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Round Three Carat Engagement Ring

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1.00 Carat Round Sapphire Baguette Diamond Three-Stone Platinum Engagement Ring
Located in Stamford, CT
1.00ct round Royal blue Sapphire in a classic three-stone platinum setting with 2 baguette side
Category

Late 20th Century Three-Stone Rings

Materials

Sapphire, Blue Sapphire, Diamond, Platinum

Roman Malakov 1.90 Carats Total Round Diamond Three-Stone Engagement Ring
By Roman Malakov
Located in New York, NY
This ring showcases a round brilliant center stone that weighs at 1.50 carats, G Color and SI2 in
Category

21st Century and Contemporary American Contemporary Three-Stone Rings

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

Peter Suchy GIA 1.81 Carat Round Diamond Platinum Three-Stone Engagement Ring
By Peter Suchy
Located in Stamford, CT
Diamond three-stone engagement ring. Raised platinum setting with a triple halo top. Micro pave
Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, Platinum

1.09 Carat Natural Round Brilliant Diamond Ring Classic Three Engagement
Located in New York, NY
Classic Three stone & Edwardian Gilt wreath deco. .58ct. Center Round Brilliant natural diamond
Category

2010s American Edwardian Three-Stone Rings

Materials

Diamond, 14k Gold, White Gold

Peter Suchy GIA 1.05 Carat Round Diamond Platinum Three-Stone Engagement Ring
By Peter Suchy
Located in Stamford, CT
Peter Suchy diamond engagement ring. GIA certified round center stone with 2 pair shaped side
Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, Platinum

1.70 Carat Natural Round Diamond Engagement Ring Classic Three 14 Karat
Located in New York, NY
Classic Three Engagement ring 1.70ct. Natural Center Round Brilliant diamond. Old mine, European
Category

2010s American Three-Stone Rings

Materials

Diamond, 14k Gold, White Gold

1.47 Carat Diamond Platinum Three-Stone Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
has been crafted in platinum. The contemporary ring displays three antique old European round cut
Category

Vintage 1910s English Contemporary Three-Stone Rings

Materials

Diamond, Platinum

GIA 4.41 Carat Natural Round Brilliant Diamond Ring Classic Three Engagement
Located in New York, NY
GIA certified, Classic Three 3.01ct. Center Round Brilliant diamond. GIA Report: 2155730907 J
Category

2010s American Three-Stone Rings

Materials

Diamond, White Gold

1.02 Carat Round Diamond Three Stone Engagement Ring
Located in New York, NY
1.02 Carat Round Diamond Three Stone Engagement Ring F SI2 -Metal: 14K White Gold -0.53 Carat Round
Category

2010s Engagement Rings

Materials

Diamond, 14k Gold, Platinum

1.01 Carat Round Diamond Three Stone Engagement Ring
Located in New York, NY
Beautiful Three Stone Diamond Ring in Platinum Band -1.01 Carat Total Round Diamonds -Center
Category

2010s Engagement Rings

Materials

Diamond, Platinum

1.25 Total Carat Round Diamond Three Stone Engagement Ring
Located in New York, NY
1.25 Total Carat Round Diamond Three Stone Engagement Ring I SI1 -Metal: 14K White Gold -0.75 Carat
Category

2010s American Engagement Rings

Materials

Diamond, 14k Gold

1.14tcw 14K Round Emerald & Diamond Three Stone Engagement Ring
Located in Jupiter, FL
A classic, 14k solid gold natural emerald & diamond three stone engagement ring. A timeless
Category

2010s American Modern Three-Stone Rings

Materials

Diamond, Emerald, Gold, 14k Gold, White Gold

2.38 Carat Round Ruby and Diamond Three-Stone Engagement Ring
Located in New York, NY
A timeless engagement ring style showcasing a round ruby flanked by tapered baguette diamonds on
Category

Vintage 1980s American Contemporary Engagement Rings

Materials

Diamond, Ruby

4.71 Carats Total Round Cut Diamond Three-Stone Engagement Ring
By Roman Malakov
Located in New York, NY
This classy and simple three stone engagement ring showcases a 2.70 carats brilliant round cut
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, 14k Gold, White Gold

1.24 Carat Diamond and Platinum Three-Stone Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive 1.24 carat diamond and platinum three stone dress ring; part of our diverse
Category

Vintage 1980s English Three-Stone Rings

Materials

Diamond, Platinum

.50 Carat Diamond White Gold Three-Stone Swirl Engagement Ring
Located in Stamford, CT
Vintage 1950s three stone diamond ring. Swirl bypass style in 14k white gold. Three center diamonds
Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, Gold, 14k Gold, White Gold

