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1920s Platinum Diamond Jewelry

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Vintage Sapphire Diamond Engagement Ring .82ct Platinum Deco Original 1920s
Located in Dearborn, MI
Genuine Original Antique Art Deco from 1920's-1930's Vintage Sapphire Diamond Engagement Ring .82ct
Category

Vintage 1930s Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

1920s White Opal Diamonds 18 Karat Yellow Gold Platinum Ring
Located in Poitiers, FR
Ring in 18 karat yellow gold and platinum. This elegant Art Deco opal ring is set with rose-cut
Category

Vintage 1910s French Belle Époque Cluster Rings

Materials

Diamond, White Diamond, Opal, Gold, 18k Gold, Yellow Gold, Platinum

Antique 1.15 Carat Old Cut Diamond Platinum Engagement Ring, circa 1920s
Located in London, GB
an eight claw, open back platinum mount. The shoulders are set with three old European cut diamonds
Category

Vintage 1920s English Edwardian Engagement Rings

Materials

Diamond, Platinum

1.78 Carat 1920s Art Deco Filigree Diamond Platinum Ring Engagement
Located in Wallkill, NY
Handcrafted beautiful Filigree Diamond ring set in Platinum, The Main diamond is VVS-2 Color H
Category

Vintage 1920s American Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique Yellow Gold Platinum Three Diamond Ring, Circa 1920s
Located in Palm Desert, CA
18 Karat Yellow Gold Platinum Three Diamond Antique Ring. Simple and elegant handmade three diamond
Category

Vintage 1920s Italian Art Deco Three-Stone Rings

Materials

Diamond, White Gold, Yellow Gold, 18k Gold, Platinum

Patek Philippe Tiffany Co. Platinum Diamond Art Deco Manual Wristwatch, 1920s
By Patek Philippe
Located in Water Mill, NY
Unique 1920's Patek Philippe Platinum 4.00 cts Diamond Art Deco Wristwatch Retailed by Tiffany with
Category

Early 20th Century Swiss Art Deco Wrist Watches

Materials

Diamond, Platinum

Art Deco 1.45ctw Three Stone Diamond Filigree Ring in Platinum Circa 1920 s
Located in Boston, MA
An original Art Deco period diamond three stone ring in platinum. Boasting beautiful hand
Category

Vintage 1920s Art Deco Three-Stone Rings

Materials

Diamond, Platinum

Tiffany Co. Ruby and Diamond Platinum Bracelet, Art Deco, 1920s
By Tiffany Co.
Located in Roma, RM
An elegant Art Deco bracelet by Tiffany & Co., dating to the 1920s, finely crafted in platinum and
Category

Vintage 1920s American Art Deco Tennis Bracelets

Materials

Diamond, Ruby

1920s 1.46 Carat Diamond and Platinum Twist Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
our diverse diamond estate jewelry collections. This fine and impressive 1920s diamond ring has been
Category

Vintage 1920s Unknown Engagement Rings

Materials

Diamond, Platinum

Antique 18ct Gold Platinum, 1920s Art Deco Diamond Bombe Ring
Located in Brighton, GB
Antique Diamond Bombe Ring 18ct Gold & Platinum Tested Circa 1920s There are rubbed foreign
Category

Early 20th Century European Art Deco Engagement Rings

Materials

Diamond, Gold, 18k Gold, Platinum

Antique 1920s, Art Deco Fancy Diamond Platinum Wedding Band, Eternity Ring
Located in Brighton, GB
Antique Platinum Band Circa 1920s Behold a magnificent Art Deco masterpiece from the 1920s! This
Category

Early 20th Century European Band Rings

Materials

Diamond, Platinum

1.25 Carat Transitional Cut Diamond and Platinum Engagement Ring, circa 1920s
Located in London, GB
total), and finished with a rectangular platinum edge which gives the piece that iconic 1920s look. We
Category

Vintage 1920s English Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique 1920s Platinum Diamond Engagement Ring .74 Carat
Located in Boston, MA
Antique 1920s Platinum Diamond Engagement Ring - The center old European Cut diamond weighs .74ct
Category

Vintage 1920s American Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique 1920s French Platinum Diamond Snowflake Pendant Necklace Star Y Necklace
Located in Brighton, GB
Antique Diamond Necklace Platinum French Stamped Circa 1920s Step back in time with this
Category

