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1920s Platinum Diamond Jewelry

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Art Deco 0.70ct Sapphire and Diamond Cluster Ring, c.1920s
Located in London, GB
A lovely Art Deco sapphire and diamond cluster ring which dates back to the 1920s. The central
Category

Vintage 1920s Art Deco Cluster Rings

Materials

Diamond, Sapphire, Platinum

Art Deco 3.85ct Diamond Three Stone Ring, c.1920s
Located in London, GB
Weight: 3.85 Total Colour: G-H Clarity: VS1-2 Metal: Platinum Age: 1920s Size: N 1/2
Category

Vintage 1920s British Art Deco Three-Stone Rings

Materials

Diamond, Platinum

Art Deco 1.10ct Pear-Shaped Diamond Solitaire Ring, circa 1920s
Located in London, GB
beautiful platinum mount with delicate hand carved hearts in the diamond collet. The centre stone has a
Category

Vintage 1920s British Edwardian Solitaire Rings

Materials

Diamond, Platinum

Art Deco 1.40ct Opal and Diamond Halo Ring, c.1920s
Located in London, GB
. Gemstone: Opal Stone Shape: Cabochon Carat Weight: 1.40 Metal: Platinum Age: 1920s Size: O 1/2
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, Opal, Platinum

Art Deco 1.30ct Diamond Trilogy Ring, c.1920s
Located in London, GB
have been double claw set into an exquisite ring, hand crafted in platinum. Gemstone: Diamond Stone
Category

Vintage 1920s British Art Deco Three-Stone Rings

Materials

Diamond, Platinum, 18k Gold, White Gold

Art Deco 0.45 Carat Diamond Solitaire Engagement Ring, circa 1920s
Located in London, GB
diamond is F colour and VS2 clarity. It is claw set in the patterned platinum shoulders. The band is made
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, 18k Gold, Platinum

Platinum Art Deco 1920s Three Stone Ring with Sapphire Accents
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 8.25 (Sizable) Metal Type: Platinum [Hallmarked, and Tested
Category

Vintage 1920s Art Deco Three-Stone Rings

Materials

Diamond, Sapphire, Platinum

Antique Art Deco 1920s 9.20 Carat Diamond Double Clip Brooch
Located in New York, NY
Finely crafted in platinum with Old European, Single, and Baguette cut Diamonds weighing
Category

Vintage 1920s Art Deco Brooches

Materials

Diamond, Platinum

Art Deco 19.00 Carat Sapphire Diamond Brooch, c.1920s
Located in London, GB
infinity motifs, which was handmade during the 1920s in mille-grain detailed platinum with a secure bar and
Category

Vintage 1920s Unknown Art Deco Brooches

Materials

Diamond, Sapphire, Platinum

Art Deco 0.55 Carat Diamond Three-Stone Ring, circa 1920s
Located in London, GB
: Diamond Stone Shape: Old Cut Carat Weight: 0.55 Colour: H Clarity: SI Metal: 18ct Yellow Gold, Platinum
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, 18k Gold, Platinum

Art Deco 1.20ct Diamond Two Stone Twist Ring, c.1920s
Located in London, GB
. The diamonds are held in platinum claws, while the band is made of 18 carat white gold. This graceful
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, 18k Gold, Platinum

Art Deco 0.80ct Emerald and Diamond Cluster Ring, c.1920s
Located in London, GB
Carat Weight: 0.80 Metal: 18ct Yellow Gold, Platinum Age: 1920s Size: M
Category

Vintage 1920s British Art Deco Cluster Rings

Materials

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

Art Deco Diamond Three-Stone Ring, circa 1920s
Located in London, GB
band the diamonds are claw set in, is rose gold and platinum which definitely adds an extra sparkle to
Category

Vintage 1920s Unknown Art Deco Three-Stone Rings

Materials

Diamond, 18k Gold, Platinum

Antique Art Deco 1920s 3.00 Carat Diamond Watch
Located in New York, NY
Finely crafted in platinum with Marquise, Old European, Single, and Bageutte cut Diamonds weighing
Category

