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4 Karat Engagement Ring

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14 Karat Diamond Engagement Ring
Located in Palm Desert, CA
14 Karat White Gold Diamond Engagement Ring. Simple and elegant illusion-set diamond, 4-prong set
Category

Vintage 1980s American Retro Engagement Rings

Materials

Diamond, 14k Gold, White Gold, Gold

TJD 0.66 Carat 18 Karat White Gold 4 Prong Diamond Engagement Ring
By TJD
Located in New York, NY
commitment. Crafted in 18 karat white gold, this engagement ring features 0.38 ct centre stone and 0.28 ct of
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, White Gold

Privosa IGI Certified 14 Karat White Gold Engagement Ring 3/4 CTTW
By Privosa Fine Jewelry
Located in Houston, TX
sides and the shimmering scalloped halo. The ring is crafted in luxurious 14 karat white gold. The
Category

2010s American Modern Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Diamond 18 Karat Gold Engagement Ring
By Emma Chapman
Located in Frome, Somerset
This adorable one of a kind ring Emma Chapman Diamond 18 Karat Gold Engagement Ring, has been
Category

21st Century and Contemporary British Contemporary Engagement Rings

Materials

Diamond, Gold, 18k Gold

0.95 Carat Round Diamond Twisted 18 Karat White Gold 4 Prong Engagement Ring
By Hasbani Diamonds
Located in London, GB
ring. Handmade in 18 Karat White Gold, with a total of 0.95 Carat White Diamond. Set in an open gallery
Category

2010s British Modern Engagement Rings

Materials

Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, Tanzanite...

0.83 Carat Round Diamond Twisted 18 Karat White Gold 4 Prong Engagement Ring
By Hasbani Diamonds
Located in London, GB
ring. Handmade in 18 Karat White Gold, with a total of 0.83 Carat White Diamond. Set in an open gallery
Category

2010s British Modern Engagement Rings

Materials

Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, Tanzanite...

1.20 Carat Round Diamond Twisted 18 Karat White Gold 4 Prong Engagement RIng
By Hasbani Diamonds
Located in London, GB
ring. Handmade in 18 Karat White Gold, with a total of 1.20 Carat White Diamond. Set in an open gallery
Category

2010s British Modern Engagement Rings

Materials

Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, Tanzanite...

1.45 Carat Round Diamond Twisted 18 Karat White Gold 4 Prong Engagement Ring
By Hasbani Diamonds
Located in London, GB
ring. Handmade in 18 Karat White Gold, with a total of 1.45 Carat White Diamonds. Set in an open
Category

2010s British Modern Engagement Rings

Materials

Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, Tanzanite...

1.68 Carat Round Diamond Twisted 18 Karat White Gold 4 Prong Engagement Ring
By Hasbani Diamonds
Located in London, GB
ring. Handmade in 18 Karat White Gold, with a total of 1.68 Carat White Diamonds. Set in an open
Category

2010s British Modern Engagement Rings

Materials

Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, Tanzanite...

2.18 Carat Round Diamond Twisted 18 Karat White Gold 4 Prong Engagement Ring
By Hasbani Diamonds
Located in London, GB
ring. Handmade in 18 Karat White Gold, with a total of 2.18 Carat White Diamonds. Set in an open
Category

2010s British Modern Engagement Rings

Materials

Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, Tanzanite...

0.50 Carat Round Diamond Twisted 18 Karat White Gold 4 Prong Engagement Ring
By Hasbani Diamonds
Located in London, GB
ring. Handmade in 18 Karat White Gold, with a total of 0.51 Carat White Diamond. Set in an open gallery
Category

2010s British Modern Engagement Rings

Materials

Topaz, Multi-gemstone, Peridot, Ruby, Sapphire, Blue Sapphire, Pink Sapp...

0.70 Carat Round Diamond Twisted 18 Karat White Gold 4 Prong Engagement Ring
By Hasbani Diamonds
Located in London, GB
ring. Handmade in 18 Karat White Gold, with a total of 0.70 Carat White Diamond. Set in an open gallery
Category

2010s British Modern Engagement Rings

Materials

Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, Tanzanite...