Early 20th Century English Art Deco Pendant Necklaces

Materials

Diamond, Platinum

Art Déco Ring With Old European Cut Diamonds Circa 1920 s
Located in Firenze, IT
Art Déco ring with old cut diamonds , yellow gold, platinum. Marquise-shaped, milgrain-set, with
Category

Vintage 1920s Italian Art Deco Engagement Rings

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

Platinum, 1920s Diamond Daisy Changeable Stud Earrings with Alpha Back Fittings
Located in Brighton, GB
Antique Diamond Studs Platinum Tested Circa 1920s Discover a truly unique pair of 1920s diamond
Category

Early 20th Century European Stud Earrings

Materials

Diamond, Platinum

1920s Antique 4.70 Carat Diamond and Platinum Drop Earrings
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive pair of antique 4.70 carat diamond and platinum drop earrings; part
Category

Vintage 1920s Unknown Drop Earrings

Materials

Diamond, Platinum

Antique 1920s Platinum French Stamped, 1.40 Carat Diamond Full Eternity Ring
Located in Brighton, GB
Antique Eternity Ring Platinum French Stamped Circa 1920s This stunning platinum eternity ring
Category

Early 20th Century French Band Rings

Materials

Diamond, Platinum

Circa 1920s Art Deco Platinum Natural Old Cut Diamond And Pearl Bracelet
Located in Fatih/İstanbul, 34
In very good condition. Total weight is 15.6 grams. Totally is old cut diamond 2.50 ct. Total is
Category

Vintage 1920s European Art Deco Tennis Bracelets

Materials

Diamond, Pearl, Platinum

Antique 1920s Platinum French Stamped, 1.20 Carat Full Diamond Eternity Ring
Located in Brighton, GB
Antique Eternity Ring Platinum French Stamped Circa 1920s This stunning platinum eternity ring
Category

Early 20th Century French Band Rings

Materials

Diamond, Platinum

French 1920s Diamonds 18 Karat Yellow Gold Platinum Bar Brooch
Located in Poitiers, FR
Brooch in 18 karat yellow gold, eagle head hallmark and platinum. Made in the 1920s, this elegant
Category

Vintage 1920s French Art Deco Brooches

Materials

Diamond, White Diamond, Gold, 18k Gold, Yellow Gold, Platinum

1920s Ruby Diamonds 18 Karat Yellow Gold Platinum Shuttle Shape Ring
Located in Poitiers, FR
and decorated in the center on platinum, of rose- cut diamonds surrounded by synthesis calibrated
Category

Vintage 1920s French Belle Époque Engagement Rings

Materials

Diamond, White Diamond, Ruby, Gold, 18k Gold, Yellow Gold, Platinum

Antique Platinum, 1920s Art Deco Three Stone Oval Shaped Diamond Ring
Located in Brighton, GB
Antique Oval Diamond Ring Platinum Tested Circa 1920s Step back into the elegance of the 1920s
Category

Early 20th Century European Art Deco Engagement Rings

Materials

Diamond, Platinum

French 1920s Art Deco Diamond 18 Karat White Gold Platinum Ring
Located in Poitiers, FR
Ring in 18 karat white gold, eagle head hallmark, and platinum, dog head hallmark. Following
Category

Vintage 1920s French Art Deco Engagement Rings

Materials

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

2.40 Carat Old Cut Diamond Solitaire Platinum Engagement Ring, circa 1920s
Located in London, GB
cut diamond neatly set at its centre in a six claw, open back platinum collet. Delicate swirls add
Category

Vintage 1920s English Art Deco Engagement Rings

Materials

Diamond, Platinum

1920s 0.75 Carat Diamond Set in New Custom Platinum Mount with Diamond Shoulders
Located in Brighton, GB
Antique Diamond Ring Platinum Stamped Circa 1920s This stunning engagement ring features a
Category

Early 20th Century English Engagement Rings

Materials

Diamond, Platinum

Circa 1920s Platinum .70ct Old European Diamond Engagement Ring
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 5.5 (Sizable) Metal Type: Platinum [Hallmarked, and Tested
Category

Vintage 1920s Engagement Rings

Materials

Diamond, Platinum

1920s Art Deco 1.50 Carat Diamond Ladies Platinum Watch
Located in New York, NY
A truly enchanting antique timepiece, this delicate manual platinum watch captures timeless romance
Category

