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3 Carat Round Diamond Engagement Ring with Custom 3-Sided Pave Setting
By Hannah Florman
Located in Boston, MA
GIA certified diamond engagement ring with 3 carat center stone, G color and VS2 clarity (**this
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, 14k Gold

3 Carat Round Diamond Engagement Ring with Custom 3-Sided Pave Setting
By Hannah Florman
Located in Boston, MA
GIA certified diamond engagement ring with 3 carat center stone, G color and VS2 clarity (**this
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Platinum, 14k Gold

3 Carat Round Diamond Engagement Ring with Custom 3-Sided Pave Setting
By Hannah Florman
Located in Boston, MA
GIA certified diamond engagement ring with 2 carat center stone, J color with VS1 clarity (**this
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Platinum, 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

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

3 Carat Round Cut Diamond Engagement Ring EGL Certified I VS1
Located in New York, NY
TALIA ROUND CUT DIAMOND ENGAGEMENT RING in 18K WHITE GOLD BY MIKE NEKTA Center Diamond: Carat
Category

2010s American Engagement Rings

Materials

Diamond, 18k Gold, White 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

8 Carat Round Diamond Engagement Ring 3 Stones Pear Shaped GIA Certified G VS2
Located in New York, NY
VERA -8 CARAT ROUND CUT THREE STONE PEARD DIAMOND ENGAGEMENT RING BY MIKE NEKTA GIA CERTIFIED
Category

2010s American Engagement Rings

Materials

Diamond, White Gold, 14k 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

1.50 Carat Round Cut Diamond Engagement Ring
Located in Los Angeles, CA
Unique Diamond Engagement Ring. You may choose to customize the center stone between 0.50-1.00ct
Category

2010s Engagement Rings

Materials

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

5.05 Carat Round Blue Sapphire Diamond Platinum Engagement Ring
Located in Stamford, CT
center stone, mounted in a platinum setting, beautifully accented with 122 round diamonds along 3 squares
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Blue Sapphire, Sapphire, Platinum

GIA Certified 3 Carat Round Cut Diamond Platinum Ring
By Antinori Fine Jewels
Located in Rome, IT
Embrace the unparalleled allure of this exquisite GIA certified 3 carat round cut diamond platinum
Category

2010s Unknown Contemporary Engagement Rings

Materials

Diamond, White Diamond, Platinum

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

White Diamond, Diamond

0.72ctw Diamond Art Deco Engagement Ring 900 Platinum Size 5.75 Round Center
Located in McLeansville, NC
Gem: Natural Diamond (center) - 0.63 Carats, Transitional Round Brilliant Cut, H - I Color, SI1
Category

2010s Art Deco Engagement Rings

Materials

Diamond, Platinum

GIA Certified 7.60 Carat Round Diamond Engagement Ring
By M&V Vanguard Jewelry
Located in New York, NY
Mounted in handmade custom design setting featuring Platinum 950, diamond shank with 3 rows of
Category

2010s American Engagement Rings

Materials

Diamond, Platinum

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

Art Deco 3/4 Carat Diamond Antique Engagement Ring
Located in Santa Barbara, CA
. The center round brilliant cut diamond grips your attention with exceptional color and clarity and
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

GIA Certified 3 Carat Round Cut Diamond Platinum Ring
By Antinori Fine Jewels
Located in Rome, IT
diamond encrusted setting, this ring is a head turner! Highlights: - Large 3.05 carat center diamond
Category

2010s Italian Modern Engagement Rings

Materials

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

3 Carat Eternity Band Round Brilliant Cut Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
according to your finger size, the carat weight may vary to ensure a seamless fit and unparalleled comfort
Category

2010s Italian Modern Engagement Rings

Materials

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

Semi-Mount Engagement Ring, 14 Karat White Gold Center .33 Carat
Located in Greensboro, NC
, this NEW engagement ring features a semi-mount for a diamond or gemstone measuring 4.3 - 5mm across the
Category

20th Century Unknown Engagement Rings

Materials

Diamond, 14k Gold, White Gold

2.19 Carat 3 Stone Diamond Engagement Ring Platinum in Stock
Located in Boca Raton, FL
Platinum 2.19ctw 3 Stone Diamond Engagement Ring This platinum round brilliant diamond engagement
Category

