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4 Carat Estate Ring

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4 Carat Emerald Cut Colombian Emerald and Diamond Platinum Ring Estate
Located in New York, NY
A classic, Cocktail ring 4.0 Carat Colombian Emerald and Diamond Ring, with no color enhancement
Category

Early 20th Century Cocktail Rings

Materials

Diamond, Emerald, Platinum

GIA Antique 3 Stone 4 Carats Fancy Intense Yellow Diamond Ring
By Bella Rosa Estate Jewelers
Located in Santa Barbara, CA
electricity over 100 years ago. We designed this ring using diamonds and settings from the original platinum
Category

Antique Late 19th Century Czech Edwardian Cocktail Rings

Materials

Diamond, Platinum

4 Carat Oval Tsavorite & 2.9 Carat Diamond in 18 Karat White Gold Ring Estate
Located in New York, NY
Approximately 4 Carat Oval Tsavorite and 2.9 Carat Diamond in 18 Karat White Gold Ring Estate Size
Category

2010s Solitaire Rings

Materials

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

1 Carat Pink Sapphire and 4 Carat Diamond 18 Karat White Gold Ring, Estate
Located in New York, NY
A classic, Cocktail ring Approximately 1 Ct natural Pink sapphire and Approximately 4 Ct Diamond
Category

Early 2000s Cocktail Rings

Materials

Diamond, Pink Sapphire, 18k Gold, White Gold

4 Carat Oval Citrine and Diamond Ring in 14 Karat Yellow Gold, Estate
Located in New York, NY
Approximately 4 Carat Oval Citrine And Diamond Ring In 14 Karat Yellow Gold , Estate Leisure cut
Category

2010s Cocktail Rings

Materials

Citrine, Diamond, Yellow Gold, 14k Gold

4 Carat Emerald Cut Colombian Emerald and Diamond Ring 14 Karat Gold Estate
Located in New York, NY
A classic, Cocktail ring 4 Carat Colombian Emerald and Diamond Ring, Estate, no color enhancement
Category

Early 20th Century Cocktail Rings

Materials

Diamond, Emerald, 14k Gold

8.5 Carat Emerald Cut Emerald and 4 Ct Diamond Ring Platinum, Estate 6.5 Unisex
Located in New York, NY
A classic, Cocktail ring Approximately 8.5 Carat Emerald cut Emerald and 4 ct of Round brilliant
Category

Early 20th Century Cocktail Rings

Materials

Diamond, Emerald, Platinum

4 Carat Heart Shape Colombian Emerald & 1.3 Ct Diamond 18 Karat Gold Ring Estate
Located in New York, NY
A classic, Cocktail ring , Perfect gift for Valentine's day !! 4 Carat Heart Shape Colombian
Category

Early 20th Century Cocktail Rings

Materials

Diamond, Emerald, 18k Gold, Gold

65 Carat Rose Quartz Diamond Gold Statement Cocktail Ring Estate Fine Jewelry
Located in Montreal, QC
rectangular 65 Carat Cabochon Rose Quartz, Diamond set triangular-shaped prongs on 4 sides. Sixty-eight
Category

21st Century and Contemporary Modern Cocktail Rings

Materials

Quartz, Diamond, 18k Gold, Rose Gold, Gold

Estate 1.15 Carat Sapphire Vintage Engagement Ring
Located in Santa Barbara, CA
Diamonds: 40 Single Cuts; 0.20 carats total Ring Size: 7 1/4, sizing available Ring Face: 17 mm wide x 10
Category

21st Century and Contemporary Contemporary Engagement Rings

Materials

Diamond, Sapphire, 14k Gold, White Gold

5.5 Carat Turquoise Diamond Emerald Ruby Gold Cocktail Ring Estate Fine Jewelry
Located in Montreal, QC
Fabulous and Stylish Turquoise Diamond Emerald Ruby and Diamond Gold Cocktail Ring. Center securely
Category

21st Century and Contemporary Modern Cocktail Rings

Materials

Diamond, Emerald, Ruby, Turquoise, Yellow Gold, Gold, 18k Gold

Natural Diamond Ring 14K White Gold Cluster Cocktail 2.06 TDW
By Estate Jewelry
Located in East Brunswick, NJ
VS1 clarity and H color totaling .60 carat. Eight (4+4) round brilliant cut diamonds in the center
Category

20th Century Cocktail Rings

Materials

Diamond, White Gold

Diamond Ring 14K Gold Pear Round Cluster 1.53 TDW
By Estate Jewelry
Located in East Brunswick, NJ
This estate ring is made in solid 14K Yellow Gold. It is set with 5 pear cut and 4 round diamonds
Category

