What is a round diamond?

A round diamond, often known as a round brilliant cut, is widely recognized as a symbol of devotion. The round brilliant cut is the most classic of all stone cuts. Circular with 58 facets, the stone is cut to maximize its brilliance. Anything that is not a round cut is called a fancy cut. Round brilliant stones have been popular since the early 1900s. Shop a collection of vintage and modern diamond jewelry from some of the world’s top jewellers on 1stDibs.

Is there a three-carat diamond?

Yes, there are three-carat diamonds, and you can find them from a number of different jewelers and other retailers. Find an assortment of diamond jewelry from the world’s top sellers on 1stDibs.

What is a 24-carat diamond?

A 24-carat diamond is a precious diamond gemstone that weighs 24 carats. One carat weighs 200 milligrams, meaning a 24-carat diamond weighs roughly 4.8 grams. That equates to roughly 0.17 ounces. On 1stDibs, shop a variety of diamond jewelry.

How big is a 12 carat diamond?

The size of a 12 carat diamond is dependent on diamond cut. A 12 carat round diamond is roughly 15 mm in size.

What is 1 carat diamond worth?

Depending on the quality, age, and designer, a 1-carat diamond can cost between $1,300 and $16,500.

What is a 7 carat diamond worth?

A 7-carat diamond can cost anywhere between $12,000 and $185,000 depending on the quality of the stone. The fewer imperfections, the more expensive the diamond. Some 7-carat diamonds can cost more than $400,000.

What is a 9 carat diamond worth?

A 9-carat diamond’s worth varies depending on the 4Cs of diamond quality — color, cut, clarity and carat. On average, a 9-carat diamond could cost you between $19,000 to $1,000,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 9-carat diamond jewelry from different periods and styles to choose from.

What is a 3 carat diamond worth?

A 3-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 3-carat diamond could cost you between $7,200 to $51,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 3-carat diamond jewelry today.

How large is a 3-carat diamond?

In terms of dimensions, how large a 3-carat diamond is varies. The shape of the diamond will determine its length and width. Weighing 600 milligrams, diamonds that are 3 carats are generally considered to be large stones. On 1stDibs, shop a large collection of diamond jewelry from some of the world's top dealers.

How many carats should a diamond necklace be?

There is no hard-and-fast rule for how many carats a diamond necklace should be. On average, solitaire diamond necklaces range from 0.5 to 1 carat, but you can find pieces with larger and smaller stones. Tennis chains that feature continuous diamonds set into links usually have much higher total carat weights. For example, one might feature 60 individual diamonds, each 0.20 carats in size, for a total carat weight of 12.0 carats. Shop a wide range of diamond necklaces on 1stDibs.

How rare is a nine-carat diamond?

A nine-carat diamond is considered rare and holds a premium price. Because of their rarity and size, nine-carat diamonds are a coveted choice for engagement rings. One of the most famous nine-carat diamond rings belongs to actress Kate Hudson, who has a nine-carat emerald cut diamond complemented with tapered baguettes on a platinum band. Shop a selection of diamond jewelry on 1stDibs.

Is a two-carat diamond rare?

Yes, a two-carat diamond is generally rarer than a smaller diamond, especially high-quality two-carat diamonds. When larger diamonds are found in nature, they usually have flaws. And prices per carat don’t increase as weight increases. A three-carat gem can be less valuable than a one-carat stone, for example, if all of the other attributes are of lesser quality in the larger diamond. Shop an assortment of diamond jewelry from some of the world’s top jewelers on 1stDibs.

What is a 4 carat diamond worth?

A 4-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 4-carat diamond could cost you between $8,400 to $71,500. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 4-carat diamond jewelry.

What is a 5 carat diamond worth?

A 5-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 5-carat diamond could cost you between $9,600 to $67,500. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 5-carat diamond jewelry.

What is a 6 carat diamond worth?

A 6-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 6-carat diamond could cost you between $15,000 to $80,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 6-carat diamond jewelry.

What is an 8 carat diamond worth?

An 8-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On an average an 8-carat diamond could cost you between $17,500 to $90,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 8-carat diamond jewelry from different periods and styles to choose from.

What is the value of a 25 carat diamond?

The minimum value of a 25-carat diamond ranges from $300 to $1,400. The prices change subject to the fluctuation of market factors. The value is defined based on the 4Cs — color, clarity, cut and carat weight. Shop antique, vintage and new diamond jewelry on 1stDibs.

Is a 1.5-carat diamond too big?

