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1920s Platinum Diamond Jewelry

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Art Deco 1.00ct Diamond Two Stone Twist Ring, c.1920s
Located in London, GB
platinum collets the central diamonds are then enveloped by an elegantly twisting band of the same metal
Category

Vintage 1920s British Art Deco Engagement Rings

Materials

Diamond, Platinum

Circa 1920s Unheated Pink Sapphire and Diamond Art Deco Ring
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3.4
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Pink Sapphire, Platinum

Art Deco 3.00ct Full Eternity Ring, c.1920s
Located in London, GB
: Diamond Stone Shape: Old Cut Carat Weight: 3.00 Total Colour: G-H Clarity: VS2 Metal: Platinum Age: 1920s
Category

Vintage 1920s Unknown Art Deco Wedding Rings

Materials

Diamond, Platinum

Art Deco Asscher Cut Sapphire Diamond Ring circa 1920s
Located in London, GB
cut diamonds at the heart of this circa 1920s halo ring. These antique jewels are hand-set in
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

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

Antique Art Deco 1920s 20.00 Carat Old European Cut Diamond Bracelet
Located in New York, NY
Finely crafted in platinum with Old European cut Diamonds weighing a total of approximately 20.00
Category

Vintage 1920s Art Deco Link Bracelets

Materials

Diamond, Platinum

Art Deco 5.28 Carat Diamond Solitaire Engagement Ring c.1920s
Located in London, GB
european cut diamond within its original handmade platinum setting. The diamond is certified to an
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique Art Deco 1920s 20.00 Carat Burma Sapphire Bracelet with Diamonds
Located in New York, NY
Finely crafted in platinum with 5 AGL certified Cushion cut, Burma origin, Non-heat treated
Category

Vintage 1920s Art Deco Link Bracelets

Materials

Diamond, Sapphire, Platinum

Antique Art Deco gold ring with old-cut diamonds, 1920s.
Located in Chorzów, PL
purchase is accompanied by a jewelry certificate from a diamond appraiser
Category

Vintage 1920s Spanish Art Deco Cocktail Rings

Materials

Diamond, Gold, Platinum

Circa 1920s Art Deco .85ct Old European Brilliant Diamond Engagement Ring
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 8.75 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3.1
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Art Deco 2.40ct Diamond and Sapphire Cocktail Ring, circa 1920s
Located in London, GB
– H Clarity: VS Metal: Platinum Age: 1920s, Art Deco Size: P
Category

Vintage 1920s Unknown Art Deco Cluster Rings

Materials

Diamond, Sapphire, Platinum

Antique Art Deco 1920s 1.50 Carat Old European Cut Diamond Dinner Ring
Located in New York, NY
Finely crafted in platinum with an Old European cut center Diamond weighing approximately 1.50
Category

Vintage 1920s Art Deco Cocktail Rings

Materials

Diamond, Platinum

Antique Art Deco 1920s 0.52 Carat Emerald Cut Diamond Ring with Rubies
Located in New York, NY
Finely crafted in platinum with an Emerald cut Diamond weighing 0.52 carat and accenting Rubies
Category

Vintage 1920s Art Deco Cocktail Rings

Materials

Diamond, Ruby, Platinum

Antique Art Deco 1920s 1.00 Carat Old European Cut Diamond Engagement Ring
Located in New York, NY
Finely crafted in platinum with an Old European cut Diamond at the center weighing approximately
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique Art Deco 1920s Carved Black Onyx and Coral Ring with Diamonds
Located in New York, NY
Finely crafted in platinum with carved Black Onyx, Red Coral and Diamonds weighing a total of
Category

Vintage 1920s Art Deco Cocktail Rings

Materials

Coral, Diamond, Onyx, Platinum

Antique Art Deco 1920s 1.38 Carat Old European Cut Diamond Engagement Ring
Located in New York, NY
Finely crafted in platinum with an Old European cut Diamond weighing approximately 1.38 carat, I
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique Art Deco 1920s 1.51 Carat Old European Cut Diamond Engagement Ring
Located in New York, NY
Finely crafted in platinum with a GIA certified Old European cut Diamond at the center, weighing
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique Art Deco 1920s 12.00 Carat Diamond and 3.00 Carat Sapphire Line Bracelet
Located in New York, NY
Finely crafted in platinum with 7 Old European cut Diamonds weighing approximately a total of 5.00
Category

Vintage 1920s Link Bracelets

Materials

Diamond, Sapphire, Platinum

Antique Art Deco 1920s 0.80 Carat Old Mine Cut Diamond Engagement Ring
Located in New York, NY
Finely crafted in platinum with an Old Mine cut Diamond at the center weighing approximately 0.80
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