Late 20th Century Cluster Rings

Materials

Diamond, 14k Gold, Yellow Gold

Diamond Ring 18K White Gold Flower Cocktail 3.30 TDW
By Estate Jewelry
Located in East Brunswick, NJ
measures 3/4" and a bigger one is 15/16". Size 7.25 (sizable). The ring weighs 10.4 grams. Great vintage
Category

20th Century Cluster Rings

Materials

Diamond, 18k Gold, White Gold

Diamond Ring 14K White Gold Vintage Cluster 1.73 TDW
By Estate Jewelry
Located in East Brunswick, NJ
brilliant cut diamonds (.75 carat) - 14 tappered diamonds (.48 carat) - 4 marquise cut diamonds (.50 carat
Category

20th Century Cluster Rings

Materials

Diamond, 14k Gold, White Gold

Diamond Ring 14K White Gold 1.25 TDW Round Single Vintage Cluster
By Estate Jewelry
Located in East Brunswick, NJ
measures 1" North-South X 3/4" East-West. Size 4.75 (sizable). The ring weighs 7.9 grams. Great estate
Category

Vintage 1960s Cluster Rings

Materials

Diamond, White Gold

Diamond Ring 14K White Gold Vintage Cluster 1.24 TDW
By Estate Jewelry
Located in East Brunswick, NJ
This vintage ring is made in solid 14K White Gold It has 20 single cut diamonds totaling 1.00 carat
Category

Mid-20th Century Cluster Rings

Materials

Diamond, 14k Gold, White Gold

Marquise Diamond Ring 18K White Gold Engagement 3.10 TDW Del Co
By Estate Jewelry
Located in East Brunswick, NJ
and 4 side diamonds are VS1 clarity and G color totaling .60 carat. The top of the ring measures 22mm
Category

20th Century Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Diamond Ring 14K Gold Diamond Cluster 1.51 TDW Cocktail
By Estate Jewelry
Located in East Brunswick, NJ
brilliant cut diamonds total 1.35 carats. 4 more smaller diamonds total .16 carat. The diamonds range from
Category

Vintage 1960s Cocktail Rings

Materials

Diamond, 14k Gold, White Gold, Yellow Gold

Vintage 4 Carat Round Carved Jadeite Jade Gold Filigree Solitaire Ring
Located in Montreal, QC
Simply Beautiful! Carved Jade Gold Solitaire Cocktail Ring. Centering a Hand set securely nestled 4
Category

21st Century and Contemporary Modern Solitaire Rings

Materials

Jade, Gold, 14k Gold, Yellow Gold

4.11 Carat No Heat Burmese Star Ruby Diamond Platinum Ring Estate Fine Jewelry
Located in Montreal, QC
Beautiful Burmese Star Ruby and Diamond Art Deco Style Platinum Cocktail Ring, center securely set
Category

20th Century Art Deco Cocktail Rings

Materials

Diamond, Ruby, Star Ruby, Platinum

Old Mine Diamond Ring 14K White Gold Art Deco .82 TDW
By Estate Jewelry
Located in East Brunswick, NJ
(2 gems) = .44 carats. The total diamond weight for the ring is .82 carat. The diamonds range from
Category

Vintage 1930s Art Deco Bridal Rings

Materials

Diamond, 14k Gold, White Gold

Abstract Statement 4 Carat Emerald and RBC Diamond Art Leighton Gold Ring
Located in Montreal, QC
a 4 Carat Green Emerald and accented with Round Brilliant Cut Diamonds, approx.0.40tcw. Hand crafted
Category

21st Century and Contemporary American Modern Cocktail Rings

Materials

Diamond, Emerald, Gold, 14k Gold, Yellow Gold

Art Deco Revival 0.53 Carat Carré Diamond & Emerald Platinum Ring
By Bella Rosa Estate Jewelers
Located in Santa Barbara, CA
Clarity: VS1 Accent Gemstones: 8 Calibre & Step Cut Emeralds; 0.90 carats total 4 Round Brilliant & 4
Category

21st Century and Contemporary Art Deco Engagement Rings

Materials

Diamond, Emerald, Platinum

Natural Oval Diamond Ring Platinum .90 TDW Engagement
By Estate Jewelry
Located in East Brunswick, NJ
Natural Oval Diamond Ring Platinum .90 TDW Engagement This amazing estate diamond engagement or
Category