.90 Carat Round Diamond Three-Stone Yellow Gold Engagement Ring
Located in Stamford, CT
.90ct round center diamond in a three-stone engagement setting. 14k white and yellow gold with 2
Category

Mid-20th Century Engagement Rings

Materials

Diamond, 14k Gold, Yellow Gold, White Gold

Halo Diamond Ring, Three-Stone Ring, Engagement Ring, 14 Karat Gold, 1.69 Carat
By Five Star Jewelry
Located in Austin, TX
This stunningly beautiful three stone diamond engagement ring would make anyone thrilled to receive
Category

2010s American Modern Three-Stone Rings

Materials

Diamond, 14k Gold, White Gold

Peter Suchy 1.00 Carat Round Diamond Three-Stone Platinum Engagement Ring
By Peter Suchy
Located in Stamford, CT
Peter Suchy vintage style custom made three-stone diamond platinum engagement ring. GIA certified
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

Peter Suchy GIA .85 Carat Diamond Platinum Three-Stone Engagement Ring
By Peter Suchy
Located in Stamford, CT
GIA certified diamond engagement ring. GIA certified center round .85ct diamond in a platinum three
Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, Platinum

EGL Certified 2.71 Carat Round Diamond Platinum Three-Stone Engagement Ring
Located in Stamford, CT
Diamond three-stone engagement ring. EGL certified 2.71ct round brilliant cut center diamond in a
Category

Mid-20th Century Engagement Rings

Materials

Diamond, Platinum

Roman Malakov 5.02 Carat Round Shape Diamond Three-Stone Engagement Ring
By Roman Malakov
Located in New York, NY
A classic and unique engagement ring style showcasing 5.02 carat brilliant round diamond certified
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Platinum

GIA Certified 3.02 Carats Brilliant Round Diamond Three-Stone Engagement Ring
By Roman Malakov
Located in New York, NY
This classy and simple three stone engagement ring showcases a 3.02 carats brilliant round diamond
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Platinum

EGL Certified .90 Carat Round Diamond Palladium Three-Stone Engagement Ring
Located in Stamford, CT
1940's vintage diamond engagement ring. EGL certified round brilliant cut center diamond. In a
Category

Early 20th Century Engagement Rings

Materials

Diamond, Palladium

1.03tcw 14K Round Colombian Emerald & Diamond Three Stone Engagement Ring
Located in Jupiter, FL
A classic, 14k solid gold natural emerald & diamond three stone engagement ring. A timeless
Category

2010s American Modern Three-Stone Rings

Materials

Diamond, Emerald, Gold, 14k Gold, White Gold

GIA Certified 4.16 Carats Brilliant Round Diamond Three-Stone Engagement Ring
By Roman Malakov
Located in New York, NY
This gorgeous and well crafted high end engagement ring features GIA certified 4.16 carats
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Platinum

EGL Certified .61 Carat Round Diamond Platinum Three-Stone Engagement Ring
Located in Stamford, CT
Classic 1940's square top diamond engagement ring. EGL certified center stone, is a brilliant round
Category

Early 20th Century Engagement Rings

Materials

Diamond, Platinum

Van Cleef & Arpels 14.83 Carats Round Diamond Three-Stone Engagement Ring
By Van Cleef & Arpels
Located in New York, NY
This Luxurious three stone engagement ring features a 14.83 carats round brilliant diamond on a
Category

Vintage 1960s American Contemporary Engagement Rings

Materials

Diamond, Platinum

Martin Flyer GIA 1.52 Carat Diamond Platinum Three-Stone Engagement Ring
By Martin Flyer
Located in Stamford, CT
Martin Flyer handmade Diamond engagement Platinum ring. GIA certified round ideal brilliant cut
Category

Late 20th Century Three-Stone Rings

Materials

Diamond, Platinum

2.25 Carat Three Stone Emerald Cut Engagement Ring
Located in Los Angeles, CA
Three Stone Emerald Cut Engagement Ring. Consisting of three emerald cut diamonds 0.50 carat each
Category

2010s Three-Stone Rings

Materials

Diamond, Gold, 14k Gold, 18k Gold, White Gold, Yellow Gold

Round Diamonds Three-Stone Engagement Ring 1.00 Carat in Platinum
Located in San Diego, CA
Three-Stone Diamond Engagement Ring Metal: Platinum PT950 Size: 6 - sizable Total Carat Weight
Category

