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 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 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 wedding ring be?

There is no rule for how many carats a diamond wedding ring should be. You're free to choose a ring with a carat weight that appeals to you and fits your budget. The average carat weight for diamond wedding rings is 1 to 1.9 carats. Shop an assortment of diamond wedding rings on 1stDibs.

How much money is a 7 carat diamond?

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.

How big is a 2 carat oval diamond?

A 2 carat oval diamond is approximately 10.23mm × 6.82mm × 4.16mm in size. These diamonds usually have an approximate face-up area of 57.21 mm². Find a variety of diamonds on 1stDibs.

21 Carat Diamond

Sugarloaf Emerald

30 Carat

8 Carat Emerald

Eternity Ring Diamond

Emerald Cabochon Bracelet

Graduated Riviera Diamond Necklace

Blue Diamond Heart Pendant

Long Gold Earrings

Category

20th Century American Modern Chain Necklaces

Materials

Diamond, 18k Gold, Rose Gold

18K Rose Gold 21 Carat Diamond Link Chain Necklace

Free Shipping

18K Yellow Gold 21 Carat Diamond Link Chain Necklace

Located in New York, NY

18K Yellow Gold 21 Carat Diamond Link Chain Necklace. Crafted out of 18K rose gold, every paperclip

Category

20th Century American Modern Chain Necklaces

Materials

Diamond, 18k Gold, Yellow Gold

18K Yellow Gold 21 Carat Diamond Link Chain Necklace

Free Shipping

Sexy Diamond Paperclip Earrings 14K Gold .21 Carat Diamond Link Earring Dangles

By Five Star Jewelry

Located in Austin, TX

dollars when you wear these earrings. Material: 14K Gold Diamond Count: 52 Diamond Weight: .21 carats

Category

21st Century and Contemporary American Modern Dangle Earrings

Materials

Diamond, 14k Gold

Sexy Diamond Paperclip Earrings 14K Gold .21 Carat Diamond Link Earring Dangles

L 1.38 in

Vintage 21 Carat Diamond and Platinum Brooch

Located in Jesmond, Newcastle Upon Tyne

A magnificent, stunning and impressive vintage 21 carat diamond and platinum brooch; part of our

Category

Vintage 1960s Unknown Brooches

Materials

Diamond, Platinum

Vintage 21 Carat Diamond and Platinum Brooch

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H 0.69 in W 1.77 in L 2.2 in

Vivid Diamond 21 Carat Diamond Dangle Chandelier Earrings

By Vivid Diamonds

Located in Miami, FL

diamonds weighing 21.01 carats total, G-H color, VS2 clarity. They measure 2 inches in length and 1 inch at

Category

21st Century and Contemporary American Modern Chandelier Earrings

Materials

Diamond, 18k Gold, White Gold

Vivid Diamond 21 Carat Diamond Dangle Chandelier Earrings

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Platinum 21 Carat Diamond Spray Marquise Cut Earrings

Located in New York, NY

. Total Carat Weight: 21.00cttw Diamond Quality: F-G color, VS-SI clarity. Let your style shine through

Category

20th Century Unknown Modern Dangle Earrings

Materials

Diamond, Platinum

Platinum 21 Carat Diamond Spray Marquise Cut Earrings

Tanzanite Cabochon Pendant 21 Carats Diamonds 18 Karat

Located in North Hollywood, CA

Carats with a Diamond Border of .50 Carats of Diamonds. This pendant is high domed just like the matching

Category

2010s American Modern Pendant Necklaces

Materials

White Diamond, Tanzanite, 18k Gold

Tanzanite Cabochon Pendant 21 Carats Diamonds 18 Karat

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18K White Gold 21 Carat Diamond Chandelier Dangling Earrings

Located in New York, NY

Estate diamond drop earrings made in 18K white gold mounted with round cut diamonds of approx

Category

20th Century American Modern Drop Earrings

Materials

Diamond, 18k Gold, White Gold

18K White Gold 21 Carat Diamond Chandelier Dangling Earrings

Estate 18K Yellow Gold 21 Carat Diamond Carpet Multi-Row Bracelet

Located in New York, NY

a mesmerizing arrangement of 322 round diamonds, totaling an impressive 21 carats. Each diamond

