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3 Carat Round Brilliant Diamond Ring

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3 Carat Round Brilliant Cut Diamond Platinum Ring
By Antinori Fine Jewels
Located in Rome, IT
carat Round Brilliant Cut Diamond, destined to symbolize everlasting love and commitment. This elegant
Category

2010s Italian Contemporary Three-Stone Rings

Materials

Diamond, Platinum

GIA Certified 3 Carat Round Brilliant Cut Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
Featured here is a fantastic round cut diamond ring with 3 carat diamond in total. The main stone
Category

2010s Italian Modern Solitaire Rings

Materials

Diamond, White Diamond, 18k Gold, White Gold

GIA Certified 3 Carat Round Brilliant Cut Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
3.05 carat center stone and sophisticated, diamond accented setting with subtle vintage style
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond

Alani 3 Carat Round Brilliant Diamond Cocktail Ring
Located in New York, NY
your life. Center Earth Mined Diamond: Carat Weight: 3.29 Carats Shape: Round Brilliant Cut Ring
Category

2010s American Cocktail Rings

Materials

Diamond, 18k Gold, White Gold

3 Carat Eternity Band Round Brilliant Cut Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
, including platinum, 18k white gold, or 18k yellow gold. The allure of the Platinum Round Brilliant Cut
Category

2010s Italian Modern Engagement Rings

Materials

White Diamond, Diamond, Platinum, 18k Gold, White Gold, 14k Gold

3 Carat Diamond Engagement Ring
By Vivid Diamonds
Located in Miami, FL
Spectacular engagement ring crafted in platinum, showcasing a GIA certified round brilliant cut
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Platinum

Exceptional GIA Certified 3 Carat Round Brilliant Cut Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
This stunning ring features an exquisite 3-carat emerald-cut diamond as its centerpiece, radiating
Category

2010s Unknown Contemporary Engagement Rings

Materials

White Diamond, Diamond, Platinum

GIA Certified 3 Carat Round Brilliant Cut Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
This exquisite ring boasts a GIA-certified 3-carat round brilliant cut diamond, showcasing
Category

2010s Unknown Contemporary Three-Stone Rings

Materials

Diamond, White Diamond, 18k Gold, White Gold

Tiffany & Co. 3 Carat Round Brilliant Cut Diamond Platinum Ring
By Tiffany & Co.
Located in Rome, IT
Tiffany & Co. 3.08 ct Platinum Round Brilliant Cut Diamond Solitaire Engagement Ring. The ring
Category

2010s American Modern Engagement Rings

Materials

Diamond, Platinum

Adley 3 Carat Round Brilliant Diamond Cocktail Ring Certified
Located in New York, NY
deserve it! Earth Mined Diamonds: Carat Weight: 2.95 Carats Shape: Round Brilliant Cut Ring: Total
Category

2010s American Cocktail Rings

Materials

Diamond, 14k Gold, White Gold

3 Carat Round Brilliant Diamond Engagement Ring Certified D VS2
Located in New York, NY
Phoebe 3 Carat D VS2 Round Brilliant Diamond Engagement Ring in 18k White Gold By Mike Nekta
Category

2010s American Engagement Rings

Materials

Diamond, 18k Gold, White Gold

GIA Certified 3 Carat Round Brilliant Cut Diamond Tapered Baguette Ring
By Antinori Fine Jewels
Located in Rome, IT
milkiness. This large round brilliant cut diamond is certified by GIA, the world’s premier gemological
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, 18k Gold

3 Carat Round Brilliant Diamond Solitaire Engagement Ring, GIA Certified
Located in New York, NY
Spectacular engagement ring crafted in Platinum, showcasing a GIA certified round brilliant cut
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Platinum

Tiffany & Co. IDEAL CUT 3 Carat Round Brilliant Cut Diamond Platinum Ring
By Tiffany & Co.
Located in Rome, IT
Tiffany & Co. 3 Carat Round Brilliant Cut Diamond Platinum Ring This Tiffany & Co. Diamond
Category