2010s American Engagement Rings

Materials

Diamond, Platinum

EGL Certified 5.53 Carats Brilliant Round Diamond Three-Stone Engagement Ring
By Roman Malakov
Located in New York, NY
A brilliant and classic engagement ring style showcasing an 5.53 carats brilliant round diamond
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Platinum

EGL Certified 1.20 Carat Diamond White Gold Three-Stone Engagement Ring
Located in Stamford, CT
Three-stone diamond engagement ring. 14k white gold setting with three round brilliant cut diamonds
Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, Gold, 14k Gold, White Gold

.72 Carat Round Diamond Gold Triple Halo Three-Stone Engagement Ring
Located in Stamford, CT
Triple Diamond engagement ring. Three center diamonds each with a halo of round cut diamonds set in
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 18k Gold, White Gold, Gold

GIA Certified 10.09 Carat Brilliant Round Diamond Three-Stone Engagement Ring
By Roman Malakov
Located in New York, NY
This gorgeous important engagement ring features a 10.09 carat brilliant round shape diamond GIA
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Platinum

4.53 Carats Brilliant Round and Baguette Diamond Three Stone Engagement Ring
By Roman Malakov
Located in New York, NY
This gorgeous three stone engagement ring features a 4.53 carats brilliant round cut diamond
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Roman Malakov 0.58 Carats Total Round Diamond Three-Stone Engagement Ring
Located in New York, NY
A classy and simple engagement ring style showcasing three brilliant diamonds, set in a timeless
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Vintage 1980s 1.04 Carat Diamond White Gold Three-Stone Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive vintage 1.04 carat diamond and 18 karat white gold trilogy ring; part of our
Category

Vintage 1980s English Three-Stone Rings

Materials

Diamond, 18k Gold, White Gold

2.53 Carat Round Cut Baguette Diamond Three-Stone Platinum Engagement Ring
Located in Stamford, CT
1940s round brilliant cut light yellow center diamond. EGL certified, in a platinum three-stone
Category

Early 20th Century Engagement Rings

Materials

Diamond, Platinum

Peter Suchy GIA 1.96 Carat Diamond Halo Three-Stone Platinum Engagement Ring
By Peter Suchy
Located in Stamford, CT
Stunning three-stone diamond engagement ring. This truly spectacular engagement ring is adorned
Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, Platinum

Marcus & Co. GIA 6.35 Carat Diamond Platinum Three-Stone Engagement Ring
By Marcus & Co.
Located in Stamford, CT
Marcus + Co diamond Three-stone platinum engagement ring. All 3 diamonds have all original old
Category

Early 20th Century Unknown Three-Stone Rings

Materials

Diamond, Platinum

Roman Malakov 2.94 Carats Total Round Aquamarine Three-Stone Engagement Ring
By Roman Malakov
Located in New York, NY
A gorgeous three stone gemstone engagement ring features three round cut blue aquamarine weighing
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Aquamarine, 18k Gold, White Gold

EGL Certified 1.26 Carat Three-Stone Diamond Halo Gold Engagement Ring
Located in Stamford, CT
Three-stone Halo diamond engagement ring with center and side round brilliant cut diamonds in a 18k
Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, Gold, 18k Gold, White Gold

1.40 Carats Total Brilliant Round Diamonds Three Stone Halo Engagement Ring
By Roman Malakov
Located in New York, NY
Featuring three round brilliant diamonds set with a halo of melee diamonds around each stone
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, 18k Gold, White Gold

1.22 Carat Three-Stone Diamond 14 Karat Yellow Gold Engagement Ring
By Roshe Jewels
Located in Los Angeles, CA
A classic and sparkly 3-stone Diamond ring set in 14 Karat Yellow Gold. There is a Round Cut
Category

21st Century and Contemporary American Contemporary Three-Stone Rings

Materials

Diamond, 14k Gold, Yellow Gold

GIA 1.50 Carat Diamond Three-Stone Engagement Ring, Round Diamond Rose Gold Ring
By Gabriel & Co.
Located in Austin, TX
This classic three stone rose gold engagement ring has a modern design! With a GIA certified center
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, 14k Gold, Rose Gold

Peter Suchy GIA 1.58 Carat Round Diamond Platinum Three-Stone Engagement Ring
By Peter Suchy
Located in Stamford, CT
1.10 round brilliant cut diamond three-stone engagement ring. GIA certified center stone with 2
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

Roman Malakov 1.03 Carats Total Round Cut Diamond Three-Stone Engagement Ring
By Roman Malakov
Located in New York, NY
This classy and simple three stone engagement ring showcases a brilliant round diamond center stone
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Platinum