Whether a 1.5-carat diamond is too big depends on the type of jewelry in question and your personal preferences. A single stud earring that is 1.5 carats is rather large and would cover the entire earlobe. In terms of rings, a 1.5-carat diamond is larger than average. Find a variety of diamond jewelry on 1stDibs.

How many cuts are in a round diamond?

There are a total of 58 cuts or facets on a round diamond. The 32 on the crown include eight star facets, 16 upper girdle facets and eight kite facets. On the pavilion, there are 25 facets made up of the lower girdle and pavilion main facets. Find a wide range of diamond jewelry on 1stDibs.

What is a round brilliant cut diamond?

A brilliant cut diamond is a diamond cut to maximize its brilliance. This diamond shape has 57 facets, round brilliant cut diamonds are among the most popular styles of engagement rings. This cut is known for, when compared to other cuts, most closely mimicking the natural contours of a rough diamond crystal.

Carat Round Diamond

20 Carat Ring

Platinum Diamond Eternity Band Ring

Flawless Engagement Ring

Diamond Bezel Pendant

Round Earrings

Bezel Solitaire

Triple Excellent

Antinori Flawless Round

Category

2010s Engagement Rings

Materials

Diamond, 14k Gold

0.33 Total Carat Round Diamond Prong-Set Engagement Ring

Flawless GIA Certified 10.41 Carat Round Diamond Platinum Ring

By Antinori Fine Jewels

Located in Rome, IT

An exquisite 10.41 carat round diamond ring with two side large pear cut diamonds Handmade in

Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, Platinum

Flawless GIA Certified 10.41 Carat Round Diamond Platinum Ring

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

1.02 Carat Round Diamond Three Stone Engagement Ring

GIA Certified 4 Carat Round Diamond Studs

By Antinori Fine Jewels

Located in Rome, IT

Elevate your style with these breathtaking GIA certified 4 carat round diamond stud earrings

Category

2010s Unknown Contemporary Stud Earrings

Materials

Diamond, White Diamond, Platinum

GIA Certified 4 Carat Round Diamond Studs

Roman Malakov 0.15 Carat Round Diamond Fashion Earring

By Roman Malakov

Located in New York, NY

A simple and versatile solitaire invisible set fashion earring showcasing a single 0.15 carat round

Category

21st Century and Contemporary American Contemporary Hoop Earrings

Materials

Diamond, 18k Gold, White Gold

Roman Malakov 0.15 Carat Round Diamond Fashion Earring

L 1.97 in

Vintage 0.50 Carat Round Diamond Engagement Ring 14k Gold

Located in Miami, FL

Vintage 0.50 Carat Round Diamond Engagement Ring 14k Gold. The center diamond is high quality and

Category

Vintage 1980s Engagement Rings

Materials

Diamond, 14k Gold

Vintage 0.50 Carat Round Diamond Engagement Ring 14k Gold

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1.76 Carat Round Diamond Platinum Eternity Wedding Band Ring

Located in Stamford, CT

1.76 carat round diamonds in an eternity platinum common prong wedding band setting. 20 round

Category

21st Century and Contemporary Band Rings

Materials

Diamond, Platinum

1.76 Carat Round Diamond Platinum Eternity Wedding Band Ring

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

1.25 Total Carat Round Diamond Three Stone Engagement Ring

1.82 Carat Round Diamond Circle of Life Pendant Necklace

Located in New York, NY

1.82 Carat Round Diamond Circle Of Life Pendant Necklace -Material: 18K White Gold; -Circle Width

Category

2010s Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold

1.82 Carat Round Diamond Circle of Life Pendant Necklace

L 16 in

GIA Certified 4.50 Carat Round Diamond Platinum Ring Triple Excellent Cut

By Antinori Fine Jewels

Located in Rome, IT

GIA Certified 4.50 Carat Round Diamond Ring F COLOR VS2 CLARITY Triple excellent polish and

Category

2010s Unknown Contemporary Engagement Rings

Materials

Diamond, White Diamond, Platinum

GIA Certified 4.50 Carat Round Diamond Platinum Ring Triple Excellent Cut

14K Yellow Gold Men's Ring 0.75 Carat Round Diamonds

Located in Los Angeles, CA

14K Yellow Gold Men's Ring 0.75 Carat Round Diamonds. The diamonds are graded as SI Clarity and G-H

Category

2010s Band Rings

Materials

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

14K Yellow Gold Men's Ring 0.75 Carat Round Diamonds

0.50 Carat Round Diamond Rings In 14k White Gold

Located in Chicago, IL

Introducing a classic symbol of elegance and refinement: our stunning 0.50 carat Round Diamond Ring

Category

2010s American Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, 14k Gold, White Gold