2010s American Modern Engagement Rings

Materials

Diamond, White Diamond, Platinum

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

GIA Certified 3 Carat Round Brilliant Cut Diamond Ring 18K White Gold
By Antinori Fine Jewels
Located in Rome, IT
This exquisite ring boasts a dazzling round-cut diamond, certified by the Gemological Institute of
Category

2010s Unknown Contemporary Engagement Rings

Materials

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

GIA Certified 3 Carat D Color VS1 Clarity Round Brilliant Cut Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
GIA Certified 3 Carat D Color VS1 Clarity Round Brilliant Cut Diamond Ring
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, Platinum

3.53 Ct 3 Row Round Brilliant Diamond Anniversary Ring
By Sebastian Bernard
Located in Los Angeles, CA
Round Brilliant Diamonds Set in Shared Prong Mode. The diamonds are VS Clarity E to F Color. Total
Category

2010s American Wedding Rings

Materials

Diamond, 18k Gold

GIA 4.64 Carat K/VS1 Round Brilliant Diamond Platinum 3-Stone Engagement Ring
By Sebastian Bernard
Located in Los Angeles, CA
A shiny 4.64 Ct Round Brilliant K/VS1 GIA Certified center Diamond set in a fine Platinum 3 Stone
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Platinum

3 Carat Round Brilliant Diamond Eternity Ring in 18 Karat White Gold
Located in London, GB
3 Carat Round Brilliant Diamond Eternity Ring in 18 Karat White Gold. This gorgeous timeless ring
Category

21st Century and Contemporary Contemporary Wedding Rings

Materials

Diamond, 18k Gold, White Gold

Stunning 2.15 Carat Round Brilliant Diamond Solitaire Ring
Located in רמת גן, IL
Stunning 2.15 Carat Round Brilliant Diamond Solitaire Ring This exquisite solitaire ring showcases
Category

2010s Singaporean Solitaire Rings

Materials

Diamond, White Gold

GIA Certified 12.03 Carat Brilliant Round Diamond Engagement Ring
By Roman Malakov
Located in New York, NY
This gorgeous important engagement ring features a GIA Certified 12.03 carat brilliant round shape
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Platinum

GIA Certified 3 Carat Round Diamond Ring VVS2
By Antinori Fine Jewels
Located in Rome, IT
and vibrant sparkle! This round brilliant cut diamond is certified by GIA, the world’s premier
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, 18k Gold

Modern Platinum Band 3 Carat Natural Baguette & Round F VS Diamond Cocktail Ring
By Radiam Diamond Company
Located in Los Angeles, CA
Diamonds weighing 1.75 carats and measuring 3.5x2mm. In addition, there are 30 Natural Round Brilliant
Category

2010s American Modern Band Rings

Materials

Diamond, Platinum

1.95 Carat Total Round Brilliant Diamond Graduated 3 Row White Gold Band Ring
Located in Scottsdale, AZ
Ring size: 8.75 Absolutely gorgeous graduated diamond band ring with 3 row design. This sparkling
Category

21st Century and Contemporary Unknown Contemporary Band Rings

Materials

Diamond, Gold, 14k Gold, White Gold

Vivid Diamonds 3 Carat Diamond Eternity Band
By Vivid Diamonds
Located in Miami, FL
Exquisite eternity band crafted in Platinum, showcasing 18 stunning round brilliant cut diamonds
Category

21st Century and Contemporary American Modern Band Rings

Materials

Diamond, Platinum

Aquamarine 8.50 Carat Bespoke 18 Karat White Gold 3 Carat Diamond Halo Ring
By Hasbani Diamonds
Located in London, GB
brilliant cut diamonds on each side of the shank, a total diamond weight of 3.00 carat approximately white
Category

2010s British Modern Engagement Rings

Materials

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

0.70 Carat Round Brilliant Cut Diamond 3-Row Intertwined Ring 18 Karat In Stock
Located in Boca Raton, FL
18k Yellow Gold 0.70ct Round Brilliant Cut Diamond 3-Row Intertwined Ring Product: Intertwined
Category