Vintage 1920s Unknown Art Deco Wrist Watches

Materials

Diamond, Platinum

Patek Philippe for Shreve Crump Low Platinum Diamond 1920s Ladies Wrist Watch
By Patek Philippe
Located in Chicago, IL
. Platinum case set with Old cut Diamonds. Hand Engraved design work on the case sides and case back. 18
Category

Vintage 1920s Swiss Art Deco Wrist Watches

Materials

Diamond, Platinum

Tiffany Company 1920s Art Deco Platinum and Diamond C.H. Meylan Wrist Watch
By Tiffany Co.
Located in Chicago, IL
Circa 1920s Tiffany & Company retailed Art Deco Ladies Wrist Watch, 35 x 12 M.M. Platinum 2 piece
Category

Vintage 1920s Swiss Art Deco Wrist Watches

Materials

Diamond, Platinum

Circa 1920s Platinum .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

1920s 1.24 Carat Diamond and Platinum Solitaire Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
example of 1920s jewellery. Diamond Quality Feature Diamond Colour J Clarity SI1 Cut Old European round
Category

20th Century Unknown Solitaire Rings

Materials

Diamond, Platinum

Antique 1920s Diamonds 0.95ct Total Set in New Platinum Engagement Ring Mount
Located in Brighton, GB
Antique Diamond Ring Platinum Hallmarked Circa 1920’s Fabulous antique diamond ring. The
Category

Early 20th Century European Engagement Rings

Materials

Diamond, Platinum

1920s, Antique French 3.46 Carat Diamond and Natural Pearl Platinum Brooch
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive antique French 3.46 carat diamond and natural pearl, platinum brooch; part of
Category

Vintage 1920s Unknown Brooches

Materials

Diamond, Natural Pearl, Platinum

1920s Antique French Diamond and Platinum Solitaire Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
An impressive antique French 0.74 carat diamond and platinum solitaire style engagement ring; part
Category

Vintage 1920s French Engagement Rings

Materials

Diamond, Platinum

1920s 0.96 Carat Diamond and Platinum Five Stone Ring
Located in Jesmond, Newcastle Upon Tyne
jewellery/estate jewelry. Diamond Quality Feature Diamond Colour F Clarity P1 Cut Old European Content 0.26
Category

20th Century Unknown Wedding Rings

Materials

Diamond, Platinum

Art Deco Marquise and Round Old Cut Diamond Platinum Bracelet, circa 1920s
Located in London, GB
marquise diamonds and sixty eight round old cut diamonds. The mount has been tested platinum with its clasp
Category

Vintage 1920s English Art Deco Retro Bracelets

Materials

Diamond, Platinum

Art Deco Burmese Ruby and Diamond Ring in Platinum, circa 1920s
Located in Beverly Hills, CA
This dazzling Art Deco ring from the 1920s is an unrivaled masterpiece, meticulously crafted in
Category

20th Century Art Deco Cocktail Rings

Materials

Ruby, Diamond, Platinum

Circa 1920s Platinum Diamond Swirl Ring Band Size 5
Located in Hicksville, NY
Item Details: Year: 1970s Ring Size: 5 (Sizable) Metal Type: Platinum [Hallmarked, and Tested
Category

Vintage 1920s Band Rings

Materials

Diamond, Platinum

Antique 18ct Gold Platinum, 1920s Three Stone Crossover Diamond Ring
Located in Brighton, GB
Antique Diamond Ring 18ct Yellow Gold & Platinum Circa 1920s Makers Mark H G This exquisite
Category

Early 20th Century European Three-Stone Rings

Materials

Diamond, Gold, 18k Gold, Platinum

Tiffany Company 1920s Ladies Platinum and Diamond Wrist Watch
By Tiffany Co.
Located in Chicago, IL
Circa 1920s Tiffany & Company retailed Platinum and Diamond Ladies Wrist Watch, 18 x 18 M.M
Category

Vintage 1920s Swiss Edwardian Wrist Watches

Materials

Diamond, Platinum

1920s Art Deco Sapphire Old European Diamond Ring in Yellow Gold Platinum
Located in Santa Monica, CA
A late Art Deco unisex ring, circa 1920, from our antique fine jewelry collection at Bracken
Category

