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Antique 3 Carat Diamond Engagement Rings

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Art Deco 2.50 Carat Diamond Platinum Engagement Ring
Located in San Francisco, CA
Architectural elegance with a modern twist defines this classic, original Art Deco engagement ring
Category

1920s Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, White Diamond, Platinum

.55 Carat Diamond Edwardian Diamond Antique Engagement Ring Platinum
Located in Tampa, FL
An artistically designed Edwardian diamond Antique engagement ring featuring a .55ct. Apx. European
Category

Early 1900s Unknown Edwardian Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

Art Deco .94 Carat Diamond Platinum Engagement Ring
Located in Tampa, FL
An antique engagement ring crafted in platinum and features a .94ct. apx. center diamond with SI1
Category

1920s Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

Art Deco 0.65 Carat Diamond Platinum Engagement Ring
Located in Tampa, FL
A wonderful antique engagement ring featuring a .65ct. apx. diamond with SI2 clarity and H color. A
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

Art Deco .55 Carat Diamond Platinum Engagement Ring
Located in Tampa, FL
dazzling antique engagement ring! Beautiful! Primary Stone(s): Diamond - Conflict Free Weight: .55ct
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

Art Deco .55 Carat Diamond Platinum Engagement Ring
Located in Tampa, FL
A highly decorative antique engagement ring featuring a .55ct. apx. European cut center diamond
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

Art Deco . 35 Carat Diamond Platinum Engagement Ring
Located in Tampa, FL
An artistically pierced antique engagement ring featuring a European diamond with SI2 clarity and G
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

Art Deco 1.10 Carat Diamond Platinum Engagement Ring
Located in Tampa, FL
A breathtaking late Edwardian/early Art Deco diamond Antique engagement ring features a 1.10ct. apx
Category

Early 1900s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

Art Deco 1.04 Carat Diamond Platinum Engagement Ring
Located in Tampa, FL
A classic diamond solitaire antique engagement ring crafted in platinum and features a 1.04ct. apx
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

Art Deco .50 Carat Diamond Platinum Engagement Ring
Located in Tampa, FL
A beautiful Art Deco antique engagement ring featuring a .50ct. apx. European cut center diamond
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

Art Deco .88 Carat Diamond Platinum Engagement Ring
Located in Tampa, FL
A stunning and blindingly brilliant Art Deco platinum diamond antique engagement ring. This ring
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

Antique Edwardian .90 Carat Diamond Gold Engagement Ring
Located in Tampa, FL
An antique engagement ring crafted in 18K white gold and features a .90ct. apx. center diamond with
Category

Early 1900s Unknown Edwardian Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Art Deco 1.02 Carat Diamond Platinum Engagement Ring
Located in Tampa, FL
This is a beautiful antique engagement ring featuring a 1.02ct. apx. European cut center diamond
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

Art Deco .33 Carat Diamond Gold Engagement Ring
Located in Tampa, FL
A low profile Art Deco diamond engagement ring crafted in 18K white gold featuring a .33ct. apx
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Art Deco .94 Carat Diamond Platinum Engagement Ring
Located in Tampa, FL
A beautifully designed and very eye appealing antique engagement ring, this square format is
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

Art Deco 1.00 Carat Diamond Platinum Engagement Ring
Located in Tampa, FL
A wonderful antique engagement ring with beautiful diamond set "shoulders" enhance this early
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

EGL Certified 4.0 Carats Diamond Platinum Art Deco Engagement Ring
Located in Calabasas, CA
.60 carats. Size slightly larger than 5 3/4 (easily sizable). The bezel setting ensures your diamond
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

Art Deco .71 Carat Diamond Platinum Engagement Ring
Located in Tampa, FL
In our Tampa store this item has a retail price of $7,295. A gorgeous Art Deco engagement ring
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

Art Deco .45 Carat Diamond Gold Engagement Ring
Located in Tampa, FL
A dainty engagement ring featuring a .45ct. apx. European cut diamond which is VS1 in clarity and H
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Belais Antique .40 Carat Diamond Gold Engagement Ring
By Belais
Located in Tampa, FL
This gorgeous 18K White Gold Art Deco antique engagement ring by "Belais" is in excellent condition
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Art Deco .50 Carat Diamond Gold Engagement Ring
Located in Tampa, FL
An Art Deco vintage engagement ring crafted in 18K white gold featuring a .50ct. apx. European cut
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, 18k Gold, White Gold