21st Century and Contemporary American Modern Fashion Rings

Materials

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

2 Carat Three Row Baguette & Round Brilliant Cut Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
2.08 ct Total Weight 3 Three Row Baguette & Round Brilliant Cut Diamond 14k White Gold Wedding
Category

2010s Italian Contemporary Band Rings

Materials

Diamond, 14k Gold, Yellow Gold

1.7 Carat Round Brilliant & Baguette Cut Diamond 3-Row Ring 14 Karat In Stock
Located in Boca Raton, FL
14k White Gold 1.7ctw Round Brilliant & Baguette Cut Diamond 3-Row Ring Product: Round Brilliant
Category

21st Century and Contemporary American Modern Band Rings

Materials

Diamond, Gold, 14k Gold, White Gold

GIA Certified 3.01 Carat Round Brilliant Cut Diamond Platinum Ring 3X
By Antinori Fine Jewels
Located in Rome, IT
An exquisite investment grade 3.01 carat round brilliant cut diamond set with a micropave of round
Category

2010s Unknown Modern Engagement Rings

Materials

Diamond, White Diamond, Platinum

Blue Topaz 2.20 Carat Oval 0.20 Carat Round Diamond White Gold Halo Ring
By Hasbani Diamonds
Located in London, GB
is set with 3 claws for a sparkly star effect look. This ring has a total gem weight of 2.40 Carat
Category

2010s British Modern Engagement Rings

Materials

White Diamond, Topaz, Diamond, Blue Topaz, 18k Gold, White Gold

Certified Round Brilliant Cut Diamond Engagement Ring 0.91 Carat
Located in London, GB
An 18k white gold diamond ring. The round brilliant cut diamond weighs 0.91ct, is F in colour and
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Blue Topaz 2.20 Carat Oval 0.20 Carat Round Diamond Platinum Halo Ring
By Hasbani Diamonds
Located in London, GB
is set with 3 claws for a sparkly star effect look. This ring has a total gem weight of 2.40 Carat
Category

2010s British Modern Engagement Rings

Materials

Diamond, White Diamond, Topaz, Blue Topaz, Platinum

3/4 Carat Round Brilliant Diamond Eternity Band in 18 Karat Gold, 0.75 Carat
By Five Star Jewelry
Located in Austin, TX
going all the way around the band. The timeless eternity band has round brilliant cut diamonds that are
Category

21st Century and Contemporary American Modern Band Rings

Materials

Diamond, Yellow Gold, Gold, 18k Gold

2 Carat Three Row Baguette & Round Brilliant Cut Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
& Round Brilliant Cut Diamond 14k White Gold Wedding Band / Anniversary Ring. The ring weighs 8.4 grams
Category

2010s Italian Modern Solitaire Rings

Materials

Diamond, Platinum

3 Stone Diamond Ring .85ct Round Brilliant Wedding Ring Set 14K Brand New
Located in Dearborn, MI
Brand New 3 Stone Diamond Ring with Side Diamonds .85ct Round Brilliant Wedding Ring Set 14K White
Category

2010s Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Diamond Engagement Ring .80ct Round Brilliant 3 Stone Wedding Ring Set New 14K
Located in Dearborn, MI
Brand New Diamond Engagement Ring .80ct Round Brilliant Cut 3 Stone Wedding Ring Set 14K White Gold
Category

2010s Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Cartier Three 3-Color Platinum Round Brilliant Cut Diamond Engagement Ring
By Cartier
Located in Rome, IT
Authentic 2.02 ct Cartier Solitaire Platinum Pear Brilliant Cut Diamond Engagement Ring. The ring
Category

2010s Italian Modern Solitaire Rings

Materials

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

2.06 Carat Certified Round Brilliant Diamond Platinum Vintage Engagement Ring
Located in Hamilton, AU
carat round brilliant cut diamond. This exceptional diamond is beautifully designed in a minimalistic
Category

21st Century and Contemporary Australian Modern Engagement Rings

Materials

Diamond, Platinum

3/8 Carat Round Brilliant Diamond Le Vian Ring, 14 Karat White Gold Cluster Halo
By Le Vian
Located in Greensboro, NC
the ring showcases an oval adorned with seven golden-hued diamonds on a black-embossed background. The
Category