0.50 Carat Round Diamond Rings In 14k White Gold

Yellow Gold Flexible Bracelet Bangle 1.50 Carat Round Diamonds

Located in Los Angeles, CA

Flexible Bracelet Bangle 1.50 Carat Round Diamonds. Graded as SI Clarity and G-H color in a prong

Category

2010s Bangles

Materials

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

Yellow Gold Flexible Bracelet Bangle 1.50 Carat Round Diamonds

3.16 Carat Round Diamond D Internally Flawless Solitaire Platinum Ring

Located in Geneva, CH

Stunning Solitaire Platinum Ring centered by a 3.16 carat Round Diamond D Internally Flawless with

Category

2010s French Art Deco Engagement Rings

Materials

Diamond, Platinum

3.16 Carat Round Diamond D Internally Flawless Solitaire Platinum Ring

Platinum 8 Carat Round Diamond Cluster Clip Earrings

Located in New York, NY

Platinum 8 Carat Round Diamond Cluster Clip Earrings. Lovely estate earrings that are perfect for

Category

20th Century American Modern Clip-on Earrings

Materials

Diamond, Platinum

Platinum 8 Carat Round Diamond Cluster Clip Earrings

Modern 2.25 Carat Round Diamonds Cross Pendant 14k White Gold

Located in Miami, FL

Modern 2.25 Carat Round Diamonds Cross Pendant 14k White Gold. The diamonds are white color clean

Category

Early 2000s Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold

Modern 2.25 Carat Round Diamonds Cross Pendant 14k White Gold

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GIA Certified 7.03 Carat Round Diamond Solitaire Engagement Ring

By Roman Malakov

Located in New York, NY

A classic six-prong solitaire engagement ring set with a brilliant 7.03 carat round diamond

Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Platinum

GIA Certified 7.03 Carat Round Diamond Solitaire Engagement Ring

3.82 Carat Round Diamond Platinum Engagement Ring Handmade

By H & H Jewels

Located in Miami, FL

This stunning 3.82 Carat Round Diamond Platinum Engagement Ring will make her heart skip a beat

Category

2010s American Fashion Rings

Materials

Diamond, Platinum

3.82 Carat Round Diamond Platinum Engagement Ring Handmade

Roman Malakov 0.91 Carat Round Diamond Solitaire Engagement Ring

By Roman Malakov

Located in New York, NY

An antique roman-style engagement ring showcasing a 0.91 carat round diamond E-F Color and VS2 in

Category

21st Century and Contemporary American Art Deco Engagement Rings

Materials

Diamond, Platinum, Yellow Gold, 18k Gold

Roman Malakov 0.91 Carat Round Diamond Solitaire Engagement Ring

GIA Certified 2.02 Carat Round Diamond Platinum Ring with Tapered Bagette

By Antinori Fine Jewels

Located in Rome, IT

Elevate your style with the timeless elegance of this GIA Certified 2.02 Carat Round Diamond

Category

2010s Unknown Contemporary Engagement Rings

Materials

Diamond, White Diamond, Platinum

GIA Certified 2.02 Carat Round Diamond Platinum Ring with Tapered Bagette

Roman Malakov 0.74 Carat Round Diamond Bezel Solitaire Pendant Necklace

By Roman Malakov

Located in New York, NY

A simple and versatile solitaire pendant necklace showcasing a single 0.74 carat round diamond in a

Category

21st Century and Contemporary Contemporary Pendant Necklaces

Materials

Diamond, White Gold

Roman Malakov 0.74 Carat Round Diamond Bezel Solitaire Pendant Necklace

L 16 in

Roman Malakov 0.15 Carats Round Diamond Bezel Solitaire Fashion Earring

By Roman Malakov

Located in New York, NY

A simple and versatile solitaire invisible set fashion earring showcasing a single 0.15 carat round

Category

21st Century and Contemporary American Contemporary Hoop Earrings

Materials

Diamond, 18k Gold, Yellow Gold

Roman Malakov 0.15 Carats Round Diamond Bezel Solitaire Fashion Earring

L 1.97 in

Roman Malakov 0.10 Carat Round Diamond Bezel Solitaire Pendant Necklace

By Roman Malakov

Located in New York, NY

A simple and versatile solitaire pendant necklace showcasing a single 0.10 carat round diamond in a

Category

21st Century and Contemporary Contemporary Necklace Enhancers

Materials

Diamond, 14k Gold, Yellow Gold

Roman Malakov 0.10 Carat Round Diamond Bezel Solitaire Pendant Necklace

L 16 in

Vintage 0.50 Carat Round Diamonds Bow Clip Earrings 18k Gold

Located in Miami, FL

Vintage 0.50 Carat Round Diamonds Bow Clip Earrings 18k Gold. The earrings feature approx 0.50