Late 20th Century Three-Stone Rings

Materials

Diamond, Platinum

5 Carat Rubelite and 4.5 Carat Diamond 18 Karat White Gold Cocktail Ring Estate
Located in New York, NY
A classic, Cocktail ring 5 Carat Rubelite and 4.5 Carat Diamond 18 Karat White Gold Cocktail Ring
Category

2010s Cocktail Rings

Materials

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

Antique 3.05 Carat Old Mine Cut Diamond & Emerald Platinum Engagement Ring
By Bella Rosa Estate Jewelers
Located in Santa Barbara, CA
standards Accent Gemstones: 22 Calibré Emerald 1.25 Carats Total 4 Round Diamonds; 0.03 Carats Total Ring
Category

2010s Art Deco Engagement Rings

Materials

Diamond, Emerald, Platinum

Estate Natural Unheated 2 Carat Ruby Diamond Cocktail Ring
Located in Napoli, Italy
, weighing total 4 carats, graded G color with Vvs clarity. Handmade in Italy, circa 1980 CONDITION
Category

Vintage 1970s Unknown Cluster Rings

Materials

Diamond, Ruby, 18k Gold

Mens Diamond Ruby Ring 14K White Gold Band
By Estate Jewelry
Located in East Brunswick, NJ
This gorgeous estate ring is finely crafted in solid 14K White Gold and set with genuine Earth
Category

20th Century Band Rings

Materials

Diamond, Ruby, 14k Gold, White Gold

Estate 5.25 Carat Oval Swiss Blue Topaz Diamond Platinum Ring
Located in Miami, FL
. -Swiss Blue Oval Topaz Diamond Platinum Estate Ring -Platinum -Blue Topaz: 5.25ct Oval Cut -Mounted 4
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Topaz, Blue Topaz, Platinum

Estate Art Deco Platinum .40 Carat Baguette European Single Cut Diamond Ring
Located in Stamford, CT
Vintage All original Retro Art Deco Platinum ring. Pierced top with round and baguette diamonds
Category

Mid-20th Century More Rings

Materials

Diamond, Platinum

Natural Diamond Sapphire Ring 18k Gold Cocktail Signed Letter M
By Estate Jewelry
Located in East Brunswick, NJ
finely crafted in solid 18K White Gold. The ring holds 4 natural genuine Sapphires and 4 square cut
Category

20th Century Cocktail Rings

Materials

Diamond, Sapphire, 18k Gold, White Gold

14 Karat White Gold Estate 1.00 Carat Diamond and 0.60 Carat Ruby Ring
Located in Laguna Beach, CA
is 0.20 carats. On the sides are Marquise shaped Rubies, 0.60 total carats. The ring size is 7 3/4
Category

21st Century and Contemporary Unknown Cocktail Rings

Materials

Diamond, Ruby, White Gold

Diamond Sapphire Ring Platinum Edwardian Antique C.1910s European Cut
By Estate Jewelry
Located in East Brunswick, NJ
-South. Size 4. It is hard to know exact size due to the elongated shape of the ring, inside band
Category

Vintage 1910s Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Estate Double Heart Diamond Ring in 14k White Gold with .02 Carat Diamonds
By Five Star Jewelry
Located in Austin, TX
: round Diamond Weight: .02 carat total weight Ring Gram Weight: 2.33 grams Ring Size: 4
Category

Mid-20th Century American Retro Fashion Rings

Materials

Diamond, 14k Gold, White Gold

Men's 4 Carat Salmon Tourmaline European 18 Karat Ring
Located in METAIRIE, LA
In 18KT White Gold, this European Men's Tourmaline & Diamond ring features a central Square cut 4
Category

1990s Italian Solitaire Rings

Materials

Diamond, Tourmaline, 18k Gold, White Gold

1.83 Carat Natural Emerald & Diamond Estate Cocktail Ring Made in Platinum
Located in Tokyo, JP
A stunning ring featuring a 1.83 Carat Natural Emerald and 0.69 Carats of Diamond Accents set in
Category

20th Century Japanese Modern Cocktail Rings

Materials

Diamond, Emerald, Platinum

Vintage Ruby and Diamond Gold Cocktail Ring Estate Fine Jewelry
Located in Montreal, QC
Beautiful Ruby and Diamond Cluster Ring, centering a Diamond weighing approx. 0.17 Carat surrounded
Category

Late 20th Century Contemporary Cluster Rings

Materials

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

Rose Quartz and Diamond Cocktail Statement Ring Estate Fine Jewelry
Located in Montreal, QC
Stunning solitaire Cocktail ring featuring a 8.48 Carat oval Buff-Top Rose Quartz measuring approx
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Diamond, Quartz, Sterling Silver