Vintage 1920s Art Deco Wrist Watches

Materials

Diamond, Platinum

Five-Stone Illusion Set Old Cut Diamond Ring, circa 1920s
Located in London, GB
This two-tone, five stone diamond ring originated in the 1920s and it features a sparkling vintage
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, 18k Gold, Platinum

Art Deco 3.30 Carat Diamond and Onyx Ring, circa 1920s
Located in London, GB
Shape: Old Cut Carat Weight: 3.30 Colour: J Clarity: VS1 Metal: Platinum Age: 1920s Size: O
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, Onyx, Platinum

Art Deco 1.20 Carat Five-Stone Diamond Ring, circa 1920s
Located in London, GB
Carat Weight: 1.20 Total Colour: H Clarity: VS2 Metal: 18ct Yellow Gold, Platinum Age: 1920s Size: Q
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, 18k Gold, Platinum

Art Deco 0.50ct Diamond and Sapphire Square Cluster Ring, c.1920s
Located in London, GB
: 0.40 Colour: G Clarity: VS Metal: Platinum Age: 1920s Size: Q
Category

Vintage 1920s Unknown Art Deco Cluster Rings

Materials

Diamond, Sapphire, Platinum

Art Deco 3.00ct Sapphire and Diamond Cluster Ring, c.1920s
Located in London, GB
carats, each with a colour of G and clarity ranging from VS to SI. These diamonds are set in platinum
Category

Vintage 1920s British Art Deco Engagement Rings

Materials

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

1920s 1.81 Carat Diamond Trilogy Ring in Palladium
Located in Jesmond, Newcastle Upon Tyne
and impressive 1920s diamond trilogy ring has been crafted in palladium with a platinum setting. The
Category

Vintage 1920s Unknown Engagement Rings

Materials

Diamond, Palladium, Platinum

Art Deco 1.70ct Three Stone Diamond Ring, c.1920s
Located in London, GB
: 1.70 Colour: G-H Clarity: VS Metal: Platinum Age: 1920s Size: J
Category

Vintage 1920s Art Deco Three-Stone Rings

Materials

Diamond, Platinum

Art Deco 1.01 Carat Diamond Solitaire Engagement Ring, circa 1920s
Located in London, GB
all held within platinum claws. Two 0.03 carat old cut diamonds punctuate where the shoulders meet
Category

Vintage 1920s Unknown Art Deco Solitaire Rings

Materials

Diamond, 18k Gold, Platinum

Antique Art Deco 1920s 10.00 Carat Diamond Ruby Double Clips
Located in New York, NY
Finely crafted in platinum with Old European cut Diamonds weighing a total of approximately 10.00
Category

Vintage 1920s Art Deco Brooches

Materials

Diamond, Ruby, Platinum

Art Deco Cushion Cut Five-Stone Diamond Ring, circa 1920s
Located in London, GB
carat white gold, whilst the band is made in platinum. Gemstone: Diamond Stone Shape: Old Cushion
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, 18k Gold, Platinum

Art Deco 1.00ct Sapphire and Diamond Trilogy Ring, c.1920s
Located in London, GB
Carat Weight: 1.00 Metal: Platinum Age: 1920s Size: J
Category

Vintage 1920s British Art Deco Three-Stone Rings

Materials

Diamond, Sapphire, Platinum

Art Deco 1.80 Carat Each Diamond Earrings, circa 1920s
Located in London, GB
each have a beautiful old cut diamond weighing 1.80 carats. They are rub over set within platinum, and
Category

Vintage 1920s Unknown Art Deco Lever-Back Earrings

Materials

Diamond, Platinum

Art Deco 2.00ct Sapphire and Diamond Trilogy Ring, c.1920s
Located in London, GB
Stone Shape: Oval Cut Carat Weight: 2.00 Metal: 18ct Yellow Gold, Platinum Age: 1920s Size: L 1/2
Category

Vintage 1920s British Art Deco Three-Stone Rings

Materials

Diamond, Sapphire, Platinum

1920s Diamond and Pearl 15K Yellow Gold Bow Brooch
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive antique 0.21 carat diamond and pearl, 15 karat yellow gold, platinum set bow
Category

