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1 Carat Oval

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GIA Certified 1 Carat Oval Diamond Ring in Platinum
Located in London, GB
GIA Certified 1 Carat Oval Diamond Ring in Platinum. This glamorous ring features a GIA Certified
Category

21st Century and Contemporary Contemporary Wedding Rings

Materials

Diamond, Platinum

1 Carat Oval Blue Sapphire GIA
Located in San Francisco, CA
This Oval shape 1.04-carat Natural Blue color sapphire GIA certified has been hand-selected by our
Category

21st Century and Contemporary Sri Lankan Loose Gemstones

Materials

Blue Sapphire

1 Carat Oval Blue Sapphire GIA
Located in San Francisco, CA
This Oval shape 1.03-carat Natural Blue color sapphire GIA certified has been hand-selected by our
Category

21st Century and Contemporary Sri Lankan Loose Gemstones

Materials

Blue Sapphire

GIA Certified 1 Carat Oval Diamond Art Deco Style 14k White Gold Ring
Located in Rome, IT
Captivating Art Deco Inspired 1 Carat Oval Diamond and Sapphire Ring in 14k White Gold Dive into
Category

2010s Unknown Art Deco Engagement Rings

Materials

Diamond, White Gold

GIA Certified 1 Carat Oval Diamond White and Rose Gold Soleste Ring
By Antinori Fine Jewels
Located in Rome, IT
Info: 1 carat oval cut G color diamond double pink & white halo ring - 5.50g gold - 0.20ct pink
Category

2010s Italian Contemporary Engagement Rings

Materials

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

GIA Certified 1 Carat Oval Diamond Engagement Ring
By Antinori Fine Jewels
Located in Rome, IT
This stunning and high quality 1.00ct GIA certified oval cut diamond has exceptional E color, great SI2
Category

2010s Italian Modern Engagement Rings

Materials

Diamond

1 Carat Oval Round Emerald Diamond Stacking Engagement Ring Set
By Hi June Parker
Located in New York, NY
daily lives. Ring size 7. Other sizes available upon request Salt and Pepper Oval Diamond 6.82 x5.82mm
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, 14k Gold, Yellow Gold

GIA Certified 1 Carat Oval Intense Pink Diamond Three-Stone Halo Engagement Ring
By Roman Malakov
Located in New York, NY
total white diamonds. Flanked by two oval cut diamonds weighing 0.62 carats total. Made in platinum
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Pink Diamond, Rose Gold, Platinum

GIA Report Certified E VS1 1 Carat Oval Cut Diamond Engagement Ring Baguettes
Located in Jaipur, RJ
GIA Report Certified 1 carat G VS Oval Cut Diamond Engagement Cocktail Ring With Baguette Diamonds
Category

2010s Indian Art Deco Solitaire Rings

Materials

Diamond, 18k Gold

Hi June Parker 1 Carat Oval Round Emerald Diamond Stacking Engagement Ring Set
By Hi June Parker
Located in New York, NY
daily lives. Ring size 7. Other sizes available upon request Salt and Pepper Oval Diamond 6.82 x5.82mm
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, 14k Gold, Yellow Gold

1 Carat Oval Natural Ruby and Diamond Stud Post Earrings 14 Karat White Gold
Located in New York, NY
White Gold Two Rubies weighing approximately 1 carat Total Each stud has a very shiny diamond Halo
Category

2010s Stud Earrings

Materials

Diamond, Ruby, 14k Gold, White Gold

1 Carat Oval Natural Ruby and Diamond Stud Post Earrings 14 Karat Yellow Gold
Located in New York, NY
Yellow Gold Two Rubies weighing approximately 1 carat Total Each stud has a very shiny diamond Halo
Category

2010s Stud Earrings

Materials

Diamond, Ruby, 14k Gold, Yellow Gold

1 Carat Oval Cut Emerald and 1.0 Carat Diamond Ring 18 Karat Yellow Gold
Located in New York, NY
1.0 Carat Oval Cut Emerald & 1.0 Carat Diamond Ring 18 K Yellow Gold Size 6.5 Oval Emerald Ring
Category