TJD 0.75 Carat Round Diamond 18 Karat White Gold 4 Prong Engagement Ring
By TJD
Located in New York, NY
Truly exquisite, this diamond engagement ring is sure to be admired for the inherent classic beauty
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, White Gold

2.10 Carat 18 Karat Engagement Round Diamond Trilogy 4 Prongs Three-Stones Ring
By Hasbani Diamonds
Located in London, GB
18 karat white gold, the ring has a British Hallmark. These rings can be completely customisable
Category

2010s British Modern Engagement Rings

Materials

Pink Diamond, Black Diamond, Emerald, Garnet, Multi-gemstone, Peridot, R...

TJD 0.50 Carat Round Diamond 18 Karat White Gold 4 Prong Engagement Ring
By TJD
Located in New York, NY
This engagement ring features 0.33 ct of centre stone and 0.17 ct of lined diamonds. Expertly
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, White Gold

0.40 Carat Round Diamond Twisted 18 Karat White Gold 4 Prong Engagement Ring
Located in London, GB
ring. Handmade in 18 Karat White Gold, with a total of 0.40 Carat White Diamond. Set in an open gallery
Category

2010s British Modern Engagement Rings

Materials

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

0.40 Carat Round Diamond Twisted Love 18 Karat Rose Gold 4 Prong Engagement Ring
By Hasbani Diamonds
Located in London, GB
ring. Handmade in 18 Karat Rose Gold, with a total of 0.40 Carat White Diamonds. Set in an open gallery
Category

2010s British Modern Engagement Rings

Materials

Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, Tanzanite...

1.20 Carat Round Diamond Twisted 18 Karat Rose Gold 4 Prong Engagement Love Ring
By Hasbani Diamonds
Located in London, GB
ring. Handmade in 18 Karat Rose Gold, with a total of 1.20 Carat White Diamond. Set in an open gallery
Category

2010s British Modern Engagement Rings

Materials

Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, Tanzanite...

0.95 Carat Round Diamond Twisted 18 Karat Rose Gold 4 Prong Love Engagement Ring
By Hasbani Diamonds
Located in London, GB
ring. Handmade in 18 Karat Rose Gold, with a total of 0.95 Carat White Diamond. Set in an open gallery
Category

2010s British Modern Engagement Rings

Materials

Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, Tanzanite...

Blue Spinel 18 Karat Gold Engagement Ring
By Emma Chapman
Located in Frome, Somerset
This stunning one of a kind ring Emma Chapman Blue Spinel 18 Karat Gold Engagement Ring, has
Category

21st Century and Contemporary Indian Contemporary Engagement Rings

Materials

Spinel, Gold, 18k Gold

2 Finger Ring 4 Carats Emerald Cut Diamond Engagement Ring Certified
Located in New York, NY
Two finger ring Jazlyn 4 Carats Emerald Cut Diamond Engagement Ring in 14k Rose Gold By Mike Nekta
Category

2010s American Engagement Rings

Materials

Diamond, 14k Gold, Rose Gold

Vera Wang Love Diamond Engagement Ring 3/4 Carat in 14 Karat White Gold
By Vera Wang
Located in San Diego, CA
VERA WANG BRIDAL LOVE COLLECTION Style: LOVE 3/4 TCW Halo Diamond Engagement Ring Sku Number
Category

2010s American Engagement Rings

Materials

Diamond, 14k Gold, White Gold

14 Karat White Gold Diamond Engagement Ring
Located in Washington Depot, CT
14 Karat White Gold Diamond Engagement Ring Size 4.5- This sparkling ring features one round old
Category

20th Century Engagement Rings

Materials

Diamond, White Gold

4 Carat Round Brilliant Diamond Engagement Ring Certified Y
Located in New York, NY
Center Earth Mined Diamond: Carat Weight: 1.00 Carat Color: Yellow Style: Round Brilliant Cut Ring
Category

2010s American Engagement Rings

Materials

Yellow Diamond, Diamond, White Gold, 18k Gold

Engagement Ring Emerald Diamond White Gold 18 Karat
Located in Vannes, FR
18 karat white gold engagement ring, with its spectacular octagonal emerald and sparkling diamonds
Category

21st Century and Contemporary French Modern Engagement Rings

Materials

Diamond, Emerald, 18k Gold, White Gold

14 Karat White Gold Interlocking Engagement Ring Guard
Located in Stamford, CT
14 Karat White Gold Interlocking Engagement Ring Guard Size 6.5. 28 piece round diamonds 6.6 grams
Category