Vintage 1920s Unknown Brooches

Materials

Diamond, Pearl, Gold, 15k Gold, Yellow Gold, Platinum

Art Deco 1.15ct Ruby and Diamond Cluster Ring, c.1920s
Located in London, GB
between the diamonds. This beautiful piece has been hand crafted from platinum in the 1920s. Gemstone
Category

Vintage 1920s Unknown Art Deco Cluster Rings

Materials

Diamond, Ruby, 18k Gold, Platinum

Antique Art Deco 1920s 1.80 Carat Diamond Dinner Ring with Diamonds
Located in New York, NY
Finely crafted in platinum with Old European cut Diamonds weighing approximately a total of 1.80
Category

Vintage 1920s Art Deco Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Art Deco 1.00ct Sapphire and Diamond Three Stone Ring, circa 1920s
Located in London, GB
. Gemstone: Sapphire Stone Shape: Oval Cut Carat Weight: 1.00 Age: 1920s Metal: Platinum Size: M 1/2
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

Antique Art Deco 1920s 22.30 Carat Diamond Bracelet
Located in New York, NY
Finely crafted in platinum with a Marquise Diamond at the center weighing approximately 1.30 carats
Category

Vintage 1920s Art Deco Link Bracelets

Materials

Diamond, Platinum

Art Deco 0.50ct Sapphire and Diamond Trilogy Ring, c.1920s
Located in London, GB
by old cut diamonds. The vivid blue sapphire weighs 0.50 carat and sits within platinum corner claws
Category

Vintage 1920s European Art Deco Three-Stone Rings

Materials

Diamond, Sapphire, Platinum

Art Deco 2.40ct Diamond Toi et Moi Two Stone Ring, c.1920s
Located in London, GB
Art Deco era. Each diamond weighs 1.20 carat and is claw set into a refined platinum collet. The pair
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

Art Deco 2.01 Carat Emerald Cut Diamond Engagement Ring, circa 1920s
Located in London, GB
antique jewellery. It is set between a split shank band, on which there are 7 old cut diamonds on each
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, 18k Gold, Platinum

Art Deco 1.75ct Diamond Three Stone Ring, c.1920s
Located in London, GB
: 1.75 Colour: G – H Clarity: VS Metal: 18ct White Gold, Platinum Age: 1920s Size: M 1/2
Category

Vintage 1920s Unknown Art Deco Three-Stone Rings

Materials

Diamond, 18k Gold, Platinum

Antique Art Deco 1920s 25.00 Carat Diamond Bracelet
Located in New York, NY
Finely crafted in platinum with Old European cut Diamonds weighing a total of approximately 25.00
Category

Vintage 1920s Art Deco Link Bracelets

Materials

Diamond, Platinum

Art Deco 0.40ct Emerald and Diamond Three Stone, c.1920s
Located in London, GB
Dating back to the 1920s is this beautiful trilogy ring featuring a central emerald flanked by
Category

Vintage 1920s British Art Deco Three-Stone Rings

Materials

Diamond, Emerald, Platinum

Antique Art Deco 1920s 2.70 Carat Diamond Bow Brooch with Sapphires
Located in New York, NY
Finely crafted in platinum with an Asscher cut Diamond at the center weighing approximately 1.50
Category

Vintage 1920s Art Deco Brooches

Materials

Diamond, Sapphire, Platinum

Art Deco 1.80ct Emerald and Diamond Halo Cluster Ring, c.1920s
Located in London, GB
and has been run over set into the platinum collet. The surrounding diamonds total 1.60 carat and
Category

Vintage 1920s Unknown Art Deco Cluster Rings

Materials

Diamond, Emerald, 18k Gold, Platinum

Antique Art Deco 1920s 5.00 Carat Diamond Brooch with Emeralds
Located in New York, NY
Finely crafted in platinum with Pear-Shaped and Old European cut weighing a total of approximately
Category

Vintage 1920s Art Deco Brooches

Materials

Diamond, Emerald, Platinum

Antique Art Deco 1920s J.E. Caldwell Co. Diamond Bar Pin
By J.E. Caldwell Co.
Located in New York, NY
Finely crafted in platinum with Old European cut Diamonds weighing a total of approximately 2.00
Category

