clips Circa 1920's 7.70 carats Two Old European Cut Diamonds Weighing
Category

Early 20th Century Unknown Art Deco Brooches

Materials

White Diamond, Platinum

1920s Art Deco Old European Cuts Handmade Filigree 2.00CTW Platinum Diamond Ring
Located in Carmel By The Sea, CA
European cut diamonds in a classic 1920s design. The ring features a high-quality center stone flanked by
Category

21st Century and Contemporary Unknown Art Deco Wedding Rings

Materials

Diamond, Platinum

Art Deco 1920s 18K Gold Platinum 1.3ctw Diamond Bracelet or Brooch
Located in Staines-Upon-Thames, GB
An antique yellow gold, platinum, diamond bracelet / brooch, comprising seventeen old European cut
Category

Early 20th Century Art Deco Link Bracelets

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

Circa 1920s Platinum Art Deco GIA 1.02ct Old European Diamond Engagement Ring
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 7.25 Metal Type: Platinum [Hallmarked, and Tested] Weight: 4.3
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Circa 1920s Platinum Art Deco GIA 1.01ct Old European Brilliant Diamond Engageme
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 6.25 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3.5
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique 1920s Diamond and White Gold with Platinum Set Solitaire Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
as 18k gold and platinum. Condition The 1920s white gold diamond engagement ring is fine quality set
Category

Vintage 1920s Unknown Solitaire Rings

Materials

Diamond, 18k Gold, Platinum, White Gold

Art Deco Diamond Band Mined .15ct Genuine 1920s C.D Peacock Platinum Ring
Located in Dearborn, MI
Genuine Original Antique Art Deco from 1920s Vintage .15ct Diamond Platinum Art Deco Wedding Ring
Category

Vintage 1920s Band Rings

Materials

Diamond, Platinum

Art Deco 1920s Platinum 18K Gold 1.12tgw Sapphire Diamond Drop Necklace
Located in Staines-Upon-Thames, GB
An Art Deco diamond, diamond, sapphire, platinum, white gold pendant necklace, comprising nine
Category

Vintage 1920s Art Deco Pendant Necklaces

Materials

Diamond, Sapphire, 18k Gold, White Gold, Platinum

Circa 1920s Platinum Shield Ring with Old European Cut Diamond and Emeralds
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 7.5 (Sizable) Metal Type: Platinum [Hallmarked, and Tested
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Emerald, Platinum

Art Deco 1920s 18K Yellow Gold Platinum Lozenge Shaped Diamond Ring
Located in Staines-Upon-Thames, GB
An Art Deco diamond, platinum, and yellow gold ring, comprising one old mine cut diamond, and nine
Category

Vintage 1920s British Art Deco Engagement Rings

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

Art Deco Platinum Drop Earrings with Natural Pearls Old Cut Diamonds, c.1920s
Located in Braintree, GB
1920s • Metal: Platinum • Gemstones:  – 32 Old European Cut Diamonds (approx. 1.00 ct total)  – 2
Category

Vintage 1920s French Art Deco Dangle Earrings

Materials

Diamond, Natural Pearl, Platinum

Circa 1920s Art Deco Platinum Old Cut Diamond Band Size 7.5
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 7.5 (Sizable) Metal Type: Platinum [Hallmarked, and Tested
Category

Vintage 1920s Art Deco Band Rings

Materials

Platinum

Art Deco 1920s Platinum 18K Yellow Gold Emerald Diamond Panel Ring
Located in Staines-Upon-Thames, GB
An Art Deco emerald, diamond, platinum and yellow gold ring, comprising one square cut emerald, and
Category

Vintage 1920s Art Deco Cocktail Rings

Materials

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

Certified 1920s Art Deco Platinum 1/6 Carat Diamond American Filigree Ring
Located in Los Angeles, CA
Certified 1920s Artdeco Platinum 1/6 Carat Diamond Sapphire Ring American Filigree Work Finger Size
Category

Vintage 1920s American Art Deco Bridal Rings

Materials

Diamond, Platinum

Art Deco 22.20ct Diamond Bracelet, c.1920s
Located in London, GB
Cut Carat Weight: 22.20 Total Colour: F-G Clarity: VS-SI Metal: Platinum Age: 1920s
Category

Vintage 1920s British Art Deco Retro Bracelets

Materials

Diamond, Platinum

1920s Platinum Old European Cut Diamond Deco Engagement Ring 1 ct+ w/ appraisal
Located in Lexington, KY
This is a stunning, bright white, European cut diamond engagement ring, made in platinum, from the
Category

Vintage 1920s Engagement Rings

Materials

Diamond, Platinum

French Art Deco 2.30ct Diamond Brooch, c.1920s
Located in London, GB
This stunning French diamond brooch showcases the Art Deco style of the 1920s. The centre features
Category

Vintage 1920s European Art Deco Brooches

Materials

Diamond, 18k Gold, Platinum

Art Deco 1920s Platinum 1.27ctw Old European Cut Diamond Rectangular Panel Ring
Located in Staines-Upon-Thames, GB
An Art Deco diamond and platinum ring, comprising one large old European cut diamond, two smaller
Category

Early 20th Century Art Deco Cocktail Rings

Materials

Diamond, Platinum

Art Deco 5.50ct Diamond Earrings, c.1920s
Located in London, GB
These elegant Art Deco diamond cluster earrings are hand crafted in platinum and feature a rub over
Category

Vintage 1920s British Art Deco Stud Earrings

Materials

Diamond, Platinum

French Art Deco 1920s Platinum Ruby and Diamond 5 Row Panel Ring
Located in Staines-Upon-Thames, GB
An Art Deco, ruby, diamond, and platinum ring, comprising eighteen French cut rubies, twenty-one
Category

Early 20th Century Art Deco Engagement Rings

Materials

Diamond, Ruby, Platinum

Art Deco 7.00ct Diamond Bracelet, c.1920s
Located in London, GB
This exquisite Art Deco diamond bracelet is a masterpiece of 1920s craftsmanship. At its heart lies
Category

Vintage 1920s British Art Deco Tennis Bracelets

Materials

Diamond, 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.