Category

Vintage 1970s Clip-on Earrings

Materials

Diamond, 18k Gold, Yellow Gold

Vintage 0.50 Carat Round Diamonds Bow Clip Earrings 18k Gold

Roman Malakov 1.06 Carat Round Diamond Bezel Solitaire Engagement Ring

By Roman Malakov

Located in New York, NY

A simple solitaire engagement ring features a 1.06 carat round diamond. Bezel set in a rounded fit

Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Yellow Gold, White Gold, 14k Gold

Roman Malakov 1.06 Carat Round Diamond Bezel Solitaire Engagement Ring

Men’s 3.00 Carat Round Diamonds Two-Tone Tiger Stripe Design Ring

Located in Miami, FL

Men’s 3.00 Carat Round Diamonds Two-Tone Tiger Stripe Design Ring. The ring measures 16mm in height

Category

Early 2000s Fashion Rings

Materials

Diamond, 10k Gold, White Gold, Yellow Gold

Men’s 3.00 Carat Round Diamonds Two-Tone Tiger Stripe Design Ring

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Roman Malakov 0.42 Carat Round Diamond Bezel Solitaire Pendant Necklace

By Roman Malakov

Located in New York, NY

A simple and versatile solitaire pendant necklace showcasing a single 0.42 carat round diamond in a

Category

21st Century and Contemporary American Contemporary Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold

Roman Malakov 0.42 Carat Round Diamond Bezel Solitaire Pendant Necklace

L 16 in

Roman Malakov, 0.06 Carat Round Diamond Bezel Solitaire Pendant Necklace

By Roman Malakov

Located in New York, NY

A simple and versatile solitaire pendant necklace showcasing a single 0.06 carat round diamond in a

Category

21st Century and Contemporary American Contemporary Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold

Roman Malakov, 0.06 Carat Round Diamond Bezel Solitaire Pendant Necklace

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L 16 in

14k White Gold 1.78 Carat Round Diamond Inside-Out Hoop Earrings

Located in San Francisco, CA

14k White Gold 1.78 Carat Round Diamond Inside-Out Hoop Earrings - BAND - Material: 14k White Gold

Category

2010s American Hoop Earrings

Materials

Diamond, White Gold

14k White Gold 1.78 Carat Round Diamond Inside-Out Hoop Earrings

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Vintage 2.04 Carat Round Diamonds Eternity Ring 18k White Gold

Located in Miami, FL

Vintage 2.04 Carat Round Diamonds Eternity Ring. The diamonds featured in the ring G-H/VS-SI round

Category

1990s Wedding Rings

Materials

Diamond, White Gold

Vintage 2.04 Carat Round Diamonds Eternity Ring 18k White Gold

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Vintage Signed 0.45 Carat Round Diamond Engagement Ring 14k Gold

Located in Miami, FL

Vintage Signed 0.45 Carat Round Diamond Engagement Ring 14k Gold. The diamond is round, cut

Category

Vintage 1980s Engagement Rings

Materials

Diamond, 14k Gold

Vintage Signed 0.45 Carat Round Diamond Engagement Ring 14k Gold

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3.00 Carat Round Diamond Tennis Necklaces In 14k Yellow Gold

Located in Chicago, IL

Introducing the epitome of luxury and refinement: our exquisite 3 carat round diamond Tennis

Category

2010s American Contemporary Chain Necklaces

Materials

Diamond, 14k Gold, Yellow Gold

3.00 Carat Round Diamond Tennis Necklaces In 14k Yellow Gold

10.00 Carat Round Diamond Tennis Necklaces In 14k White Gold

Located in Chicago, IL

lies a magnificent 10 carat round diamond, celebrated for its breathtaking brilliance and captivating

Category

2010s American Contemporary Chain Necklaces

Materials

Diamond, 14k Gold, White Gold

10.00 Carat Round Diamond Tennis Necklaces In 14k White Gold

GIA Certified 1.04 Carat Round Diamond VS2 D Color Engagement Diamond Ring

Located in Laguna Hills, CA

GIA Certified 1.04 Carat Round Diamond VS2 D Color Engagement Diamond Ring Sought after and rare

Category

21st Century and Contemporary American Contemporary Bridal Rings

Materials

Diamond, 14k Gold

GIA Certified 1.04 Carat Round Diamond VS2 D Color Engagement Diamond Ring

Spectra Fine Jewelry, GIA Certified 3.20 Carat Round Diamond Engagement Ring

By Spectra Fine Jewelry

Located in New York, NY

A beautiful solitaire ring comprising of a 3.20 carat round diamond of H color, SI2 clarity