Vintage 1920s Art Deco Brooches

Materials

Diamond, Platinum

Art Deco 1.00 Carat Diamond Three-Stone Engagement Ring, circa 1920s
Located in London, GB
Dating to the 1920s, set to centre is an old cut diamond weighing 0.50 carat and the two adjacent
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, 18k Gold, Platinum

Art Deco 0.50ct Emerald and Diamond Trilogy Ring, c.1920s
Located in London, GB
its beautiful green hue. The diamond pair have both been set into platinum, the same metal as the band
Category

Vintage 1920s British Art Deco Three-Stone Rings

Materials

Diamond, Emerald, Platinum

Cartier Jabot Brooch with Opals, Diamonds, and Gemstone Beads Circa 1920s
By Cartier
Located in New York, NY
Cartier Jabot Brooch with Opals, Diamonds, and Gemstone Beads Circa 1920s This exquisite jabot
Category

Vintage 1920s Art Deco Brooches

Materials

Amethyst, Diamond, White Diamond, Opal, Blue Sapphire, Platinum

1920s Diamond and Yellow Gold Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
This fine and impressive antique diamond ring has been crafted in 18k yellow gold with a platinum
Category

20th Century Unknown Engagement Rings

Materials

Diamond, Platinum, Yellow Gold, 18k Gold

Art Deco 0.40ct Pink Sapphire and Diamond Cluster Ring, c.1920s
Located in London, GB
: Platinum Age: 1920s Size: N
Category

Vintage 1920s British Art Deco Cluster Rings

Materials

Diamond, Pink Sapphire, Platinum

Antique 1.00 Carat Three-Stone Old Cut Diamond Ring, circa 1920s
Located in London, GB
diamonds, dating back to the 1920s. They have been estimated as G in colour and the clarity is VS to SI
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, 18k Gold, Platinum

Art Deco Diamond and Ruby Three-Stone Halo Ring, circa 1920s
Located in London, GB
: Diamond Stone Shape: Old Cut Carat Weight: 1.95 Total Colour: H-I Clarity: VS2 Metal: Platinum Age: 1920s
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, Ruby, Platinum

1920s, Diamond and Yellow Gold Solitaire Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive antique 0.58 carat diamond and 18k yellow gold solitaire ring with a platinum
Category

Vintage 1920s Unknown Solitaire Rings

Materials

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

Art Deco 0.60 Carat Emerald and Diamond Three Stone Ring, c.1920s
Located in London, GB
stone ring which dates back to the 1920s, has been beautifully created entirely in platinum. Gemstone
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, Emerald, Platinum

Art Deco 2.10 Ct Diamond Three Stone Ring, C.1920s
Located in London, GB
Clarity: VS Metal: Platinum Age: 1920s Size: K 1/2
Category

Vintage 1920s Art Deco Three-Stone Rings

Materials

Diamond, Platinum

Antique 1920s 1.26 Carat and Yellow Gold Platinum Set Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning antique 1920s 1.26 carat diamond and 18 karat yellow gold, platinum set cocktail ring
Category

Vintage 1920s Unknown Three-Stone Rings

Materials

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

Art Deco 4.54ct Sapphire and Diamond Coronet Cluster Ring, c.1920s
Located in London, GB
platinum and surrounded by a halo of old cut diamonds. A total of eighteen diamonds with a total weight of
Category

Vintage 1920s Unknown Art Deco Cluster Rings

Materials

Diamond, Sapphire, 18k Gold, 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

Circa 1920s GIA 1.08ct Old European Diamond Engagement Ring
Located in Hicksville, NY
Year: 1920s Item Details: Ring Size: 7.25 Metal Type: Platinum [Hallmarked, and Tested] Weight
Category

Vintage 1920s Engagement Rings

Materials

Diamond, Platinum

Antique Art Deco 1920s 3.50 Carat Diamond Dinner Ring
Located in New York, NY
Finely crafted in platinum with Old European cut Diamonds weighing a total of approximately 3.50
Category

Vintage 1920s Art Deco Cocktail Rings

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.