Cartier Double Heart Diamond Ring Sz 4 Pinky Band Estate 18k White Gold Jewelry
By Cartier
Located in Torrance, CA
heart design is set with diamonds to one of the hearts. The ring is a smaller size (EU 47 or US 4) and
Category

21st Century and Contemporary Unknown Contemporary Band Rings

Materials

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

4 Carat Treated Ruby and Diamond 14 Karat Yellow Gold Cocktail Ring
Located in New York, NY
gram Stamped 14K Ring Size 5 ( can be altered for no charge ) Large 4 carat oval shape ruby Treated
Category

2010s Solitaire Rings

Materials

Diamond, Ruby, 14k Gold, Yellow Gold

4 Carat Natural Ruby and Diamond 18 Karat White Gold Cocktail Ring
Located in New York, NY
Approximately 4 Carat Natural Ruby And Diamond 18 Karat White Gold Ring Size 5 prong set 18 K
Category

Early 2000s Solitaire Rings

Materials

Diamond, Ruby, 18k Gold, White Gold

Rose Gold Twisted Vine 3/4 Carat Diamond Engagement Ring
Located in Santa Barbara, CA
encrusted vine band and halo enhance the sparkling 3/4 carat natural round diamond with its contemporary
Category

21st Century and Contemporary Contemporary Engagement Rings

Materials

Diamond, 14k Gold, Rose Gold

Estate Emerald Diamond Gold Ring
Located in Beverly Hills, CA
An estate sparkler with a 4.32 carat emerald cut emerald. Bezel set and surrounded by a swirl of
Category

Mid-20th Century Cocktail Rings

Materials

Diamond, Emerald, 18k Gold, Yellow Gold

4 Carat Emerald Cut Colombian Emerald & 5.5 Ct Diamond Ring in Platinum Size 6
Located in New York, NY
**4 Carat Emerald Cut Colombian Emerald & 5.5 Ct Diamond Ring in Platinum Size 6** A classic ring
Category

2010s Engagement Rings

Materials

Diamond, Emerald, Platinum

8.48 Rose Quartz and Diamond Cocktail Statement Ring Estate Fine Jewelry
Located in Montreal, QC
Stunning solitaire Cocktail ring featuring an 8.48 Carat oval Buff-Top Rose Quartz measuring approx
Category

2010s Contemporary Cocktail Rings

Materials

Diamond, Quartz, Rhodium, Sterling Silver

Vintage 4 Carat Cat's Eye Indicolite Tourmaline and Diamond Cocktail Ring
Located in Santa Barbara, CA
vintage stunner. The cabochon weighing 4 carats exhibiting a distinct "winking" like a feline's eye
Category

Vintage 1980s Artisan Cocktail Rings

Materials

Diamond, Tourmaline, Indicolite, 18k Gold, Platinum

Estate 7.50 Carat Green Tourmaline Cabochon and Pave' Diamond Ring in 18K YG
Located in Long Beach, CA
STYLE / REFERENCE: Pinky Ring METAL / MATERIAL: 18 KT Yellow Gold CIRCA / YEAR: Estate CENTER
Category

Vintage 1980s American Modern Fashion Rings

Materials

Diamond, Tourmaline, 18k Gold

4 Carat Emerald Cut Natural Emerald & 1 Ct Diamond 14 Karat Gold Cocktail Ring
Located in New York, NY
A classic, Cocktail ring Approximately 4 Carat Emerald and Diamond Ring, Estate Gold: 14 Karat
Category

2010s Cocktail Rings

Materials

Diamond, Emerald, 14k Gold

Estate Diamond White Gold Eternity Ring
Located in Los Angeles, CA
grams. RING SIZE: approximately 5 ½. MEASUREMENTS: 4 mm wide overall. CONDITION: high
Category

1990s Contemporary Wedding Rings

Materials

Diamond, 14k Gold, White Gold

3.15 Carat Natural Mexican Fire Opal and Diamond Estate Ring Made in Platinum
Located in Tokyo, JP
A beautiful ring featuring a 3.15 Carat Natural Mexican Fire Opal and 0.22 Carats of Diamond
Category

20th Century Japanese Modern Cocktail Rings

Materials

Diamond, Opal, Fire Opal, Platinum

Oval Cut 0.86 Carat Diamond Engagement Ring Estate 14 Karat Gold Fine Bridal
Located in Torrance, CA
(estimated at I-J color and VS2-SI1 clarity). Size & Measurements: The ring is a size 6 3/4 (sizable). The
Category