.33 Carat Diamond Antique Engagement Ring 18 Karat White Gold
Located in Tampa, FL
A unique Art Deco diamond Antique engagement ring that features a scintillating .33ct. apx
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, 18k Gold, White Gold

1920s Art Deco 1.20 Carat Diamond Platinum Engagement Ring
Located in Chicago, IL
is a very desirable engagement ring style. The ring is enhanced with 16 side old cut diamonds. Circa
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, White Diamond, Platinum

Antique .64 Carat 3 Stone Diamond Gold Ring
Located in Tampa, FL
milgrained. A very decorative ring that can be worn as an engagement ring or as a stand alone 3 stone diamond
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, 18k Gold, White Gold

.35 Carat Diamond Antique Engagement Ring 18 Karat White Gold
Located in Tampa, FL
A very desirable Art Deco diamond Antique engagement ring that features a .35ct. apx. European cut
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, 18k Gold, White Gold

4 Carat Emerald Diamond Art Deco Platinum Engagement Ring
Located in Frederick, MD
4 Carat Emerald Diamond Art Deco Engagement Ring - 0.50 Ct Emerald & 3.50 Ctw 18 Old Mine Cut
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Emerald, Platinum

Platinum .53 Carat Diamond Art Deco Antique Engagement Ring
Located in Tampa, FL
A stunning Art Deco Diamond & Platinum Antique Engagement Ring. It features a .53ct. European cut
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

1.20 Carat Diamond .65 Carat Sapphire Antique Engagement
Located in Tampa, FL
A pristine Art Deco diamond and sapphire Antique engagement or fashion ring that features 1.20ct
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Blue Sapphire, Platinum

Antique Engagement Ring .50 Carat Diamond Platinum Art Deco
Located in Tampa, FL
designed 1920's diamond engagement ring. Beautiful! Primary Stone(s): Diamond - Conflict Free Weight
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

Platinum Art Deco Antique Engagement Ring .50 Carat Diamond
Located in Tampa, FL
A lovely platinum and diamond Art Deco Antique engagement ring featuring a .50ct. apx. European cut
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

Antique Engagement Ring .97 Carat Diamond Platinum Art Deco
Located in Tampa, FL
A stunning platinum antique engagement ring featuring a .97ct. apx. European cut center diamond
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

Art Deco 1.10 Carat Diamond Platinum Antique Engagement Ring
Located in Tampa, FL
engagement ring from the 1920's! Primary Stone(s): Diamond - Conflict Free Weight: 1.10ct. apx. Color: H-I
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

Edwardian Diamond Trilogy Platinum Ring circa 1910 0.76 Carat Engagement Ring
Located in Lancaster, Lancashire
love you. The ring is hallmarked Platinum. This will make a perfect engagement ring. Steeped in
Category

1910s Unknown Edwardian Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

Antique Engagement Ring .82 Carat Diamond Platinum Art Deco
Located in Tampa, FL
A very beautiful platinum and diamond Antique engagement or fashion ring that has a beautiful
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

Art Deco .89 Carat Diamond Sapphire Gold Engagement Ring
Located in Tampa, FL
An artistically designed antique engagement ring crafted in 18K white gold and features a .89ct
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Art Deco Antique Engagement Ring .85 Carat Diamond 18K White Gold
Located in Tampa, FL
antique engagement ring with scintillating diamonds! Primary Stone(s): Diamond - Conflict Free Weight
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Art Deco 1.60 Carat Diamond Cluster Engagement Platinum Ring
Located in Napoli, IT
I Love You Antique Diamond cluster ring have so much more personality and charisma than those of
Category

1920s Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

Art Deco 1.02 Carat Diamond Platinum 3 Stone Ring
Located in Tampa, FL
A wonderful antique 3 stone ring featuring a 1.02ct. apx. European cut center diamond with VVS1
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