Early 20th Century Solitaire Rings

Materials

Diamond, Emerald, 18k Gold, Yellow Gold

1 Carat Oval-Cut Colombian Emerald and Diamond 18 Karat White Gold Pendant
By Gad & Co.
Located in Miami, FL
Centering a 0.74 Carat Oval-Cut Colombian Emerald, framed by 12 Round-Brilliant Cut Diamonds
Category

21st Century and Contemporary Pendant Necklaces

Materials

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

GIA Certified 18 Kt Gold Ring 1 Carat Oval F VS Diamond & 0.7ct Pavé Diamonds
Located in Antwerp, BE
ct. Surrounding Diamonds Centre diamond: Oval shape diamond 1 ct. F Color and VS2 Clarity Diamonds
Category

21st Century and Contemporary Belgian Artisan Engagement Rings

Materials

Diamond, 18k Gold, White Gold, Gold

Circa 1920s 1 Carat Oval No Heat Sapphire and Diamond Ring in Two-Tone Gold
Located in Atlanta, GA
Diamond Details: Weight: 0.05 carat total weight Cut: Single cut Sapphire Details: Weight: 1.0 carats Cut
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, Sapphire, Gold, White Gold, 14k Gold

1.00 Carat Oval Cut Ruby and Diamond Halo Pendant Necklace in 18K Yellow Gold
Located in NEW YORK, NY
A simple pendant necklace showcasing a vibrant 1-carat oval cut red ruby, surrounded by 0.43
Category

21st Century and Contemporary American Modern Pendant Necklaces

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

1ct Oval Natural Blue Topaz Cocktail Ring
By Hannaboya
Located in Sheridan, WY
Indulge in the captivating allure of our 1-carat Oval Natural Blue Topaz Cocktail Ring. This
Category

2010s African Contemporary Cocktail Rings

Materials

Topaz, Blue Topaz, Zircon, Platinum, Sterling Silver

White Gold, Diamond, and Sapphire Starburst Pendant Necklace
Located in Coral Gables, FL
14 Karat White Gold Burst Pendant Necklace Featuring A 1 Carat Oval Sapphire Surrounded By 61
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Sapphire, 14k Gold, White Gold

IGI Certified 1.00ct Oval Diamond 1.38ct Natural Diamonds Platinum & Gold Ring
Located in Hong Kong, HK
Bask in the radiance of a light-yellow 1-carat oval diamond surrounded by 1.38-carats of dazzling
Category

21st Century and Contemporary Hong Kong Engagement Rings

Materials

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

Natural 1.75ct Ruby & Diamond Ring in Solid 14K Gold
Located in Miami, FL
This is a pretty ring made of solid 14-karat yellow gold. It has a 1-carat oval-shaped ruby
Category

21st Century and Contemporary European Medieval Cocktail Rings

Materials

Diamond, Ruby, 14k Gold

PANIM Oval Diamond Rosecut Floral Diamond Cocktail Ring in 18K White Gold
By PANIM
Located in Tsim Sha Tsui, Hong Kong
ring features a 1 carat Oval shape diamond rosecut surrounded by the pear shape diamond rosecut
Category

21st Century and Contemporary Indian Modern Cocktail Rings

Materials

Diamond, White Diamond, 18k Gold, White Gold

3.25 Carat Total AGL Certified Colombian Emerald Antique Ring Old Mine Diamonds
Located in Houston, TX
carat oval emerald and 1 carat mixed cut emerald halo along with approximately 1.25 carat total old mine
Category

Antique 1890s Victorian Cocktail Rings

Materials

Diamond, Emerald, 18k Gold, Platinum

Scarselli Fancy Yellow Diamonds Earrings 8+ Carat Each GIA Certified
By SCARSELLI
Located in New York, NY
, beautifully cut for dazzling brilliance, hanging from a totaling 1 carat oval F color diamonds VVS and VS
Category

2010s American Contemporary Drop Earrings

Materials

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

Mesmerizing 1ct Oval Diamond Ring in 18K White Gold
Located in רמת גן, IL
Embrace the captivating beauty of this sophisticated ring, featuring a mesmerizing 1 carat oval
Category