Roman Malakov 2.77 Carat Round Cut Blue Sapphire Three-Stone Engagement Ring
By Roman Malakov
Located in New York, NY
A classic but unique three-stone engagement ring showcasing a 2.77 carat round cut blue sapphire
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Blue Sapphire, Platinum

Martin Flyer GIA 1.01 Carat Round Diamond Platinum Three-Stone Engagement Ring
By Martin Flyer
Located in Stamford, CT
Martin Flyer 1940's diamond engagement ring. GIA certified round brilliant cut center stone with 4
Category

Early 20th Century Engagement Rings

Materials

Diamond, Platinum

1.50 Carats Brilliant Round Cut Diamond and Ruby Three-Stone Engagement Ring
By Roman Malakov
Located in New York, NY
A sparkling 1.50 carats round diamond takes center stage in this ruby and diamond engagement ring
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Ruby, Platinum

Roman Malakov GIA Certified 1.00 Carat Round Diamond Three-Stone Engagement Ring
By Roman Malakov
Located in New York, NY
A timeless diamond engagement ring showcasing a 1.00 carat brilliant round diamond that GIA
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Platinum

GIA Certified .90 Carat and .36 Carat Round Diamond Engagement Ring Platinum
Located in New York, NY
Modernist Solitaire & Accent. GIA Certified Diamond engagement ring. .90ct. Natural Round Cut
Category

2010s American Modernist Three-Stone Rings

Materials

Diamond, Platinum

0.74 Carats Round Shape Blue Sapphire and Diamond Three-Stone Engagement Ring
By Roman Malakov
Located in New York, NY
This simple and beautiful three stone engagement ring features a 0.74 carats round brilliant
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Blue Sapphire, Diamond, Sapphire, Platinum

1.07 Carat Ruby Diamond White Gold Three-Stone Engagement Ring
Located in Stamford, CT
Natural simple heat Ruby and diamond ring. Oval center ruby with two round side diamonds in a
Category

Mid-20th Century Three-Stone Rings

Materials

Diamond, Ruby, Gold, 14k Gold, White Gold

Three 3-Stone 3.40 Carat Round Brilliant Cut Diamond Engagement Ring
By Antinori Fine Jewels
Located in Rome, IT
Three 3-Stone Round Brilliant Cut Diamond Engagement Ring. The ring weighs 4.9 grams, size 4.75
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, Platinum

Three stone 2.6 carat transitional cut diamond engagement ring, circa 1940
By Carl Gustav Hallberg
Located in Malmö, SE
both world's - antique and modern. Three-stone engagement rings hold a different meaning than the
Category

Vintage 1940s Swedish Three-Stone Rings

Materials

Diamond, Platinum

GIA Certified 2.04 Carats Round Diamond and Ruby Three-Stone Engagement Ring
By Roman Malakov
Located in New York, NY
A well crafted three-stone engagement ring featuring a 2.04 carats brilliant round diamond
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

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

0.76 Carat Round Green Emerald and Yellow Diamond Three-Stone Engagement Ring
Located in New York, NY
A stylish and unique three-stone engagement ring showcasing a round green emerald, flanked by
Category

1990s American Contemporary Engagement Rings

Materials

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

Peter Suchy .56 Carat Pink Sapphire Diamond Gold Three-Stone Engagement Ring
Located in Stamford, CT
GIA certified purplish pink vivid Sapphire and diamond three-stone engagement ring, in a 14k white
Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, Sapphire, Pink Sapphire, Gold, 14k Gold, White Gold

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Round Three Carat Engagement Ring For Sale on 1stDibs

You are likely to find exactly the round three carat engagement ring you’re looking for on 1stDibs, as there is a broad range for sale. Frequently made of Gold, White Gold and 18k Gold, this item was constructed with great care. Our collection of these items for sale includes 106 vintage editions and 215 modern creations to choose from as well. Making the right choice when shopping for a round three carat engagement ring may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 20th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. A round three carat engagement ring from Roman Malakov, Peter Suchy and Tiffany & Co. — each of whom created a beautiful version of this treasured accessory — is worth considering. See these pages for a round cut iteration of this accessory, while there are also brilliant cut cut and emerald cut cut versions available here, too. Most of our round three carat engagement ring for sale are for women, but there are 44 pieces available to browse for men.

How Much is a Round Three Carat Engagement Ring?

On average, a round three carat engagement ring at 1stDibs sells for $6,400, while they’re typically $339 on the low end and $435,000 for the highest priced versions of this item.

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.