1920s Art Deco GIA 1.04ct Old European Diamond and Emerald Engagement Ring -
Located in Hicksville, NY
1920s Art Deco GIA 1.04ct Old European Diamond and Emerald Engagement Ring - VEG#22b Item Details
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Circa 1920s Art Deco Emerald and Old European Diamond Engagement Ring
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 5.25 Metal Type: Platinum [Hallmarked, and Tested] Weight: 4.4
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Emerald, Platinum

Antique 1920s Art Deco 1.40 Carat Old European Diamond Sapphire Engagement Ring
Located in Santa Monica, CA
Extraordinary 1920s Art Deco engagement ring from the antique fine jewelry collection at Bracken
Category

Vintage 1920s American Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

Antique Art Deco 1920s 4.90 Carat Old European Cut Diamond Dangle Earrings
Located in New York, NY
Finely crafted in platinum and 18k yellow gold with 2 Old European cut bottom Diamonds weighing
Category

Vintage 1920s Art Deco Dangle Earrings

Materials

Diamond, 18k Gold, Platinum

Art Deco 1920s GIA 2.70ct Old European Diamond and Sapphire Engagement Ring
Located in Hicksville, NY
Art Deco 1920s GIA 2.70ct Old European Diamond and Sapphire Engagement Ring - VEG#7b Item Details
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

Antique Art Deco 1920s 2.00 Carat Old European Cut Diamond Engagement Ring
Located in New York, NY
Finely crafted in platinum with an Old European cut Diamond weighing approximately 2.00 carats. The
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

Antique Art Deco 1920s 2.50 Carat Old Mine Cut Diamond Dinner Ring
Located in New York, NY
Finely crafted in platinum with an Old Mine cut center Diamond weighing approximately 2.50 carat, O
Category

Vintage 1920s Art Deco Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Antique Art Deco 1920s 1.07 Carat Old European Cut Diamond Engagement Ring
Located in New York, NY
Finely crafted in platinum with an Old European cut Diamond at the center weighing approximately
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique Art Deco 1920s 1.28 Carat Old European Cut Diamond Engagement Ring
Located in New York, NY
Finely crafted in platinum with an Old European cut Diamond weighing approximately 1.28 carats, F-G
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique Art Deco 1920s 1.50 Carat Old European Cut Diamond Engagement Ring
Located in New York, NY
Finely crafted in platinum with an Old European cut Diamond weighing approximately 1.50 carats, H
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique Art Deco 1920s 1.29 Carat Old European Cut Diamond Engagement Ring
Located in New York, NY
Finely crafted in platinum with an Old European cut center Diamond weighing approximately 1.29
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique Art Deco 1920s 1.01 Carat Old European Cut Diamond Engagement Ring
Located in New York, NY
Finely crafted in platinum with an Old European cut Diamond weighing approximately 1.01 carat, M-N
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique Art Deco 1920s 1.75 Carat Old Mine Cut Diamond Engagement Ring
Located in New York, NY
Finely crafted in platinum with an Old Mine cut Diamond at the center weighing approximately 1.75
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Art Deco 2.97ct Rubellite Solitaire Ring, c.1920s
Located in London, GB
platinum claw setting, the diamond is accompanied by a further 0.28 carat in eight cut diamonds sat down
Category

Vintage 1920s British Art Deco Solitaire Rings

Materials

Diamond, Rubelite, Tourmaline, Platinum

Antique Art Deco 1920s 1.60 Carat Old European Cut Diamond Engagement Ring
Located in New York, NY
Finely crafted in platinum with an Old European cut Diamond at the center weighing approximately
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique Art Deco 1920s 1.00 Carat Old European Cut Diamond Engagement Ring
Located in New York, NY
Finely crafted in platinum with an Old European cut Diamond weighing approximately 1.00 carat, K
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique Art Deco 1920s 1.45 Carat Old European Cut Diamond Engagement Ring
Located in New York, NY
Finely crafted in platinum with an Old European cut Diamond weighing approximately 1.45 carat, I
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique Art Deco 1920s 0.80 Carat Old European Cut Diamond Engagement Ring
Located in New York, NY
Finely crafted in platinum with an Old European cut Diamond weighing approximately 0.80 carat, G
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique Art Deco 1920s Tiffany Co. 1.00 Carat Old European Cut Diamond Ring
By Tiffany Co.
Located in New York, NY
Finely crafted in platinum with a Old European cut Diamond center stone weighing approximately 1.00
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique Art Deco 1920s 1.87 Carat Old European Cut Diamond Engagement Ring
Located in New York, NY
Finely crafted in platinum with a GIA certified Old European cut Diamond at the center weighing
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique Art Deco 1920s 2.20 Carat Old Mine Cut Diamond Engagement Ring
Located in New York, NY
Finely crafted in platinum with an Old Mine cut Diamond weighing approximately 2.20 carats, H color
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique Art Deco 1920s 1.20 Carat Old European Cut Diamond Engagement Ring
Located in New York, NY
Finely crafted in platinum with an Old European cut Diamond weighing approximately 1.20 carats, F-G
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