2010s Israeli Engagement Rings

Materials

Diamond, 18k Gold, White Gold

1 1/2 Carat Oval Blue Sapphire GIA
Located in San Francisco, CA
This Oval shape 1.46-carat Natural Blue color sapphire GIA certified has been hand-selected by our
Category

21st Century and Contemporary Sri Lankan Loose Gemstones

Materials

Blue Sapphire

1 1/6 Carat Oval Purple Sapphire GIA
Located in San Francisco, CA
This Oval shape 1.14-carat Natural Purple color sapphire GIA certified has been hand-selected by
Category

21st Century and Contemporary Sri Lankan Loose Gemstones

Materials

Sapphire, Purple Sapphire

1 1/3 Carat Oval Purple-Pink Sapphire GIA
Located in San Francisco, CA
This Oval shape 1.33-carat Natural Purple-Pink color sapphire GIA certified has been hand-selected
Category

21st Century and Contemporary Malagasy Loose Gemstones

Materials

Pink Sapphire

1 1/6 Carat Oval Yellow Sapphire GIA Unheated
Located in San Francisco, CA
This Oval shape 1.17-carat Natural Yellow color sapphire GIA certified has been hand-selected by
Category

21st Century and Contemporary Sri Lankan Loose Gemstones

Materials

Yellow Sapphire

1 1/3 Carat Oval Purple-Pink Sapphire GIA
Located in San Francisco, CA
This Oval shape 1.34-carat Natural Purple-Pink color sapphire GIA certified has been hand-selected
Category

21st Century and Contemporary Sri Lankan Loose Gemstones

Materials

Pink Sapphire

1 1/2 Carat Oval Blue Sapphire GIA Unheated
Located in San Francisco, CA
This Oval shape 1.47-carat Natural Blue color sapphire GIA certified has been hand-selected by our
Category

21st Century and Contemporary Sri Lankan Loose Gemstones

Materials

Sapphire, Blue Sapphire

Eighteen Karat White Gold Engagement Ring with One Carat Natural Diamond
By Polya Medvedeva Jewellery
Located in Berlin, DE
oldest flower on earth. Please note that the ring in the video is in white gold with a 1-carat oval
Category

21st Century and Contemporary German Artist Engagement Rings

Materials

Diamond, Gold, 18k Gold, White Gold

IGI Certified 1.00ct Natural Ruby 0.94ct Natural Diamonds Platinum Ring
Located in Hong Kong, HK
highlights a beautiful 1-carat oval ruby surrounded by 62 sparkling natural diamonds, giving you a simple yet
Category

21st Century and Contemporary Hong Kong Cocktail Rings

Materials

Diamond, Ruby, Platinum

Dazzling 18k White Gold 3 Stone Ring 0.34ct Natural Ruby and Diamonds NGI Cert
Located in רמת גן, IL
An elegant three stone ring with a dazzling 1 carat oval natural ruby. It has 0.04 carat of side
Category

2010s Singaporean Three-Stone Rings

Materials

Diamond, Ruby, 18k Gold, White Gold

8ct Oval Natural Red Garnet Pin Dangle Earrings
By Hannaboya
Located in Sheridan, WY
symbolism. Each 1-carat oval garnet is carefully selected for its clarity and rich color, ensuring that they
Category

2010s African Contemporary Dangle Earrings

Materials

Garnet, Platinum, Sterling Silver

1 1/4 Carat Oval Light Grayish Blue Sapphire GIA Unheated
Located in San Francisco, CA
This Oval shape 1.24-carat Natural Light Grayish Blue color sapphire GIA certified has been hand
Category

21st Century and Contemporary American Loose Gemstones

Materials

Blue Sapphire

Eighteen Karat Yellow Gold Engagement Ring with Two Carats Cushion Diamond
By Polya Medvedeva Jewellery
Located in Berlin, DE
. Note: The video features the ring in white gold with a 1-carat oval diamond. The GIA certificate is
Category