Category

20th Century American Modern Tennis Bracelets

Materials

Diamond, 18k Gold, Yellow Gold

Estate 18K Yellow Gold 21 Carat Diamond Carpet Multi-Row Bracelet

L 5.8 in

2, 21 carat Diamonds 18 kt White Gold Ruby Fashion Ring

Located in Marcianise, Marcianise (CE)

has been made with ray of diamonds that are all around a single ruby. All is mounted in 18 white gold

Category

Late 20th Century Italian Retro Fashion Rings

Materials

Diamond, Ruby, 18k Gold, White Gold

2, 21 carat Diamonds 18 kt White Gold Ruby Fashion Ring

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Natural Rare Pair Kunzites 21 Carat Diamond 0.50 Carat Gold 1.75 Inch Earrings

By OGI Ltd

Located in New York, NY

kunzite and diamonds, weighing 0.50 carat. Kunzite is a rare and precious gemstone that is known for its

Category

2010s American Contemporary Hoop Earrings

Materials

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

Natural Rare Pair Kunzites 21 Carat Diamond 0.50 Carat Gold 1.75 Inch Earrings

H 1.75 in W 0.45 in D 0.25 in Dm 0.45 in L 1.75 in

21 Carat Combine Mix Shape Diamond Bracelet Certified

Located in New York, NY

The Promise 21 Carat Diamond Bracelet features COMBINE MIX SHAPE DIAMONDS brilliants weighing a

Category

2010s American Tennis Bracelets

Materials

Diamond, Platinum

21 Carat Combine Mix Shape Diamond Bracelet Certified

Art Deco Diamond Pin .21 Carat Original 1920s Antique Brooch Two Tone Gold

Located in Dearborn, MI

% Natural Mined Diamond .21 Carat Diamond Weight Solid 10K Yellow & White Gold Circa 1920's The Art Deco

Category

Vintage 1920s Art Deco Brooches

Materials

Diamond, Gold, 10k Gold, White Gold, Yellow Gold

Art Deco Diamond Pin .21 Carat Original 1920s Antique Brooch Two Tone Gold

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Three Stone Diamond Halo 14 Karat White Gold Engagement Ring

Located in Mount Kisco, NY

.21 carat diamonds featured with accompanying raised twin .03 diamond accents. This brilliant diamond

Category

Vintage 1960s American Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Three Stone Diamond Halo 14 Karat White Gold Engagement Ring

11.02ct Blue Topaz Diamond 14k Gold Pendant Necklace

By Meghna Jewels

Located in Hoffman Estate, IL

This beautiful necklace is crafted in 14K gold, 11.02 carats blue topaz and .21 carat diamonds

Category

21st Century and Contemporary Unknown Modern Pendant Necklaces

Materials

Diamond, Topaz, Blue Topaz, 14k Gold

11.02ct Blue Topaz Diamond 14k Gold Pendant Necklace

18k Yellow Gold Natural 21ct Blue Aquamarine & Diamond Cocktail Ring

Located in Bernardsville, NJ

11.5 mm high (above finger) Aquamarine: 21 carats Diamond: 0.45 carats Marked: 18k yellow gold

Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Aquamarine, Diamond, 18k Gold, Yellow Gold

18k Yellow Gold Natural 21ct Blue Aquamarine & Diamond Cocktail Ring

Free Shipping

Anniversary Ring Natural Fancy Vivid Deep Orange Marquise Diamonds .21ct 14K

Located in Dearborn, MI

Gold 100% Natural Diamonds .21 Carat Diamond Weight Brand New ***313***846***3700 Customer Care

Category

2010s Wedding Rings

Materials

Diamond, 14k Gold, White Gold

Anniversary Ring Natural Fancy Vivid Deep Orange Marquise Diamonds .21ct 14K

Free Shipping

Genuine Antique Deco Diamond Wedding Band .21ct 1930's -1940's Platinum Ring

Located in Dearborn, MI

Bygone Era Boasts a .21 Carat Diamond Weight 90% Platinum and 10% Iridium. They Don't Make Platinum

Category

Vintage 1940s Art Deco Band Rings

Materials

Diamond, Platinum

Genuine Antique Deco Diamond Wedding Band .21ct 1930's -1940's Platinum Ring

Free Shipping

Vivid Diamonds 6.45 Carat Diamond Eternity Band

By Vivid Diamonds

Located in Miami, FL

Exquisite Vivid Diamonds eternity band crafted in Platinum, showcasing 21 stunning emerald cut