2010s Modern Engagement Rings

Materials

Diamond, 14k Gold

Rose Gold Twisted Vine 3/4 Carat Diamond Engagement Ring
Located in Santa Barbara, CA
Capture her heart with this exquisite solitaire diamond engagement ring. The twisted, diamond
Category

21st Century and Contemporary Contemporary Engagement Rings

Materials

Diamond, 14k Gold, Rose Gold

4 Carat Round Brilliant Diamond Engagement Ring Certified G VS2
Located in New York, NY
Cut Ring: Total Carats:3.96 Carats Metal: 18 karat White Gold 5.80 Grams Diamonds: 0.93 Carats Style
Category

2010s American Engagement Rings

Materials

Diamond, 18k Gold, White Gold

14 Karat White Gold Diamond Engagement Bridal Ring
Located in Stamford, CT
14Kt White Gold Diamond Engagement Bridal Ring 1.20 Total Diamond Weight Size 6.75 4 grams total
Category

2010s Modern Engagement Rings

Materials

Diamond, 14k Gold

Engagement Ring Diamonds Carats White Gold 18 Karat
Located in Vannes, FR
Discover the magnificent engagement ring in 18-carat 750/1000 white gold, specially designed to
Category

21st Century and Contemporary French Art Deco Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Engagement Ring Ruby Diamonds White Gold 18 Karat
Located in Vannes, FR
magnificent 18-carat white gold engagement ring. Showcasing a 2.06 carat oval ruby, carefully selected for its
Category

21st Century and Contemporary French Contemporary Engagement Rings

Materials

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

Engagement Ring Tourmaline Diamond Rose Gold 18 Karat
Located in Vannes, FR
Discover the dazzlingly elegant Rose Gold Engagement Ring, a true marvel created by the prestigious
Category

21st Century and Contemporary French Artisan Engagement Rings

Materials

Diamond, Tourmaline, Gold, 18k Gold, Rose Gold

1 1/4 Ct Oval Natural Ceylon Blue Sapphire Engagement Ring in 18 Karat Gold, MEN
Located in New York, NY
Oval Natural Blue Sapphire & Diamond Engagement Ring in 18 Karat Yellow Gold Approximately 1 1/4
Category

Early 2000s Engagement Rings

Materials

Diamond, Blue Sapphire, Gold, 18k Gold

14 Karat White Gold Diamond Cluster Engagement Ring
Located in Scottsdale, AZ
Clarity: SI1-I1 Dimensions: ring top measures 10mm wide Ring Size: 4 (complimentary sizing available
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Engagement Ring White Diamonds White Gold 18 Karat
Located in Vannes, FR
Let yourself be enchanted by the timeless splendor of this sumptuous Engagement Ring adorned with
Category

21st Century and Contemporary Unknown Engagement Rings

Materials

White Diamond, 18k Gold, White Gold

Diamonds, Emerald, 18 Karat White Gold Engagement Ring
Located in Marcianise, Marcianise (CE)
, ITEMS AT AUCTIONS AND ONGOING PROMOTIONS. Beautiful engagement ring in 18 kt white gold structure
Category

21st Century and Contemporary Italian Modern Engagement Rings

Materials

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

Diamonds, Emerald, 18 Karat White Gold Engagement Ring
Located in Marcianise, Marcianise (CE)
, ITEMS AT AUCTIONS AND ONGOING PROMOTIONS. Gorgeous engagement ring in 18 kt white gold structure
Category

21st Century and Contemporary Italian Modern Engagement Rings

Materials

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

14 Karat Yellow Gold Quadset Diamond Engagement Ring
Located in Scottsdale, AZ
Designer: custom Material: 14K yellow gold Center Diamond: 4 princess cut = .40cttw Color: G
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 14k Gold, Yellow Gold

Eighteen Karat White Gold Contemporary Engagement Ring with Sapphires
By Polya Medvedeva Jewellery
Located in Berlin, DE
This contemporary Lily of The Valley engagement Ring is made of 18 karat white gold and 4 round
Category