Category

21st Century and Contemporary American Solitaire Rings

Materials

Diamond, Platinum

Spectra Fine Jewelry, GIA Certified 3.20 Carat Round Diamond Engagement Ring

Roman Malakov 0.09 Carat Round Diamond Bezel Solitaire Pendant Necklace

By Roman Malakov

Located in New York, NY

A simple and versatile solitaire pendant necklace showcasing a single 0.09 carat round diamond set

Category

21st Century and Contemporary American Contemporary Pendant Necklaces

Materials

Diamond, 14k Gold, Rose Gold

Roman Malakov 0.09 Carat Round Diamond Bezel Solitaire Pendant Necklace

L 16 in

Roman Malakov 0.07 Carat Round Diamond Bezel Solitaire Pendant Necklace

By Roman Malakov

Located in New York, NY

A simple and versatile solitaire pendant necklace showcasing a single 0.07 carat round diamond set

Category

21st Century and Contemporary American Contemporary Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold

Roman Malakov 0.07 Carat Round Diamond Bezel Solitaire Pendant Necklace

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L 16 in

10 Carat Round Diamond Engagement Ring GIA Certified H SI1

Located in New York, NY

QUINN -10 CARAT ROUND DIAMOND ENGAGEMENT RING BY MIKE NEKTA CERTIFIED Center Diamond: Carat

Category

2010s American Engagement Rings

Materials

Diamond, 18k Gold, White Gold, Yellow Gold

10 Carat Round Diamond Engagement Ring GIA Certified H SI1

Vintage 9.43 Carat Round Diamond 18k Gold Dangling Earrings

Located in Miami, FL

Vintage 9.43 Carat Round Diamond 18k Gold Dangling Earrings Be the Queen of the Ball with these

Category

Vintage 1960s Retro Dangle Earrings

Materials

Diamond, 18k Gold

Vintage 9.43 Carat Round Diamond 18k Gold Dangling Earrings

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W 0.52 in L 1.19 in

Spectra Fine Jewelry, GIA Certified 2.09 & 2.16 Carat Round Diamond Earrings

By Spectra Fine Jewelry

Located in New York, NY

Beautiful stud earrings featuring 2.09 & 2.16 carat round diamonds. The diamonds are GIA certified

Category

21st Century and Contemporary American Stud Earrings

Materials

Diamond, 18k Gold, White Gold

Spectra Fine Jewelry, GIA Certified 2.09 & 2.16 Carat Round Diamond Earrings

5.00 Carat Round Diamond Tennis Necklaces In 14k Yellow Gold

Located in Chicago, IL

Experience the epitome of opulence and sophistication with our mesmerizing 5 carat round diamond

Category

2010s American Contemporary Chain Necklaces

Materials

Diamond, 14k Gold, Yellow Gold

5.00 Carat Round Diamond Tennis Necklaces In 14k Yellow Gold

5.00 Carat Round Diamond Tennis Necklaces In 14k White Gold

Located in Chicago, IL

Experience the epitome of opulence and sophistication with our mesmerizing 5 carat round diamond

Category

2010s American Contemporary Chain Necklaces

Materials

Diamond, 14k Gold, White Gold

5.00 Carat Round Diamond Tennis Necklaces In 14k White Gold

12.52 Carat Round Diamond Link Necklace

By Vivid Diamonds

Located in Miami, FL

Elegant diamond link necklace, crafted in 14 karat yellow gold, embellished in 541 round brilliant

Category

21st Century and Contemporary American Modern Link Necklaces

Materials

Diamond, 14k Gold, Yellow Gold

12.52 Carat Round Diamond Link Necklace

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Roman Malakov 0.26 Carat Round Diamond Bezel Solitaire Pendant Necklace

By Roman Malakov

Located in New York, NY

A simple and versatile solitaire pendant necklace showcasing a single 0.26 carat round diamond, F

Category

21st Century and Contemporary American Contemporary Pendant Necklaces

Materials

Diamond, 14k Gold, Yellow Gold

Roman Malakov 0.26 Carat Round Diamond Bezel Solitaire Pendant Necklace

L 16 in

Van Cleef & Arpels 0.77 carat Round Diamond Solitaire Bypass Ring

By Van Cleef & Arpels

Located in New York, NY

. The ring showcases a 0.77 carat round diamond, certified by GIA to be H color and VS2 clarity. The