Category

21st Century and Contemporary Modern Band Rings

Materials

Diamond, Platinum

Vivid Diamonds 6.45 Carat Diamond Eternity Band

GIA Certified 21 Carat Round Cut Diamond White Gold Bracelet

By Antinori Fine Jewels

Located in Rome, IT

. Featuring 31 dazzling round diamonds, each securely held in a classic 4-prong basket setting, this bracelet

Category

2010s Italian Modern Tennis Bracelets

Materials

Diamond, White Diamond, 14k Gold, White Gold

GIA Certified 21 Carat Round Cut Diamond White Gold Bracelet

Art Deco Diamond Filigree Ring 1.50 Carats Platinum 5.2 Grams

By Harbor Diamonds

Located in New York, NY

Art Deco ring featuring 21 diamonds weighing approximately 1.50 carats in a filigree motif mounting

Category

Vintage 1920s American Art Deco Wedding Rings

Materials

Diamond, Platinum

Art Deco Diamond Filigree Ring 1.50 Carats Platinum 5.2 Grams

21 Carat Tennis Necklace in with 3-Prong Set Round Diamonds

By Antinori Fine Jewels

Located in Rome, IT

This stunning and impressive Riviera Necklace features substantial Diamond weight of 21 Carats in

Category

2010s Italian Modern Link Necklaces

Materials

Diamond, White Diamond, 18k Gold, White Gold

21 Carat Tennis Necklace in with 3-Prong Set Round Diamonds

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Diamond Wedding Band 2.01 Carat F-G SI1 14 Karat White Gold

By Harbor Diamonds

Located in New York, NY

14 Karat White gold diamond wedding band featuring 21 round brilliants weighing 2.01 carats

Category

2010s American Contemporary Bridal Rings

Materials

Diamond, White Gold

Diamond Wedding Band 2.01 Carat F-G SI1 14 Karat White Gold

21 Carat Cushion-Cut AAA Tanzanite & 9.5 Ct Diamonds, Pendant Necklace Estate

Located in New York, NY

This extraordinary, 21 carat tanzanite is truly an extraordinary gemstone. There are total of

Category

Early 2000s Drop Necklaces

Materials

Diamond, Tanzanite, 14k Gold

21 Carat Cushion-Cut AAA Tanzanite & 9.5 Ct Diamonds, Pendant Necklace Estate

L 16 in

South Sea Pearl Diamond Sapphire Dome Drop Earrings 6.96 Carat 18K White Gold

By Harbor Diamonds

Located in New York, NY

sapphires weighing 6.60 carats and touches of 8 round brilliants weighing 0.36 carats. Color G-H Clarity SI

Category

2010s American Contemporary Drop Earrings

Materials

Diamond, South Sea Pearl, Sapphire, White Gold

South Sea Pearl Diamond Sapphire Dome Drop Earrings 6.96 Carat 18K White Gold

21 Carat Blue Topaz Ring in 18 Karat White Gold with Diamonds

By Sunita Nahata

Located in Hong Kong, HK

topaz, diamond and semi-precious gemstones ring in 18K white gold. London Blue Topaz: 21.11 carat

Category

21st Century and Contemporary Hong Kong Contemporary Cocktail Rings

Materials

Topaz, Garnet, White Diamond, Diamond, Amethyst, Gold, White Gold, 18k Gold

21 Carat Blue Topaz Ring in 18 Karat White Gold with Diamonds

London Blue Topaz Cocktail Ring Diamond and Kyanite Double Halo 21 Carats Total

Located in Laguna Niguel, CA

14 Kyanites = 4.40 Carats 98 Diamonds = 1.10 Carats Metal: Rhodium Plated Sterling Silver Ring Size

Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Topaz, Blue Topaz, Kyanite, Rhodium, Silver, Ste...

London Blue Topaz Cocktail Ring Diamond and Kyanite Double Halo 21 Carats Total

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London Blue Topaz Cocktail Ring Diamond and Kyanite Double Halo 21 Carats Total

Located in Laguna Niguel, CA

14 Kyanites = 4.40 Carats 98 Diamonds = 1.10 Carats Metal: Rhodium Plated Sterling Silver Ring Size

Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Kyanite, Blue Topaz, Topaz, White Diamond, Diamond, Sterling Silver, Sil...