Mid-20th Century Unknown Modern Solitaire Rings

Materials

Diamond, White Diamond, 14k Gold, White Gold

7.5 Carat Natural 4 Oval Cut Emerald & Diamond Flower Ring 18 Karat Yellow Gold
Located in New York, NY
A classic, Cocktail ring 7.5 Carat Natural 4 Oval Cut Emerald & Diamond Flower Ring 18 Karat
Category

2010s Solitaire Rings

Materials

Diamond, Emerald, 18k Gold, Yellow Gold

Estate Sapphire Diamond Gold Band Ring
Located in Napoli, Italy
CONDITION: Pre-owned - Excellent METAL: 18k white Gold RING SIZE: US 7 1/4 - IT 15 - FR 55 - UK O
Category

Late 20th Century Italian Band Rings

Materials

Diamond, Sapphire, Gold, 18k Gold

Estate Certified Unheated Ruby Diamond Ring
Located in Napoli, Italy
carats RING SIZE: US 6 - IT 12 - FR 52 - UK M, Resizable on request, free of charge WEIGHT: 4 grams
Category

Late 20th Century Contemporary Engagement Rings

Materials

Diamond, Ruby, 18k Gold

Estate Diamond Band Wide Ring, White Gold, Wedding Band, Four Diamond Ring
Located in Austin, TX
engagement ring. Diamond Number: 4 Total Diamond Weight: .40 Carats Diamond Shape: Round Brilliant Diamond
Category

Vintage 1950s American Retro Wedding Rings

Materials

Diamond, Gold, 14k Gold, White Gold

Estate Sugarloaf Colombian Emerald Diamond Engagement Ring
Located in Santa Barbara, CA
This classic Art Deco era gemstone engagement ring centers on a gorgeous 3 carat Colombian emerald
Category

Vintage 1920s Colombian Art Deco Engagement Rings

Materials

Diamond, Emerald, Platinum

TIFFANY & CO. Estate 18k White Gold Diamond Open Atlas Ring
By Tiffany & Co.
Located in Narberth, PA
A beautiful Tiffany & Co. estate ring. The ring is from the Atlas collection and shows round
Category

21st Century and Contemporary Contemporary Engagement Rings

Materials

Diamond, Gold, 18k Gold, White Gold

2 Carat Jade Jadeite Solitaire Platinum Cocktail Ring
Located in Montreal, QC
Carat Oval Cabochon Jadeite Jade. Hand crafted Platinum mounting. Ring size 4, we offer ring resizing
Category

21st Century and Contemporary Modern Cocktail Rings

Materials

Jade, Platinum

Art Deco Inspired Turquoise, Onyx and Diamond Cocktail Ring
By Bella Rosa Estate Jewelers
Located in Santa Barbara, CA
: 7 3/4, sizing available Rise Above Finger: 9mm Ring Face: 17mm T x 15mm W Band Width: 2mm Weight
Category

2010s Art Deco Cocktail Rings

Materials

Onyx, Turquoise, Diamond, Platinum

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4 Carat Estate Ring For Sale on 1stDibs

On 1stDibs, you can find the most appropriate 4 carat estate ring for your needs in our varied inventory. Each design created in this style — which was crafted with great care and often made from Gold, Platinum and 18k Gold — can elevate any look. In our selection of items, you can find a vintage example as well as a contemporary version. If you’re looking for a 4 carat estate ring from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 18th Century while another version may have been produced 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. There have been many well-made iterations of the classic 4 carat estate ring over the years, but those made by Five Star Jewelry, Emeralds Maravellous and Coach House are often thought to be among the most beautiful. A 4 carat estate ring can make for a versatile accessory, but a selection from our variety of 660 Diamond versions can add an especially stylish touch. A mixed cut version of this piece has appeal, but there are also oval cut and round cut versions for sale. Finding a 4 carat estate ring for sale for women should be easy, but there are 132 pieces available to browse for unisex as well as men, too.

How Much is a 4 Carat Estate Ring?

Prices for a 4 carat estate ring can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $199 and can go as high as $723,930, while this accessory, on average, fetches $5,946.

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 4 Carat Estate Ring
  • 1stDibs ExpertApril 5, 2022
    Whether or not a 4-carat ring is big is largely a matter of personal opinion. However, 4-carat stones usually do have larger dimensions. Diamonds of this size are usually quite expensive due to their size. Shop a large selection of gemstone rings on 1stDibs.