Vintage 1920s Unknown Art Deco Band Rings

Materials

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

Antique 18ct Gold Platinum, 1920s Diamond Dormeuse Setting Drop Dangle Earring
Located in Brighton, GB
Antique Diamond Earrings 18ct Yellow Gold & Platinum Tested Circa 1920s These stunning drop
Category

Early 20th Century European Drop Earrings

Materials

Diamond, Gold, 18k Gold, Platinum

Art Déco Ladies’ Watch in Platinum with Diamonds – 1920s/30s
Located in Milano, MI
collectible vintage timepiece. Main Features: Period: Art Déco (1920s/30s) Material: Platinum hallmarked
Category

Early 20th Century Wrist Watches

Materials

Diamond, Platinum

1920s Platinum Art Deco Sapphire Diamond Engraved Engagement Ring
Located in Lexington, KY
This beautiful ring from the 1920s Art Deco period is made in platinum with both natural sapphire
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

Art Deco Platinum Pearl Diamond Ring, Circa 1920s–1930s
Located in MONTMORENCY, FR
the cool platinum and the warm glow of the pearl. Perfect for collectors of period jewelry or as a
Category

Vintage 1930s French Art Deco Fashion Rings

Materials

Diamond, Pearl, Platinum

18ct White Gold Platinum 1920s Amethyst Diamond Rectangular Cluster Halo Ring
Located in Brighton, GB
Antique Amethyst Ring 18ct White Gold & Platinum Tested Circa 1920s This stunning antique ring
Category

Early 20th Century European Cluster Rings

Materials

Amethyst, Diamond, 18k Gold, White Gold, Platinum

18ct White Gold Platinum 1920s Amethyst and Diamond Rectangular Cluster Ring
Located in Brighton, GB
Antique Amethyst Ring 18ct White Gold & Platinum Tested Circa 1920s Behold this exquisite 18ct
Category

Early 20th Century English Cluster Rings

Materials

Amethyst, Diamond, 18k Gold, White Gold, Platinum

Circa 1920s Platinum 1.73ct Antique Pear Diamond Engagement Ring
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 6.75 Metal Type: Platinum [Hallmarked, and Tested] Weight: 4.0
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

1920s GIA Cert 1.28 Carat Diamond Platinum Engagement Ring
Located in New York, NY
This stunning platinum ring from the 1920s, is centered with a sparkling GIA certified round
Category

Early 20th Century Art Deco Engagement Rings

Materials

Diamond, Platinum

French 1920s Art Deco Rubies Diamonds 18 Karat Yellow Gold Platinum Ring
Located in Poitiers, FR
Ring in 18 karat yellow gold, eagle's head and owl hallmarks and platinum, dog's head hallmark. An
Category

Vintage 1920s French Art Deco Engagement Rings

Materials

Ruby, Diamond, White Diamond, Gold, 18k Gold, Yellow Gold, Platinum

Antique Art Deco 1920 s Diamond and Emerald Bracelet
Located in New York, NY
Finely crafted in platinum with Marquise and Old European-cut Diamonds weighing a total of
Category

Vintage 1920s Art Deco Link Bracelets

Materials

Diamond, Emerald, Platinum

1920s Art Deco Fine Pearl Diamonds Platinum Round Ring
Located in Poitiers, FR
Ring in platinum. Charming antique platinum ring, its round setting is openwork with geometric
Category

Vintage 1920s French Art Deco Engagement Rings

Materials

Diamond, White Diamond, Pearl, Natural Pearl, Platinum

Art Deco 1920s Platinum Black Opal and Diamond Ring
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 10 (Sizable) Metal Type: Platinum [Hallmarked, and Tested
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Black Opal, Platinum

Antique 18ct Gold Platinum Stamped, 1920s Single Stone Diamond Engagement Ring
Located in Brighton, GB
Antique Engagement Ring 18ct Gold & Platinum Stamped Circa 1920s This beautiful engagement ring
Category

Early 20th Century European Engagement Rings

Materials

Diamond, Gold, 18k Gold, Platinum

Vintage platinum, 1920s Aquamarine Diamond Pendant Necklace
Located in Brighton, GB
Vintage Aquamarine Platinum Necklace Circa 1920s Step back in time with this exquisite Vintage
Category

Mid-20th Century European Pendant Necklaces

Materials

Aquamarine, Diamond, 18k Gold, 9k Gold, White Gold

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

Early 20th Century English Art Deco Engagement Rings

Materials

Diamond, Sapphire, Gold, 18k Gold, 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.