20th Century Unknown Fashion Rings

Materials

Diamond, Brown Diamond, 14k Gold, White Gold

1 Carat Brilliant Round Center Diamond, 2 Carat 14 Karat White Gold Ring
Located in New York, NY
1 Carat Center Diamond Engagement 14 Karat White Gold Ring 14 K gold Stamped 7.8 Grams Diamond
Category

2010s Engagement Rings

Materials

Diamond, Gold, 14k Gold, White Gold

Tacori Diamond Royal T GIA 4 Carats Round Brilliant Platinum Engagement Ring
By Tacori
Located in Austin, TX
. There are a total of 126 small round brilliant diamonds on the ring that weigh a total of 0.87 carats
Category

21st Century and Contemporary American Artisan Engagement Rings

Materials

Diamond, White Diamond, Platinum

Platinum 10.32 Ct Round Brilliant Cut Diamond Ring
Located in Palm Desert, CA
Set in Platinum, weighing 11 grams, is one 10.32 carat Round brilliant Cut diamond, Color range of
Category

Late 20th Century More Rings

Materials

Diamond, Platinum

Platinum Akoya Pearl & Diamond Ring - Round Brilliant .34ctw
Located in Greensboro, NC
Information Akoya Pearl Color: White Size: 9.2mm Natural Diamonds Carat(s): .34ctw Cut: Round Brilliant Color
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Pearl, Platinum

0.47ctw 3-Stone Diamond Engagement Ring 14k Gold Size 5 Round Brilliant
Located in McLeansville, NC
Gemstone Information: - Natural Diamonds - Total Carats - 0.47ctw Cut - Round Brilliant Color - I
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 14k Gold, White Gold, Yellow Gold

White Gold Diamond Cluster Band - 14k Round Brilliant 3/4ctw Milgrain Ring
Located in Greensboro, NC
Information Natural Diamonds Carat(s): 3/4ctw Cut: Round Brilliant Color: G - H Clarity: SI2 - I1 Total
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, 14k Gold, White Gold

1.00 Carat Round White Diamond 18 KT Yellow Gold Men's Bespoke Signet Ring
By Hasbani Diamonds
Located in London, GB
round brilliant cut diamonds which gives the ring square shape. Size UK - T, US - 9 3/4, color H
Category

2010s British Modern Signet Rings

Materials

Diamond, White Diamond, Gold, 18k Gold, Rose Gold, White Gold, Yellow Gold

3 Carat GIA Certificate G Color Cushion Diamond Platinum Bespoke Engagement Ring
By Hasbani Diamonds
Located in London, GB
of 0.25 carat round brilliant cut. This is a stunning diamond engagement ring set in platinum with
Category

2010s British Modern Engagement Rings

Materials

Diamond, Platinum

3 Carat GIA Certificate E Color Cushion Diamond Platinum Bespoke Engagement Ring
By Hasbani Diamonds
Located in London, GB
A bespoke ring with one of the best colors and clarity center diamond, 3.00 carat cushion cut
Category

2010s British Modern Engagement Rings

Materials

Diamond, Platinum

White Gold Diamond Engagement Ring, 14 Karat Round Brilliant Cut 1.25 Carat
Located in Greensboro, NC
: Round Brilliant Solitaire's Carat: 0.55ct Accents' Carats: 0.70ctw Total Carats: 1.25ctw Style
Category

20th Century Unknown Engagement Rings

Materials

Diamond, 14k Gold, White Gold

3/8ctw Round Brilliant Diamond Ring Sterling Silver Fancy Blue Halo Cluster
Located in Greensboro, NC
: I - J; Fancy Blue Cut: Round Brilliant Total Carats: 3/8ctw Style: Cluster Halo Face Height
Category