21st Century and Contemporary American Engagement Rings

Materials

Diamond, Platinum

1 1/3 Ct Natural Real Round Solitaire Diamond Halo Engagement Ring 14k Gold
Located in New York, NY
Classic 1 1/3 Ct brilliant round solitaire diamond halo engagement ring in 14k white gold. The
Category

2010s American Engagement Rings

Materials

Diamond, 14k 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

14K Yellow Gold Petie Light Blue Round Sapphire Diamond Ring Center-0.13 Carat
Located in San Francisco, CA
: Center Gemstone Type: SAPPHIRE Center Gemstone Carat Weight: 0.13 Center Gemstone Diameter: 3 Center
Category

21st Century and Contemporary American Engagement Rings

Materials

Sapphire, Diamond, Yellow Gold

3 Carat Pear Shape Diamond Engagement Ring Certified Y
Located in New York, NY
Amari 3 Carat Pear Shape Diamond Engagement Ring in 18k White Gold By Mike Nekta Center Diamond
Category

2010s American Engagement Rings

Materials

Diamond, Yellow Diamond, 18k Gold, White Gold

Tacori Diamond Royal T GIA 4 Carats Round Brilliant Platinum Engagement Ring
By Tacori
Located in Austin, TX
This iconic platinum diamond ring is a Tacori Royal T stunner! The 4.00 carat round diamond is GIA
Category

21st Century and Contemporary American Artisan Engagement Rings

Materials

Diamond, White Diamond, Platinum

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

1 carat Round Moissanite & Marquise diamonds unique engagement Ring Penelope
Located in Hertsliya, IL
design by Silly Shiny Diamonds. D E T A I L S : ♥ Center stone shape: Round, brilliant. ♥ Center stone
Category

2010s Israeli Victorian Engagement Rings

Materials

Diamond, Yellow Gold, White Gold, Rose Gold, 14k Gold

14 Karat Gold Petite Organic Design Cushion Diamond Ring Center, 3/4 Carat
Located in San Francisco, CA
This petite handcrafted earthy, organically designed ring is features 3/4 a Carat Elongated
Category

21st Century and Contemporary American Engagement Rings

Materials

Diamond, Yellow Gold

Semi-Mount Engagement Ring, 14 Karat Gold for Center Diamond Accents .75 Carat
Located in Greensboro, NC
Diamond Accents Clarity: SI1 - SI2 Color: G - H Cut: Round Brilliant Total Carats: 0.75ctw Center
Category

21st Century and Contemporary Unknown Engagement Rings

Materials

Diamond, 14k Gold, White Gold

GIA Certified 3 Carat Old European Diamond Engagement Ring
Located in New York, NY
This stunning platinum engagement ring is centered with a sparkling GIA certified old European cut
Category

20th Century Engagement Rings

Materials

Diamond, Platinum

Double Halo Round 0.8 Carat Moissanite Unique Engagement Ring, "Monaco"
Located in Hertsliya, IL
engagement ring only. Handmade with care. An original design by Silly Shiny Diamonds. Details: * Center
Category

2010s Israeli Art Deco Engagement Rings

Materials

Diamond, Yellow Gold, White Gold, Rose Gold, 14k Gold

Double Halo 0.3 Carat Round Moissanite Unique Engagement Ring, "Monaco"
Located in Hertsliya, IL
engagement ring only. Handmade with care. An original design by Silly Shiny Diamonds. Details: * Center
Category

2010s Israeli Art Deco Engagement Rings

Materials

Diamond, Yellow Gold, White Gold, Rose Gold, 14k Gold

Double Halo 0.3 Carat Round Diamond Unique Engagement Ring, "Monaco"
Located in Hertsliya, IL
engagement ring only. Handmade with care. An original design by Silly Shiny Diamonds. Details: * Center
Category

2010s Israeli Art Deco Engagement Rings

Materials

Diamond, Yellow Gold, White Gold, Rose Gold, 14k Gold

Double Halo 0.8 Carat Round Diamond Unique Engagement Ring, "Monaco"
Located in Hertsliya, IL
engagement ring only. Handmade with care. An original design by Silly Shiny Diamonds. Details: * Center
Category

2010s Israeli Art Deco Engagement Rings

Materials

Diamond, Yellow Gold, White Gold, Rose Gold, 14k 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