Category

21st Century and Contemporary American Contemporary Solitaire Rings

Materials

Diamond, Platinum

Van Cleef & Arpels 0.77 carat Round Diamond Solitaire Bypass Ring

Roman Malakov GIA Certified 10.11 Carat Round Diamond ThreeStone Engagement Ring

By Roman Malakov

Located in New York, NY

A classic engagement ring showcasing a GIA Certified 10.11 carat round diamond, K color and SI1

Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Platinum

Roman Malakov GIA Certified 10.11 Carat Round Diamond ThreeStone Engagement Ring

Piaget 4.70 Carat Round Diamond Link Heart Bracelet in White Gold

By Piaget

Located in New York, NY

This large voguish link heart bracelet features gleaming 4.70 carat round diamonds . The hearts are

Category

21st Century and Contemporary Swiss Modern Link Bracelets

Materials

Diamond, 18k Gold, White Gold

Piaget 4.70 Carat Round Diamond Link Heart Bracelet in White Gold

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L 7.5 in

0.66 Carat Round Diamond 18 Karat Gold Exquisite Cluster Stud Earrings

Located in London, GB

These Exquisite 0.66 Carat Round Diamond Cluster Stud Earrings Color White H Clarity SI1. Set in 18

Category

2010s British Modern Stud Earrings

Materials

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

0.66 Carat Round Diamond 18 Karat Gold Exquisite Cluster Stud Earrings

L 0.28 in

0.94 Carat Round Diamond 14 Karat White Gold Cluster Stud Earrings

By Roshe Jewels

Located in Los Angeles, CA

0.94 Carat Round Diamond 14K White Gold Cluster Stud Earrings! This beautifully designed pair of

Category

21st Century and Contemporary American Contemporary Stud Earrings

Materials

Diamond, 14k Gold, White Gold

0.94 Carat Round Diamond 14 Karat White Gold Cluster Stud Earrings

Tiffany & Co. 2.08 carat Round Diamond Platinum Solitaire Engagement Ring

By Tiffany & Co.

Located in New York, NY

2.08 carat round diamond certified by GIA to be E color and VS1 clarity. The rare combination of very

Category

21st Century and Contemporary American Engagement Rings

Materials

White Diamond, Diamond, Platinum

Tiffany & Co. 2.08 carat Round Diamond Platinum Solitaire Engagement Ring

Estate 0.26 Carat Round Diamond Band Wedding Band Ring set in Platinum

Located in Miami, FL

Estate 0.26 Carat Round Diamond Band Wedding Band Ring set in Platinum Enjoy this previously

Category

2010s Band Rings

Materials

Diamond, Platinum

Estate 0.26 Carat Round Diamond Band Wedding Band Ring set in Platinum

GIA Certified 0.51 Carat Round Diamond Engagement Ring 14k White Gold

Located in Miami, FL

GIA Certified 0.51 Carat Round Diamond Engagement Ring 14k White Gold. The diamond is graded by GIA

Category

Early 2000s Engagement Rings

Materials

Diamond, 14k Gold, White Gold

GIA Certified 0.51 Carat Round Diamond Engagement Ring 14k White Gold

Roman Malakov 2.01 Carat Round Diamond Solitaire Half-Eternity Engagement Ring

By Roman Malakov

Located in New York, NY

A classic and timeless piece of jewelry showcasing a 1.50 carat round diamond, H Color and SI2 in

Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Roman Malakov 2.01 Carat Round Diamond Solitaire Half-Eternity Engagement Ring

Men’s GIA Certified 2.31 Carat Round Diamond Ring 18k Gold

Located in Miami, FL

Very fancy and bold Men’s GIA Certified 2.31 Carat Round Diamond Ring. The diamond in the center is

Category

Vintage 1980s Fashion Rings

Materials

Diamond, 18k Gold, White Gold, Yellow Gold

Men’s GIA Certified 2.31 Carat Round Diamond Ring 18k Gold

Harry Winston 0.71 Carat Round Diamond Solitaire Engagement Ring in Platinum

By Harry Winston

Located in Philadelphia, PA

0.71 carat round diamond with E color and VVS2 clarity accompanied by a GIA report in a Harry Winston

Category

2010s Engagement Rings

Materials

Diamond, Platinum

Harry Winston 0.71 Carat Round Diamond Solitaire Engagement Ring in Platinum

Vintage 3.25 Carat Round Diamonds Fancy Design Swivel Pendant 14k Gold

Located in Miami, FL

Vintage 3.25 Carat Round Diamonds Fancy Design Swivel Pendant 14k Gold. The pendant is very elegant