London Blue Topaz Cocktail Ring Diamond and Kyanite Double Halo 21 Carats Total

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London Blue Topaz Cocktail Ring Diamond and Kyanite Double Halo 21 Carats Total

Located in Laguna Niguel, CA

14 Kyanites = 4.40 Carats 98 Diamonds = 1.10 Carats Metal: Rhodium Plated Sterling Silver Ring Size

Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Topaz, Blue Topaz, Kyanite, Rhodium, Silver, Ste...

London Blue Topaz Cocktail Ring Diamond and Kyanite Double Halo 21 Carats Total

Free Shipping

London Blue Topaz Cocktail Ring Diamond and Kyanite Double Halo 21 Carats Total

Located in Laguna Niguel, CA

14 Kyanites = 4.40 Carats 98 Diamonds = 1.10 Carats Metal: Rhodium Plated Sterling Silver Ring Size

Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Topaz, Blue Topaz, Kyanite, Rhodium, Silver, Ste...

London Blue Topaz Cocktail Ring Diamond and Kyanite Double Halo 21 Carats Total

Free Shipping

London Blue Topaz Cocktail Ring Diamond and Kyanite Double Halo 21 Carats Total

Located in Laguna Niguel, CA

14 Kyanites = 4.40 Carats 98 Diamonds = 1.10 Carats Metal: Rhodium Plated Sterling Silver Ring Size

Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Topaz, Blue Topaz, Kyanite, Rhodium, Silver, Ste...

London Blue Topaz Cocktail Ring Diamond and Kyanite Double Halo 21 Carats Total

Free Shipping

London Blue Topaz Cocktail Ring Diamond and Kyanite Double Halo 21 Carats Total

Located in Laguna Niguel, CA

14 Kyanites = 4.40 Carats 98 Diamonds = 1.10 Carats Metal: Rhodium Plated Sterling Silver Ring Size

Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Kyanite, Blue Topaz, Topaz, White Diamond, Diamond, Sterling Silver, Sil...

London Blue Topaz Cocktail Ring Diamond and Kyanite Double Halo 21 Carats Total

Located in Laguna Niguel, CA

14 Kyanites = 4.40 Carats 98 Diamonds = 1.10 Carats Metal: Rhodium Plated Sterling Silver Ring Size

Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Topaz, Blue Topaz, Kyanite, Rhodium, Silver, Ste...

London Blue Topaz Cocktail Ring Diamond and Kyanite Double Halo 21 Carats Total

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Natural Yellow Round and White Diamond .21 Carat TW Gold Necklace

Located in New York, NY

RareGemWorld's classic diamond necklace. Mounted in a beautiful 14K Yellow and White Gold setting

Category

21st Century and Contemporary American Contemporary Drop Necklaces

Materials

Diamond, White Diamond, Yellow Diamond, Gold, 14k Gold, White Gold, Yell...

Natural Yellow Round and White Diamond .21 Carat TW Gold Necklace

Free Shipping

Diamond Tennis Bracelet 18 Karat White Gold Diamond 0.47 Carat/21 Pieces Emerald

By Natkina

Located in Montreux, CH

BRACELET 18K White Gold Diamond 0.47 Cts/21 Pcs Emerald 1.03 Cts/60 Pcs

Category

21st Century and Contemporary Tennis Bracelets

Materials

Diamond, Emerald, White Gold

Diamond Tennis Bracelet 18 Karat White Gold Diamond 0.47 Carat/21 Pieces Emerald

GIA 5.78 Carat Paraiba Tourmaline with 1.27 Carats Diamond Ring in 21 Karat YG

By Kiersten Elizabeth

Located in Charleston, SC

Gorgeous ring in 21 Karat yellow gold brushed finished. 5.78 Carat Paraiba-type Tourmaline

Category

21st Century and Contemporary American Modern Three-Stone Rings

Materials

Paraiba, Tourmaline, Diamond, 22k Gold

GIA 5.78 Carat Paraiba Tourmaline with 1.27 Carats Diamond Ring in 21 Karat YG

Art Deco Style Bangle 21 Carat Natural Cushion Aquamarine and Diamond

Located in Los Angeles, CA

Aquamarines (12x10mm) weighing approximately 20 carats. In addition are 6 Natural Round Brilliant Diamonds F