4 Carat Round Cut Diamond Engagement Ring GIA Certified D* VVS1
Located in New York, NY
CERTIFIED Center Diamond Carat Weight: 3 Carats Color : D* Clarity: VVS1 Style: ROUND BRILLIANT
Category

2010s American Engagement Rings

Materials

Diamond, 18k Gold, White Gold

1 1/3 Ct Natural Real Round Solitaire Diamond Halo Engagement Ring 14k Gold
Located in New York, NY
Classic 1 1/3 Ct brilliant round solitaire diamond halo engagement ring in 14k white gold. The
Category

2010s American Engagement Rings

Materials

Diamond

Art Deco Platinum 1.03 Carat D VS1 Round Diamond Engagement Ring
Located in Los Angeles, CA
diamond on each side of the center diamond, with 3 round diamonds that are pave set on top and bottom of
Category

21st Century and Contemporary Art Deco Engagement Rings

Materials

Diamond, Platinum

Tiffany & Co. 2.01 Carat Center F-VVS1 Round Brilliant Diamond Ring in Platinum
By Tiffany & Co.
Located in La Jolla, CA
: One Round Brilliant Diamond in the center Weighing 2.01 carats Tiffany & Co. Certification F color
Category

21st Century and Contemporary American Engagement Rings

Materials

Diamond, Platinum

14 Karat White Gold Petite Earthy Organic Design Diamond Ring Center, 3/4 Carat
Located in San Francisco, CA
carat weight of 3/4 of a carat, complimented by three (3) round diamonds in a total weight of 0.03 carat
Category

21st Century and Contemporary American Engagement Rings

Materials

Diamond, White Gold

14 Karat Yellow Gold Petite Earthy Organic Design Diamond Ring Center, 3/4 Carat
Located in San Francisco, CA
carat weight of 3/4 of a carat, complimented by three (3) round diamonds in a total weight of 0.03 carat
Category

21st Century and Contemporary American Engagement Rings

Materials

Diamond, Yellow Gold

14 Karat Rose Gold Petite Earthy Organic Design Diamond Ring Center, 3/4 Carat
Located in San Francisco, CA
carat weight of 3/4 of a carat, complimented by three (3) round diamonds in a total weight of 0.03 carat
Category

21st Century and Contemporary American Engagement Rings

Materials

Diamond, Rose Gold

3 Carat Combine Mix Shape Diamond Engagement Ring Certified Y
Located in New York, NY
Gracelynn 3 Carat Yellow Combine Mix Shape Halo Diamond Engagement Ring in 14k White Gold By Mike
Category

2010s American Engagement Rings

Materials

Diamond, Yellow Diamond, 14k Gold, White Gold

3 Carat Marquise Cut Diamond Engagement Ring Certified D SI1
Located in New York, NY
Malia 3 Carat D SI1 Marquise Cut Diamond Engagement Ring in 14k White Gold By Mike Nekta Center
Category

2010s American Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Ruby and Diamond Ring, 14 Karat White Gold Round Cut .81 Carat Engagement
Located in Greensboro, NC
from the center to merge into a smoothly polished shank. This ring is a size 6 3/4, but it can be
Category

21st Century and Contemporary Unknown Engagement Rings

Materials

Diamond, Ruby, 14k Gold, White Gold

Three Row Hidden Halo Round Cut Diamond Engagement Ring 1.70 Carat
Located in Los Angeles, CA
This breath taking hidden halo engagement ring consist of 1.70 Ct. Tw. round cut diamonds. This
Category

2010s Engagement Rings

Materials

Diamond, Gold, 14k Gold, Rose Gold, White Gold, Yellow Gold

1 Carat Round Diamond Floral Vintage Engagement Rings Set "Lily Flower"
Located in Hertsliya, IL
design by Silly Shiny Diamonds. Details: * Center stone shape: Round. * Center stone type: Natural
Category

2010s Israeli Victorian Engagement Rings

Materials

Diamond, 14k Gold

14 Karat Rose Gold Petite Organic Design Cushion Diamond Ring Center, 3/4 Carat
Located in San Francisco, CA
This petite handcrafted earthy, organically designed ring is features 3/4 a Carat Elongated
Category

21st Century and Contemporary American Engagement Rings

Materials

Diamond, Rose Gold

14 Karat White Gold Petite Organic Design Cushion Diamond Ring Center, 3/4 Carat
Located in San Francisco, CA
This petite handcrafted earthy, organically designed ring is features 3/4 a Carat Elongated
Category