21st Century and Contemporary German Contemporary Engagement Rings

Materials

Sapphire, Blue Sapphire, Gold, 18k Gold, Rose Gold, White Gold, Yellow Gold

4 Carat Radiant Cut Diamond Engagement Ring GIA Certified FVP VVS1
Located in New York, NY
Rebecca 4 Carat Fancy Vivid Pink VVS1 Radiant Cut Diamond Engagement Ring in 18k White Gold By Mike
Category

2010s American Engagement Rings

Materials

Diamond, Pink Diamond, 18k Gold, White Gold

Handcraft Trilogy Diamond 18 Karat White Gold Engagement Ring
By SCALA GIOIELLI
Located in Marcianise, IT
message to solve the problem. Trilogy 18 karat white gold engagement ring.Handmade by our artisans
Category

21st Century and Contemporary Italian Artisan Engagement Rings

Materials

Diamond, 18k Gold, White Gold

18 Karat White Gold GIA Rose Diamond Engagement Ring
By Thomas Kurilla Jewelry
Located in New York, NY
18 Karat White Gold GIA Rose Diamond Engagement Ring, Tiffany Designer , Thomas Kurilla goes back
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, 18k Gold, White Gold

18 Karat Pink Gold Rose GIA Diamond Engagement Ring
By Thomas Kurilla Jewelry
Located in New York, NY
18 Karat Pink Gold GIA Rose Diamond Engagement Ring, Tiffany Designer , Thomas Kurilla goes back to
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Gold, 18k Gold, Rose Gold

18 Karat Yellow Gold GIA Rose Diamond Engagement Ring
By Thomas Kurilla Jewelry
Located in New York, NY
18 Karat Yellow Gold GIA Rose Diamond Engagement Ring, Tiffany Designer , Thomas Kurilla goes back
Category

2010s Contemporary Engagement Rings

Materials

Diamond, Yellow Gold

14 Karat White Gold Princess Cut Diamond Engagement Ring
Located in Washington Depot, CT
Vintage 14 Karat White Gold Princess Cut Diamond Engagement Ring Size 5.75- This sparking
Category

20th Century Engagement Rings

Materials

Diamond, White Gold

14 Karat White Gold Princess Cut Diamond Engagement Ring
Located in Washington Depot, CT
Vintage 14 Karat White Gold Princess Cut Diamond Engagement Ring Size 5.75- This sparkling
Category

20th Century Unknown Engagement Rings

Materials

Diamond, White Gold

14 Karat White Gold Princess Cut Diamond Engagement Ring
Located in Washington Depot, CT
Vintage 14 Karat White Gold Princess Cut Diamond Engagement Ring Size 5.25- This sparkling
Category

20th Century Unknown Engagement Rings

Materials

Diamond, White Gold

4 Carat Oval Cut Diamond Engagement Ring GIA Certified F VVS1
Located in New York, NY
, & 4 Round Prong Metal: 18 Karat White Gold Style: Combine Mix Shape Diamonds: 1.15 Carats Size: Can be
Category

2010s American Engagement Rings

Materials

Diamond, 18k Gold, White Gold

4 Carat Heart Shaped Diamond Engagement Ring GIA Certified FVP SI1
Located in New York, NY
This heart-shaped ring is a gorgeous piece of jewelry that features high-quality 18-karat white
Category

2010s American Engagement Rings

Materials

Pink Diamond, Diamond, 18k Gold, White Gold

4 Carat Pear Shape Diamond Engagement Ring EGL Certified G VS1
Located in New York, NY
: Pear Shape Ring: Carat Weight: 0.68 Carats Style: Round Brilliant Cut Metal: 18 Karat White Gold
Category

2010s American Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Engagement Ring White Diamonds Bouquet White Gold 18 Karat
Located in Vannes, FR
. This Bouquet Engagement Ring in White Diamonds and White Gold embodies the very essence of luxury and
Category

21st Century and Contemporary French Artisan Engagement Rings

Materials

White Diamond, 18k Gold, White Gold

French Engagement Ring Yellow Diamond White Gold 18 Karat
Located in Vannes, FR
Ring, French Engagement Yellow Diamond Surrounded, Two Diamond, White Gold Color appears
Category

21st Century and Contemporary French Modern Engagement Rings

Materials

Yellow Diamond, Diamond, 18k Gold, White Gold

14 Karat White Gold Quad Set Diamond Engagement Ring
Located in Scottsdale, AZ
Designer: custom Material: 14K white gold Diamond: 4 princess cut = 0.48cttw Color: G Clarity: SI1
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 14k Gold, White Gold