Category

Vintage 1980s Pendant Necklaces

Materials

Diamond, 14k Gold, Yellow Gold

Vintage 3.25 Carat Round Diamonds Fancy Design Swivel Pendant 14k Gold

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11 Carat Round Diamond Engagement Ring

By Diamond Scene New York

Located in New York, NY

An AMAZING ROCK! GIA certified 11.07 carat Round Brilliant cut diamond. Set in a 4 prong custom

Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

11 Carat Round Diamond Engagement Ring

Signed 2.10 Carat Round Diamonds Heart Design Eternity Ring Platinum

Located in Miami, FL

Signed 2.10 Carat Round Diamonds Heart Design Eternity Ring Platinum. Master expertise designer

Category

Vintage 1970s Engagement Rings

Materials

Diamond, Platinum

Signed 2.10 Carat Round Diamonds Heart Design Eternity Ring Platinum

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Vintage GIA Certified 0.40 Carat Round Diamond Engagement Ring 14k White Gold

Located in Miami, FL

Vintage GIA Certified 0.40 Carat Round Diamond Engagement Ring 14k White Gold. The diamond is

Category

Vintage 1970s Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Vintage GIA Certified 0.40 Carat Round Diamond Engagement Ring 14k White Gold

0.50 Carat Round Diamond 18KT White Gold Exquisite Cluster Stud Earrings

Located in London, GB

These Exquisite 0.50 Carat Round Diamond Cluster Stud Earrings with a Halo, White Color H Clarity

Category

2010s British Modern Stud Earrings

Materials

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

0.50 Carat Round Diamond 18KT White Gold Exquisite Cluster Stud Earrings

L 0.24 in

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Carat Round Diamond For Sale on 1stDibs

On 1stDibs, you can find the most appropriate carat round diamond for your needs in our varied inventory. Frequently made of Gold, White Gold and 14k Gold, this item was constructed with great care. You can easily find a 11243 antique edition and 36016 modern creations to choose from as well. If you’re looking for a carat round diamond 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. As it relates to this specific piece, our collection includes designs that are universally popular, but .5 Carat and 1 Carat carat weights, specifically, are sought with frequency. A carat round diamond from LB Exclusive, TJD and Tiffany & Co. — each of whom created a beautiful version of this treasured accessory — is worth considering. A round cut version of this piece has appeal, but there are also baguette cut and oval cut versions for sale. When shopping for a carat round diamond, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a Carat Round Diamond?

Prices for a carat round diamond can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $1 and can go as high as $6,600,000, while this accessory, on average, fetches $3,195.