21st Century and Contemporary American Engagement Rings

Materials

Diamond, White Gold

1 carat Round & Marquise diamond modern and unique engagement ring Penelope
Located in Hertsliya, IL
design by Silly Shiny Diamonds. D E T A I L S : ♥ Center stone shape: Round, brilliant. ♥ Center stone
Category

2010s Israeli Victorian Engagement Rings

Materials

Diamond, Yellow Gold, White Gold, Rose Gold, 14k Gold

18k Halo Diamond Engagement Ring with 0.32 Carat GIA Certified Center Diamond
Located in Camisano Vicentino, VI
Made to order Halo Diamond Engagement Ring with 0.32 Carat GIA Certified Center Diamond, 16 Contour
Category

2010s Italian Engagement Rings

Materials

Diamond, 18k Gold

1.0 Carat Round Moissanite Floral Vintage Engagement Ring Set "Lily Flower"
Located in Hertsliya, IL
original design by Silly Shiny Diamonds. Details: * Center stone shape: Round. * Center stone type
Category

2010s Israeli Victorian Engagement Rings

Materials

Diamond, 14k Gold

3.00 Carat Fancy Black Round Diamond Engagement Wedding White Gold Ring EGL, USA
Located in New York, NY
Gorgeous Vintage Diamond Ring with 2.13ct Natural Fancy Black Round Brilliant Center Diamond, EGL
Category

Early 2000s Engagement Rings

Materials

Diamond, Black Diamond, 18k Gold, White Gold

3 Carat Heart Shape Diamond Engagement Ring Certified D SI2
Located in New York, NY
of 2.76 carat, this ring is the perfect way to say "I Love You" on your special day. Center Earth
Category

2010s American Engagement Rings

Materials

Diamond, Yellow Diamond, 18k Gold, White Gold

Diamond Engagement Ring in 18k White Gold with an App. 0.60 Carat Center
Located in Surfside, FL
Charming diamond engagement ring in 18k white gold with an app. 0.60 carat center European cut
Category

20th Century Engagement Rings

Materials

White Gold

3 Carat Heart Shape Diamond Engagement Ring GIA Certified F VS2
Located in New York, NY
Yaretzi 3 Carat F SI2 Heart Shape Diamond Engagement Ring in Platinum. GIA Certified. By Mike Nekta
Category

2010s American Engagement Rings

Materials

Diamond, Platinum

3 Carat Cushion Cut Diamond Engagement Ring GIA Certified E VS2
Located in New York, NY
Mallory 3 Carat E VS2 Cushion Cut Diamond Engagement Ring in Platinum By Mike Nekta GIA CERTIFIED
Category

2010s American Engagement Rings

Materials

Diamond, Platinum

3 Carat Emerald Cut Diamond Engagement GIA Certified Ring F SI1
Located in New York, NY
Briella 3 Carat K SI1 Emerald Cut Double Halo Diamond Engagement Ring in 18k White Gold By Mike
Category

2010s American Engagement Rings

Materials

Diamond, White Gold, 18k Gold

3 Carat Pear Shape Diamond Engagement Ring GIA Certified G IF
Located in New York, NY
Malaya 3 Carat G Internally Flawless Pear Shape Diamond Engagement Ring in Platinum By Mike Nekta
Category

2010s American Engagement Rings

Materials

Diamond, Platinum

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3 Carat Center Round Engagement For Sale on 1stDibs

Surely you’ll find the exact 3 carat center round engagement you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Frequently made of Gold, White Gold and Yellow Gold, this item was constructed with great care. In our selection of items, you can find a vintage example as well as a contemporary version. You’re likely to find the perfect 3 carat center round engagement among the distinctive items we have available, which includes versions made as long ago as the 20th Century as well as those produced as recently as the 21st Century. A 3 carat center round engagement from Tiffany & Co., Sophia D and Cartier — each of whom created a beautiful version of this treasured accessory — is worth considering. Today, if you’re looking for a round cut version of this piece and are unable to find the perfect match, our selection also includes emerald cut and princess cut alternatives. If you’re browsing our inventory for a 3 carat center round engagement, 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 Center Round Engagement?

The price for a 3 carat center round engagement starts at $403 and tops out at $339,000 with these rings, on average, selling for $6,258.

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.