14 Karat White Gold Quad-Set Diamond Engagement Ring
Located in Scottsdale, AZ
Designer: Custom Material: 14K white gold Diamond: 4 trillion cut = 0.50cttw Color: G Clarity SI1
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 14k Gold, White Gold

14 Karat White Gold Princess Cut Diamond Engagement Ring
Located in Washington Depot, CT
14K White Gold Princess Cut Diamond Engagement Ring Center princess cut diamond with 10 princess
Category

Early 2000s Engagement Rings

Materials

Diamond, 14k Gold

Vintage 14 Karat Yellow Gold and Diamond Engagement Ring
Located in beverly hills, CA
karat yellow gold. Current ring size 4 1⁄2 and may be resized.
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 14k Gold, Yellow Gold

Platinum 0.25 Carat Round Diamond Twisted Love 4 Prong Bespoke Engagement Ring
By Hasbani Diamonds
Located in London, GB
For a beautifully entwined journey together, this gleaming twisted vine modern classic engagement
Category

2010s British Modern Engagement Rings

Materials

Yellow Diamond, Pink Diamond, Black Diamond, Emerald, Garnet, Multi-gems...

14 Karat White Gold Quad Set Diamond Engagement Ring
Located in Scottsdale, AZ
Material: 14k white gold Center Diamond: 4 princess cut = .40ct Color: H Clarity: SI1 Diamonds: 8
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Platinum 0.40 Carat Round Diamond Twisted Love 4 Prong Bespoke Engagement Ring
By Hasbani Diamonds
Located in London, GB
, Green Tourmaline. Great for birthstones gift idea. Please allow up to 4 weeks for making this ring when
Category

2010s British Modern Engagement Rings

Materials

Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, Tanzanite...

14 Karat White Gold Round Brilliant Diamond Engagement Ring
Located in Scottsdale, AZ
brilliant cuts = 0.75cttw Color: G Clarity: VS Ring Size: 4 ½ (please allow two additional shipping days for
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 14k Gold, White Gold

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4 Karat Engagement Ring For Sale on 1stDibs

Surely you’ll find the exact 4 karat engagement ring you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Frequently made of gold, white gold and 18k gold, this item was constructed with great care. You can easily find a 1975 antique edition and 1915 modern creations to choose from as well. Finding the perfect 4 karat engagement ring may mean sifting through those created during different time periods — you can find an early version that dates to the 18th Century and a newer variation that were made as recently as the 21st Century. Finding an appealing 4 karat engagement ring — no matter the origin — is easy, but DGI, Sunita Nahata and Five Star Jewelry each produced a popular version that is worth a look. While most can agree that any 4 karat engagement ring from our collection can easily elevate most outfits, but the choice of a diamond version from the 2808 available is guaranteed to add a special touch to your ensemble. See these pages for a round cut iteration of this accessory, while there are also oval cut cut and old european cut cut versions available here, too. Most of our 4 karat engagement ring for sale are for women, but there are 830 pieces available to browse for men.

How Much is a 4 Karat Engagement Ring?

Prices for a 4 karat engagement ring can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $145 and can go as high as $337,500, while this accessory, on average, fetches $3,201.

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 Bvlgari 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 Karat Engagement Ring
  • 1stDibs ExpertNovember 8, 2023
    The 4Cs of engagement rings are cut, color, clarity and carat weight, but this doesn�t pertain solely to engagement rings. Established by the Gemological Institute of America (GIA), the 4Cs are the guidelines that determine how diamonds are graded. A diamond�s cut pertains to how the stone�s facets interact with the light. There are five main categories of color (judged on the tone and saturation): colorless, near colorless, faint, very light and light. According to the GIA, �clarity is the relative absence of inclusions and blemishes� in a diamond (inclusions are internal features and blemishes refers to surface irregularities). Also per the GIA, �Diamonds are weighed to a thousandth (0.001) of a carat and then rounded to the nearest hundredth, or point. Over a carat, diamond weights are usually expressed in carats and decimals.� Keep in mind that because a three-carat gem can be less valuable then a one-carat stone, weight is not the most important signifier of a stone�s value. Explore a large collection of engagement rings on 1stDibs.