.40 Carat Diamond and Platinum Art Deco Antique Engagement Ring
Located in Tampa, FL
An Art Deco platinum diamond Antique engagement ring crafted in platinum. This ring features a
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

Antique Engagement Ring .50 Carat Diamond and Platinum Art Deco
Located in Tampa, FL
A beautiful Art Deco antique engagement ring featuring a .50ct. apx. European cut center diamond
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

Art Deco .70 Carat Diamond and Platinum Antique Engagement Ring
Located in Tampa, FL
An Art Deco platinum & diamond Antique engagement ring featuring a .70ct. apx. European cut center
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

Platinum Art Deco Engagement Ring .71 Carat Diamond, GIA Certificate
Located in Tampa, FL
An artistically designed platinum Art Deco antique engagement ring that features a .71ct. apx. old
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

Antique Edwardian 3.00 Carat Natural Sapphire Diamond French Engagement Ring
Located in Lancaster, Lancashire
engagement ring. It weighs 7.6 grams, most rings weigh 3 grams Measures M in the UK or 6 ½ USA The face of
Category

Early 20th Century British Edwardian Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Sapphire, Platinum

Art Deco .98 Carat GIA Certified Diamond Platinum Engagement Ring
Located in Tampa, FL
A beautiful Art Deco diamond Antique engagement ring featuring a .98ct. apx. European cut diamond
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

Belle Epoque - Edwardian .70 Carat Diamond Sapphire Platinum Engagement Ring
Located in Tampa, FL
antique engagement ring! It is further enhanced by numerous small diamond melee and delicate engraving
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Sapphire, Platinum

Edwardian Colossal Natural Split Pearl 1.60 Carat Diamond Engagement Ring
Located in Napoli, IT
statement to show off or one off engagement ring Excellent condition in spite of being such an old find! Can
Category

Early 1900s Edwardian Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Natural Pearl, 18k Gold, Platinum

.50 Carat Diamond Ruby Antique Engagement Fashion Ring 18 Karat White Gold
Located in Tampa, FL
A unique Art Deco diamond and ruby 3-stone Antique engagement or fashion ring that features .50ct
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Ruby, 18k Gold, White Gold

Art Deco 2.60 Carat Old Mine Cut Diamond Cluster Engagement Ring
Located in Napoli, IT
ring from the Art Deco period Important carat weight given out as 2.60 Ct! With a centre of .80 Ct (G
Category

1920s Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, 18k Gold

1920s Art Deco 1.46 Carat Diamond Sapphire Platinum Engagement Ring EGL
Located in Huntington, NY
This is a beautiful 1920s Antique Art Deco Platinum 1.46ctw Diamond Sapphire Engagement Ring EGL
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Blue Sapphire, Platinum

Art Deco Diamond Platinum Engagement Ring
Located in Beverly Hills, CA
A beautifully detailed Art Deco era diamond engagement ring. This ring features a center European
Category

Early 20th Century Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

Diamond Art Deco Platinum Engagement Ring
Located in Frederick, MD
This beautufil Diamond Art Deco Engagement Ring is adourned with 1.30 carat total weight with the
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

Edwardian Diamond and Platinum Engagement Ring
Located in New York, NY
Lovely antique diamond engagement ring, set in platinum. A softly rounded shape contours the low
Category

1910s American Edwardian Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

.53 Carat Diamond Platinum Engagement Ring Art Deco by S. Kind Son
Located in Tampa, FL
An exceptional Platinum & Diamond Art Deco Antique Engagement Ring by S. Kind & Son. This beautiful
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Platinum

0.75 Carat 3-Stone Certified Diamond Ring 18 Karat White Gold
By Collective Brilliant
Located in NEW YORK, NY
Make a statement with this stunning piece of jewelry. Each certified diamond is carefully set. All
Category

19th Century Indian Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, 18k Gold

1.25 Carat 3 Station Certified Diamond Ring 14 Karat White Gold
By Collective Brilliant
Located in NEW YORK, NY
Make a statement with this stunning piece of jewelry. Each certified diamond is carefully set. All
Category

19th Century Indian Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, 14k Gold

Antique Engagement Ring .25 Carat Diamond and 18 Karat White Gold, J36180
Located in Tampa, FL
An intricately designed and filigreed antique engagement ring featuring a .25ct. apx. European cut
Category