Category

Vintage 1960s Unknown Art Deco Bangles

Materials

Aquamarine, Diamond, Rose Gold

Art Deco Style Bangle 21 Carat Natural Cushion Aquamarine and Diamond

14.71 Carats Diamond and Tourmaline Earrings, Detachable Drop, 21 Karat YG

By Kiersten Elizabeth

Located in Charleston, SC

detachable making it possible to be worn in 2 ways! Step Cut Fancy-shaped Diamonds Weighing: 1.09 Carats

Category

21st Century and Contemporary American Modern Dangle Earrings

Materials

Diamond, Tourmaline, 22k Gold, Yellow Gold

14.71 Carats Diamond and Tourmaline Earrings, Detachable Drop, 21 Karat YG

W 0.25 in L 1.63 in

21 Carat Natural Brazil Emerald & 2.6 Ct Diamond Tennis Bracelet 14 Karat Y Gold

Located in New York, NY

approximately 21 Carat Natural Brazil Emerald & 2.6 Ct Diamond Tennis Bracelet 14 Karat Y Gold

Category

2010s American Tennis Bracelets

Materials

Diamond, Emerald, Gold, White Gold

21 Carat Natural Brazil Emerald & 2.6 Ct Diamond Tennis Bracelet 14 Karat Y Gold

L 7 in

9.3 Carat Yellow Diamonds 21-22k Gold Chandelier Drop Earrings Wedding Jewelry

By AB Jewelry NYC

Located in New York, NY

Glacier chandelier drop earrings. Large checker cut diamonds (4.6cts each) are bezel set and

Category

21st Century and Contemporary American Modernist Chandelier Earrings

Materials

White Diamond, Yellow Diamond, Brown Diamond, Diamond, Gold, 14k Gold, Y...

9.3 Carat Yellow Diamonds 21-22k Gold Chandelier Drop Earrings Wedding Jewelry

W 0.52 in D 0.2 in L 1.78 in

21 Carat Cushion Cut Diamond Engagement Ring Fancy Brownish Greenish Yellow SI1

Located in New York, NY

GIA Certified Center Diamond: Carat Weight: 20.03 Carats Color : Fancy Brownish Greenish Yellow

Category

2010s American Engagement Rings

Materials

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

21 Carat Cushion Cut Diamond Engagement Ring Fancy Brownish Greenish Yellow SI1

7.05 Carat Natural Diamond Necklace 14 Karat White Gold G-H SI 21 Grams

Located in New York, NY

7.05 Carat Natural Diamond Necklace 14K White Gold G SI 16 inches 100% Natural Diamonds, Not

Category

21st Century and Contemporary American Contemporary Chain Necklaces

Materials

Diamond, 14k Gold, White Gold

7.05 Carat Natural Diamond Necklace 14 Karat White Gold G-H SI 21 Grams

W 0.19 in L 16 in

21 Carat Square Emerald Bluish Violet & Diamond Fashion Pendants In 18K WG

Located in Chicago, IL

bluish violet tanzanite weighing 21.00 carats and a single oval-cut diamond weighing 0.52 carats as a

Category

2010s Pendant Necklaces

Materials

Diamond, Emerald, White Gold, 18k Gold

21 Carat Square Emerald Bluish Violet & Diamond Fashion Pendants In 18K WG

Natural Yellow Round and White Diamond .21 Carat TW Gold Wedding Band

Located in New York, NY

RareGemWorld's classic diamond band. Mounted in a beautiful 14K Yellow and White Gold setting with

Category

21st Century and Contemporary American Contemporary Band Rings

Materials

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

Natural Yellow Round and White Diamond .21 Carat TW Gold Wedding Band

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1.38 Carat Three-Row Chain 21 Fullcut Diamonds Amazing Decorative Italian Style

Located in Viena, Viena

gold, set with 21 full-cut diamonds total approx. 1.38 ct, W (white) / SI-P1 (small-distinct inclusions

Category

2010s Italian Modern Pendant Necklaces

Materials

Diamond, 18k Gold, Yellow Gold

1.38 Carat Three-Row Chain 21 Fullcut Diamonds Amazing Decorative Italian Style

W 0.16 in D 0.08 in L 2.45 in

21 Carat Radiant Cut Diamond Drop Earrings GIA Certified Fancy Yellow VS1-VVS1

Located in New York, NY

Kairi 21 Carats Fancy Yellow VS1-VVS1 Radiant Cut Diamond Drop Earrings in 18k Yellow Gold GIA