Late 20th Century Unknown Cocktail Rings

Materials

Diamond, Sterling Silver

Shreve, Crump & Low GIA Certified 5.90 Carat K VS2 Round Brilliant Diamond Ring
By Shreve, Crump & Low
Located in Boston, MA
, Crump & Low platinum 3-stone ring. The 5.90 carat round brilliant cut center diamond is accompanied
Category

2010s American Engagement Rings

Materials

Diamond, Platinum

5.61 Carat 3 Row Round Diamond 18 Karat Gold Eternity Ring
By Sebastian Bernard
Located in Los Angeles, CA
This beautiful Eternity Ring is made in 18K Gold with 66 2.80 mm perfectly matched Round Brilliant
Category

2010s American Wedding Rings

Materials

Diamond, 18k Gold

.85 Carat Round Brilliant Diamond Vintage Ring, 14 Karat White Gold Bypass
Located in Greensboro, NC
Stone Information: Natural Diamonds Clarity: SI1 - SI2 Color: G - H Cuts: Round Brilliant
Category

20th Century Unknown Engagement Rings

Materials

Diamond, 14k Gold, White Gold

6.15 Carats Round Brilliant Diamond Cross over Ring 14k White Gold
Located in Scottsdale, AZ
Designer: custom design Material: 14k white gold Diamonds: 70 round brilliant cuts = 6.15 carat
Category

21st Century and Contemporary Fashion Rings

Materials

Diamond, 14k Gold, White Gold

EGL Certified .65 Carat Round Brilliant Cut Diamond White Gold Engagement Ring
Located in Stamford, CT
Late Art Deco 1940's diamond engagement ring. EGL certified .65ct round brilliant cut center
Category

Mid-20th Century Engagement Rings

Materials

Diamond, Gold, 14k Gold, White Gold

EGL Certified 1.40 Carat Round Brilliant Cut Diamond White Gold Engagement Ring
Located in Stamford, CT
1.40ct EGL certified round brilliant cut center diamond. in a 14k white gold 8 prong solitaire
Category

Late 20th Century Solitaire Rings

Materials

Diamond, White Gold, Gold, 14k Gold

Shreve, Crump & Low GIA Certified 3.23 Carat E VVS2 Round Brilliant Diamond Ring
By Shreve, Crump & Low
Located in Boston, MA
Shreve, Crump & Low platinum 3-stone ring. The 3.23 carat center diamond is accented by two pear shape
Category

2010s American Engagement Rings

Materials

Diamond, Platinum

Cartier Love Ring with 0.22 Carat 3 Brilliant Cut Diamonds In White Gold
By Cartier
Located in Aventura, FL
LOVE ring, white gold (750/1000), set with 3 brilliant-cut diamonds totaling 0.22 carats. Width
Category

21st Century and Contemporary American Modernist Fashion Rings

Materials

Diamond, White Gold

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3 Carat Round Brilliant Diamond Ring For Sale on 1stDibs

You are likely to find exactly the 3 carat round brilliant diamond ring you’re looking for on 1stDibs, as there is a broad range for sale. Every item for sale was constructed with extraordinary care, often using Gold, White Gold and Yellow Gold. You can easily find a 465 antique edition and 1708 modern creations to choose from as well. Finding the perfect 3 carat round brilliant diamond ring may mean sifting through those created during different time periods — you can find an early version that dates to the 20th Century and a newer variation that were made as recently as the 21st Century. For this particular accessory, there are many different carat weights to choose from, but .5 Carat and 1 Carat versions are of considerable interest. Finding an appealing 3 carat round brilliant diamond ring — no matter the origin — is easy, but Antinori Fine Jewels, Mark Broumand and Tiffany & Co. each produced a popular version that is worth a look. See these pages for a round cut iteration of this accessory, while there are also brilliant cut cut and baguette cut cut versions available here, too. If you’re browsing our inventory for a 3 carat round brilliant diamond ring, you’ll find that many are available today for women, but there are still pieces to choose from for unisex and men.

How Much is a 3 Carat Round Brilliant Diamond Ring?

Prices for a 3 carat round brilliant diamond ring can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $270 and can go as high as $6,600,000, while this accessory, on average, fetches $7,926.

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.