Questions About Carat Round Diamond

What is a round diamond?
1 Answer
1stDibs ExpertNovember 2, 2021
A round diamond, often known as a round brilliant cut, is widely recognized as a symbol of devotion. The round brilliant cut is the most classic of all stone cuts. Circular with 58 facets, the stone is cut to maximize its brilliance. Anything that is not a round cut is called a fancy cut. Round brilliant stones have been popular since the early 1900s. Shop a collection of vintage and modern diamond jewelry from some of the world’s top jewellers on 1stDibs.
Is there a three-carat diamond?
1 Answer
1stDibs ExpertApril 5, 2022
Yes, there are three-carat diamonds, and you can find them from a number of different jewelers and other retailers. Find an assortment of diamond jewelry from the world’s top sellers on 1stDibs.
What is a 24-carat diamond?
1 Answer
1stDibs ExpertMarch 22, 2022
A 24-carat diamond is a precious diamond gemstone that weighs 24 carats. One carat weighs 200 milligrams, meaning a 24-carat diamond weighs roughly 4.8 grams. That equates to roughly 0.17 ounces. On 1stDibs, shop a variety of diamond jewelry.
How big is a 12 carat diamond?
1 Answer
1stDibs ExpertFebruary 22, 2021
The size of a 12 carat diamond is dependent on diamond cut. A 12 carat round diamond is roughly 15 mm in size.
What is 1 carat diamond worth?
1 Answer
1stDibs ExpertFebruary 22, 2021
Depending on the quality, age, and designer, a 1-carat diamond can cost between $1,300 and $16,500.
What is a 7 carat diamond worth?
1 Answer
1stDibs ExpertAugust 17, 2021
A 7-carat diamond can cost anywhere between $12,000 and $185,000 depending on the quality of the stone. The fewer imperfections, the more expensive the diamond. Some 7-carat diamonds can cost more than $400,000.
What is a 9 carat diamond worth?
1 Answer
1stDibs ExpertSeptember 28, 2021
A 9-carat diamond’s worth varies depending on the 4Cs of diamond quality — color, cut, clarity and carat. On average, a 9-carat diamond could cost you between $19,000 to $1,000,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 9-carat diamond jewelry from different periods and styles to choose from.
What is a 3 carat diamond worth?
1 Answer
1stDibs ExpertSeptember 28, 2021
A 3-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 3-carat diamond could cost you between $7,200 to $51,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 3-carat diamond jewelry today.
How large is a 3-carat diamond?
1 Answer
1stDibs ExpertFebruary 27, 2024
In terms of dimensions, how large a 3-carat diamond is varies. The shape of the diamond will determine its length and width. Weighing 600 milligrams, diamonds that are 3 carats are generally considered to be large stones. On 1stDibs, shop a large collection of diamond jewelry from some of the world's top dealers.
How many carats should a diamond necklace be?
1 Answer
1stDibs ExpertNovember 6, 2023
There is no hard-and-fast rule for how many carats a diamond necklace should be. On average, solitaire diamond necklaces range from 0.5 to 1 carat, but you can find pieces with larger and smaller stones. Tennis chains that feature continuous diamonds set into links usually have much higher total carat weights. For example, one might feature 60 individual diamonds, each 0.20 carats in size, for a total carat weight of 12.0 carats. Shop a wide range of diamond necklaces on 1stDibs.
How rare is a nine-carat diamond?
1 Answer
1stDibs ExpertApril 5, 2022
A nine-carat diamond is considered rare and holds a premium price. Because of their rarity and size, nine-carat diamonds are a coveted choice for engagement rings. One of the most famous nine-carat diamond rings belongs to actress Kate Hudson, who has a nine-carat emerald cut diamond complemented with tapered baguettes on a platinum band. Shop a selection of diamond jewelry on 1stDibs.
Is a two-carat diamond rare?
1 Answer
1stDibs ExpertFebruary 13, 2023
Yes, a two-carat diamond is generally rarer than a smaller diamond, especially high-quality two-carat diamonds. When larger diamonds are found in nature, they usually have flaws. And prices per carat don’t increase as weight increases. A three-carat gem can be less valuable than a one-carat stone, for example, if all of the other attributes are of lesser quality in the larger diamond. Shop an assortment of diamond jewelry from some of the world’s top jewelers on 1stDibs.
What is a 4 carat diamond worth?
1 Answer
1stDibs ExpertSeptember 28, 2021
A 4-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 4-carat diamond could cost you between $8,400 to $71,500. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 4-carat diamond jewelry.
What is a 5 carat diamond worth?
1 Answer
1stDibs ExpertSeptember 28, 2021
A 5-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 5-carat diamond could cost you between $9,600 to $67,500. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 5-carat diamond jewelry.
What is a 6 carat diamond worth?
1 Answer
1stDibs ExpertSeptember 28, 2021
A 6-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 6-carat diamond could cost you between $15,000 to $80,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 6-carat diamond jewelry.
What is an 8 carat diamond worth?
1 Answer
1stDibs ExpertSeptember 28, 2021
An 8-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On an average an 8-carat diamond could cost you between $17,500 to $90,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 8-carat diamond jewelry from different periods and styles to choose from.
What is the value of a 25 carat diamond?
1 Answer
1stDibs ExpertSeptember 28, 2021
The minimum value of a 25-carat diamond ranges from $300 to $1,400. The prices change subject to the fluctuation of market factors. The value is defined based on the 4Cs — color, clarity, cut and carat weight. Shop antique, vintage and new diamond jewelry on 1stDibs.
Is a 1.5-carat diamond too big?
1 Answer
1stDibs ExpertFebruary 27, 2024
Whether a 1.5-carat diamond is too big depends on the type of jewelry in question and your personal preferences. A single stud earring that is 1.5 carats is rather large and would cover the entire earlobe. In terms of rings, a 1.5-carat diamond is larger than average. Find a variety of diamond jewelry on 1stDibs.
How many cuts are in a round diamond?
1 Answer
1stDibs ExpertNovember 2, 2023
There are a total of 58 cuts or facets on a round diamond. The 32 on the crown include eight star facets, 16 upper girdle facets and eight kite facets. On the pavilion, there are 25 facets made up of the lower girdle and pavilion main facets. Find a wide range of diamond jewelry on 1stDibs.
What is a round brilliant cut diamond?
1 Answer
1stDibs ExpertAugust 17, 2021
A brilliant cut diamond is a diamond cut to maximize its brilliance. This diamond shape has 57 facets, round brilliant cut diamonds are among the most popular styles of engagement rings. This cut is known for, when compared to other cuts, most closely mimicking the natural contours of a rough diamond crystal.