Category

2010s American Engagement Rings

Materials

Diamond, Yellow Diamond, 18k Gold, Yellow Gold

21 Carat Radiant Cut Diamond Drop Earrings GIA Certified Fancy Yellow VS1-VVS1

21 Carats + Fancy Shape Diamond By the Yard Necklace in Platinum 36 inches

Located in La Jolla, CA

21 carats Fancy Shape Diamonds Diamond By the Yard Necklace in Platinum Platinum diamond by the

Category

21st Century and Contemporary North American Chain Necklaces

Materials

Diamond, Platinum

21 Carats + Fancy Shape Diamond By the Yard Necklace in Platinum 36 inches

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L 36 in

David Webb Platinum & 18K Yellow Gold 21 Carats Scroll Diamond Textured Bracelet

By David Webb

Located in New York, NY

David Webb 18K Yellow Gold 21 Carats Scroll Diamond Textured Bracelet. David Webb estate yellow

Category

20th Century American Modern Cuff Bracelets

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

David Webb Platinum & 18K Yellow Gold 21 Carats Scroll Diamond Textured Bracelet

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White Gold 21, 56ct Morganite & Diamond Pendant

By Thomas Leyser

Located in Idar-Oberstein, DE

and diamonds. This pendant in 18k white gold is set with a fine Morganite (facetted, loup-clean

Category

21st Century and Contemporary German Contemporary Pendant Necklaces

Materials

Diamond, Morganite, White Gold, 18k Gold

White Gold 21, 56ct Morganite & Diamond Pendant

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W 0.71 in D 0.4 in L 1.58 in

GIA 2.82 Carats Paraiba Tourmaline and Diamond Earrings in 21 Karat Yellow Gold

By Kiersten Elizabeth

Located in Charleston, SC

) Kite-shaped Diamonds weighing 0.66 Carats D - E Color Si1 Clarity Total Gem Weight 3.48

Category

21st Century and Contemporary American Modern Dangle Earrings

Materials

Diamond, Tourmaline, Paraiba, 22k Gold, Yellow Gold

GIA 2.82 Carats Paraiba Tourmaline and Diamond Earrings in 21 Karat Yellow Gold

W 0.25 in L 0.88 in

21 Karat Yellow Gold and 1.10 Carat Mine Cut Diamond Ring 8.17 Grams

Located in Scottsdale, AZ

This beautiful ring is made in 21k yellow gold, and it features a 1.10-carat mine-cut diamond at

Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, Yellow Gold

21 Karat Yellow Gold and 1.10 Carat Mine Cut Diamond Ring 8.17 Grams

Gianni Lazzaro 2, 21 Carat Aquamarine Diamond White 18K Gold Earrings for Her

By Natkina

Located in Montreux, CH

Ring White Gold 18 K Gianni Lazzaro Diamonds 82-0,42 ct HSI Aquamarine 6 - 2,21ct. With a

Category

21st Century and Contemporary Swiss Modern Drop Earrings

Materials

Diamond, Aquamarine, Gold, 18k Gold

Gianni Lazzaro 2, 21 Carat Aquamarine Diamond White 18K Gold Earrings for Her

21 Carats Pink Sapphire Tennis Necklace 14 Karat White Gold 20''

Located in Great Neck, NY

21 CARATS NATURAL PINK SAPPHIRE TENNIS NECKLACE WHITE GOLD 14K 20 INCH. 3.2MM WIDE. All sapphire

Category

2010s American More Necklaces

Materials

Pink Sapphire, Diamond, 14k Gold, White Gold

21 Carats Pink Sapphire Tennis Necklace 14 Karat White Gold 20''

L 0.79 in

The Royal Diamond Swiss Diamond Wristwatch

By The Royal Diamond

Located in Geneva, CH

. 361 round cut Diamond, estimated in our opinion total about 21 carats. Length: 17.50 centimeters

Category

21st Century and Contemporary Swiss Wrist Watches

Materials

Diamond, 18k Gold, White Gold

The Royal Diamond Swiss Diamond Wristwatch

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Mabe Pearl 2 Carat 21 Diamond Halo Ring 14 Karat Gold Retro Midcentury Modern

Located in New York, NY

This is a gorgeous Mabe Pearl Cocktail Fashion Ring with a Halo of 21 Diamonds totaling