Antique Art Deco 1920s 7.12 Carat Old European Cut Diamond Engagement Ring
Located in New York, NY
Finely crafted in platinum with a GIA certified Old European cut Diamond weighing 7.12 carats, J
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique Art Deco 1920s 2.15 Carat Old European Cut Diamond Engagement Ring
Located in New York, NY
Finely crafted in platinum with a GIA certified Old European cut Diamond weighing 2.15 carats, F
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique Art Deco 1920s 1.20 Carat Asscher Cut Diamond Square Ring with Emeralds
Located in New York, NY
Finely crafted in platinum and 18k yellow gold with an Asscher cut Diamond, accenting Emeralds, and
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Emerald, 18k Gold, Platinum

Antique Art Deco 1920s 6.00 Carat Star Ruby and Diamond Halo Ring
Located in New York, NY
by a halo of Old European cut Diamonds weighing a total of approximately 2.00 carats. Circa 1920s
Category

Vintage 1920s Art Deco Cocktail Rings

Materials

Diamond, Star Ruby, Platinum

Antique Art Deco 1920s 2.65 Carat Old European Cut Diamond Engagement Ring
Located in New York, NY
Finely crafted in platinum with an Old European cut Diamond at the center weighing approximately
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

Antique Art Deco 1920s 1.32 Carat Old European Cut Diamond Engagement Ring
Located in New York, NY
Finely crafted in platinum with a GIA certified Old European cut center Diamond weighing 1.32
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique Art Deco 1920s 2.50 Carat Diamond Flower Earrings with Rubies
Located in New York, NY
Finely crafted in platinum with Old European cut Diamonds weighing approximately a total of 2.50
Category

Vintage 1920s Art Deco Clip-on Earrings

Materials

Diamond, Ruby, Platinum

1.16 Total Carat Old European Round Cut 1920s Art Deco Filigree Engagement Ring
Located in Santa Monica, CA
1920s Art Deco platinum ring from the antique fine jewelry collection at Bracken Jewelers in Los
Category

Vintage 1920s American Art Deco Engagement Rings

Materials

Diamond, Platinum

Original Antique Art Deco Diamond Five Stone and Calibre Sapphire Ring, 1920s
Located in OVIEDO, AS
Original Antique Art-Deco Diamond Five Stone and Calibre Sapphire Ring 1920s Mounted and tested in
Category

Vintage 1920s European Art Deco Band Rings

Materials

Diamond, Sapphire, Platinum

Circa 1920s Old European 3 Stone Diamond and Emerald Engagement Ring
Located in Hicksville, NY
: 1920s Ring Size: 5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3.2 grams Center Diamond
Category

Vintage 1920s Classical Roman Three-Stone Rings

Materials

Diamond, Emerald, Platinum

1920s Art Deco Engagement Ring, Old European Cut Diamond (Approx. 1.40-Carats)
Located in New York, NY
, Circa 1920 Primary Stone: Diamond Primary Stone Carat: Approx. 1.40-Carats Primary Stone Cut: Old
Category

21st Century and Contemporary Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

Antique Art Deco 1920s 1.60 Carat Old Mine Cut Diamond Octagonal Ring with Onyx
Located in New York, NY
Finely crafted in platinum with an Old Mine cut Diamond weighing approximately 1.60 carat, J color
Category

Vintage 1920s Art Deco Cocktail Rings

Materials

Diamond, Onyx, Platinum

0.98 Total Carat Old Mine and Round Cut 1920s Art Deco Filigree Engagement Ring
Located in Santa Monica, CA
Exquisite 1920s Art Deco platinum engagement ring from the antique fine jewelry collection at
Category

Vintage 1920s American Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique Art Deco 1920s 1.50 Carat Old Mine Cut Diamond Target Ring with Emeralds
Located in New York, NY
Finely crafted in platinum featuring a center Old Mine cut Diamond weighing approximately 1.50
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Emerald, Platinum

Art Deco 3.00ct Three Stone Ring, c.1920s
Located in London, GB
platinum split claws which match the rest of the timeless setting work. Gemstone: Diamond Stone Shape: Old
Category

Vintage 1920s Unknown Art Deco Three-Stone Rings

Materials

Diamond, Platinum

Art Deco 1.70ct Three Stone Ring, c.1920s
Located in London, GB
Carat Weight: 1.70 Colour: G Clarity: VS-SI Metal: Platinum Age: 1920s Size: M 1/2
Category

Vintage 1920s Unknown Art Deco Three-Stone Rings

Materials

Diamond, Platinum

Antique Art Deco 1920s 6.50 Carat Sugarloaf Emerald Ring
Located in New York, NY
accenting Diamonds on the setting. Circa 1920s Size 5, resizable
Category

Vintage 1920s Cocktail Rings

Materials

Diamond, Emerald, 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.