1920s Unknown Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Art Deco style 1.0 Carat Solitaire Diamond Plus Onyx Platinum Engagement Ring
Located in Napoli, IT
distinctive design and quality workmanship This striking Art Deco engagement ring has been artful crafted of
Category

1920s Art Deco Antique 3 Carat Diamond Engagement Rings

Materials

Diamond, Onyx, Platinum

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Antique 3 Carat Diamond Engagement Rings For Sale on 1stDibs

Browse a vast assortment of antique 3 carat diamond engagement rings for sale on 1stDibs. All of the items for sale were constructed with extraordinary care, often using Gold, Platinum and 18k Gold. Find a collection of 835 vintage versions or 120 modern creations for a more contemporary example of these cherished accessories. Our inventory has long been popular, and it includes earlier versions that date to the 19th Century and newer variations that were made as recently as the 21st Century. There are many different pieces in our collection of antique 3 carat diamond engagement rings to choose from, but Art Deco and Edwardian antique 3 carat diamond engagement rings are of considerable interest. There have been many well-made iterations of these items over the years, but those made by J. Birnbach, Neil Lane Couture and Antinori Fine Jewels are often thought to be among the most beautiful. A selection of old european cut, antique cushion cut and round cut can be found today on these pages. When shopping our range of antique 3 carat diamond engagement rings, you’ll find that there are less available pieces for men today than there are for women.

How Much are Antique 3 Carat Diamond Engagement Rings?

Prices for antique 3 carat diamond engagement rings start at $352 and top out at $850,000 with these rings, on average, selling for $7,750.

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.  

Finding the Right Rings for You

Antique and vintage rings have long held a special place in the hearts of fine jewelry lovers all over the world.

No matter their origin or specific characteristics, rings are timeless, versatile accessories. They’ve carried deep meaning since at least the Middle Ages, when diamond rings symbolized strength and other kinds of rings were worn to signify romantic feelings or to denote an affiliation with a religious order. Rings have also forever been emblematic of eternity.

Over time, rings have frequently taken the form of serpents, which have long been associated with eternal life, health and renewal. Italian luxury jewelry house Bulgari has become famous for its widely loved Serpenti motif, for example, and its Serpenti ring, like the other accessories in the collection, began as an homage to jewelry of the Roman and Hellenistic eras. The serpent is now a popular motif in fine jewelry. Jewelry devotees have long pined for rings adorned with reptiles, thanks to antique Victorian rings — well, specifically, Queen Victoria’s illustrious engagement ring, which took the form of a gold snake set with rubies, diamonds and an emerald (her birthstone). Designs for Victorian-era engagement rings often featured repoussé work and chasing, in which patterns are hammered into the metal.

Engagement rings, which are reliably intimidating to shop for, are still widely recognized as symbols of love and commitment. 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

The most collectible antique engagement rings and vintage engagement rings are those from the Victorian, Edwardian and Art Deco eras. Named for the monarchies of the four King Georges, who in succession ruled England starting in 1714 (plus King William’s reign), antique Georgian rings, be they engagement rings or otherwise, are also coveted by collectors. Pearls, along with colored gemstones like garnets, rubies and sapphires, were widely used in Georgian jewelry. The late-1700s paste jewelry was a predecessor to what we now call fashion or costume jewelry

The Art Nouveau movement (1880–1910) brought with it rings inspired by the natural world. Antique Art Nouveau rings might feature depictions of winged insects and fauna as well as women, who were simultaneously eroticized and romanticized, frequently with long flowing hair. Art Deco jewelry, on the other hand, which originated during the 1920s and ’30s, is by and large “white jewelry.” White metals, primarily platinum, were favored over yellow gold in the design of antique Art Deco rings and other accessories as well as geometric motifs, with women drawn to the era’s dazzling cocktail rings in particular.

Whether you’re hunting down a chunky classic for a Prohibition-themed cocktail party or seeking a clean contemporary design to complement your casual ensemble, find an exquisite collection of antique, new and vintage rings on 1stDibs.

Questions About Antique 3 Carat Diamond Engagement Rings