Category

20th Century Unknown Retro Cocktail Rings

Materials

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

Mabe Pearl 2 Carat 21 Diamond Halo Ring 14 Karat Gold Retro Midcentury Modern

18 Karat White Gold and White Diamonds Butterfly Earrings

By VANLELES DIAMONDS

Located in Mayfair, London, GB

Stud Earrings crafted in 18K White Gold Round Brilliant Diamonds GVS + = 2.00 carats Earring size

Category

21st Century and Contemporary British Contemporary Lever-Back Earrings

Materials

Diamond, White Diamond, 18k Gold, White Gold

18 Karat White Gold and White Diamonds Butterfly Earrings

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1.52 Carat Total Polki and Rose Cut Diamond Ring 21 Karat Yellow Gold Ornate

Located in Scottsdale, AZ

Ring size: 9 Incredible 21 karat yellow gold and diamond Polki ring makes a bold statement

Category

Late 20th Century Indian Cocktail Rings

Materials

Diamond, Gold, Yellow Gold, 22k Gold

1.52 Carat Total Polki and Rose Cut Diamond Ring 21 Karat Yellow Gold Ornate

Certified 4.51 Carat Brilliant Cut Diamond 18-Karat Gold Earring Studs

Located in Monte Carlo, MC

and 2.25 carat, both I VVS2, set on 18 Karat white gold stud earrings. The diamonds look incredibly

Category

2010s French Contemporary Stud Earrings

Materials

Diamond, White Diamond, 18k Gold, White Gold

Certified 4.51 Carat Brilliant Cut Diamond 18-Karat Gold Earring Studs

W 0.35 in

Tennis Bracelet Yellow Gold Genuine Natural Green Russalite 12.50 Carats 21 Dia

By Five Star Jewelry

Located in Austin, TX

: Bracelet Type: Tennis Metal Quality: 14 Karat Yellow Gold Diamond Number: 21 Diamond Total Weight: .15

Category

21st Century and Contemporary American Modern Tennis Bracelets

Materials

Diamond, Emerald, 14k Gold, Yellow Gold

Tennis Bracelet Yellow Gold Genuine Natural Green Russalite 12.50 Carats 21 Dia

L 7 in

EGL South Africa Certified 21 Carat Violet Blue Tanzanite 18K Rose Gold Ring

By Antinori Fine Jewels

Located in Rome, IT

Indulge in opulence with our EGL South Africa Certified 21 Carat Violet Blue AAA+ Tanzanite Ring

Category

2010s Italian Modern Cocktail Rings

Materials

Tanzanite, White Diamond, Diamond, Rose Gold, 18k Gold

EGL South Africa Certified 21 Carat Violet Blue Tanzanite 18K Rose Gold Ring

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21 Carat Diamond For Sale on 1stDibs

On 1stDibs, you can find the most appropriate 21 carat diamond for your needs in our varied inventory. Every item for sale was constructed with extraordinary care, often using Gold, White Gold and 18k Gold. You can easily find a 366 antique edition and 50229 modern creations to choose from as well. You’re likely to find the perfect 21 carat diamond among the distinctive items we have available, which includes versions made as long ago as the 18th Century as well as those 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. There have been many well-made iterations of the classic 21 carat diamond over the years, but those made by LB Exclusive, Roman Malakov and TJD are often thought to be among the most beautiful. 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 oval cut and emerald cut alternatives. When shopping for a 21 carat diamond, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a 21 Carat Diamond?

On average, a 21 carat diamond at 1stDibs sells for $4,571, while they’re typically $1 on the low end and $6,999,999 for the highest priced versions of this item.

Questions About 21 Carat Diamond

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 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 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 wedding ring be?
1 Answer
1stDibs ExpertNovember 2, 2023
There is no rule for how many carats a diamond wedding ring should be. You're free to choose a ring with a carat weight that appeals to you and fits your budget. The average carat weight for diamond wedding rings is 1 to 1.9 carats. Shop an assortment of diamond wedding rings on 1stDibs.
How much money is a 7 carat diamond?
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.
How big is a 2 carat oval diamond?
1 Answer
1stDibs ExpertAugust 24, 2021
A 2 carat oval diamond is approximately 10.23mm × 6.82mm × 4.16mm in size. These diamonds usually have an approximate face-up area of 57.21 mm². Find a variety of diamonds on 1stDibs.