21st Century and Contemporary German Artist Engagement Rings

Materials

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

Natural 3 stone Emerald & Diamond Ring in 14k Gold
Located in Miami, FL
Crafted in 14k yellow gold, this vintage ring features a captivating 1-carat oval-cut emerald
Category

21st Century and Contemporary European Retro Three-Stone Rings

Materials

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

1 1/3 Carat Oval Zoned Yellow and Blue Sapphire GIA Unheated
Located in San Francisco, CA
This Oval shape 1.30-carat Natural Zoned Yellow And Blue color sapphire GIA certified has been hand
Category

21st Century and Contemporary Sri Lankan Loose Gemstones

Materials

Blue Sapphire, Yellow Sapphire

1 1/2 Carat Oval Zoned Yellow And Blue Sapphire GIA Unheated
Located in San Francisco, CA
This Oval shape 1.47-carat Natural Zoned Yellow And Blue color sapphire GIA certified has been hand
Category

21st Century and Contemporary Sri Lankan Loose Gemstones

Materials

Blue Sapphire, Yellow Sapphire

1 2/5 Carat Oval Bluish Violet Sapphire GIA Unheated
Located in San Francisco, CA
This Oval shape 1.38-carat Natural Bluish Violet color sapphire GIA certified has been hand
Category

21st Century and Contemporary Sri Lankan Loose Gemstones

Materials

Sapphire

Platinum Sigalit Petite Rustic Oval Diamond Ring 1 1/2 Carat T.W
Located in San Francisco, CA
This petite ring is impressive in its organic appeal. It features five (5) graduated oval shape
Category

21st Century and Contemporary American Band Rings

Materials

Diamond, Platinum

2 1/6 Carat Oval Grayish Purple Sapphire GIA Unheated
Located in San Francisco, CA
This Oval shape 2.14-carat Natural Grayish Purple color sapphire GIA certified has been hand
Category

21st Century and Contemporary Malagasy Loose Gemstones

Materials

Sapphire, Purple Sapphire

1 2/3 Carat Oval Light Blue Sapphire GIA Unheated
Located in San Francisco, CA
This Oval shape 1.57-carat Natural Light Blue color sapphire GIA certified has been hand-selected
Category

21st Century and Contemporary Sri Lankan Loose Gemstones

Materials

Blue Sapphire

14 Karat Yellow Gold Oval Halo Diamond '1/3 Carat'
Located in San Francisco, CA
This delicate pendant features one oval-shaped diamond that is approximately 0.23-carat total
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Yellow Gold

18 Karat Yellow Gold Oval Halo Diamond '1/3 Carat'
Located in San Francisco, CA
This delicate pendant features one oval-shaped diamond that is approximately 0.23-carat total
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Yellow Gold

14 Karat Rose Gold Oval Halo Diamond '1/3 Carat'
Located in San Francisco, CA
This delicate pendant features one oval-shaped diamond that is approximately 0.23-carat total
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Rose Gold

18 Karat Yellow Gold Oval Halo Diamond '1/2 Carat'
Located in San Francisco, CA
This delicate pendant features one oval-shaped diamond that is approximately 0.47-carat total
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Yellow Gold

18 Karat Rose Gold Oval Halo Diamond '1/2 Carat'
Located in San Francisco, CA
This delicate pendant features one oval-shaped diamond that is approximately 0.47-carat total
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Rose Gold

18 Karat White Gold Oval Halo Diamond '1/3 Carat'
Located in San Francisco, CA
This delicate pendant features one oval-shaped diamond that is approximately 0.23-carat total
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, White Gold

18 Karat Rose Gold Oval Halo Diamond '1/3 Carat'
Located in San Francisco, CA
This delicate pendant features one oval-shaped diamond that is approximately 0.23-carat total
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Rose Gold

14 Karat Yellow Gold Oval Halo Diamond '1/2 Carat'
Located in San Francisco, CA
This delicate pendant features one oval-shaped diamond that is approximately 0.47-carat total
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Yellow Gold

18 Karat White Gold Oval Halo Diamond '1/2 Carat'
Located in San Francisco, CA
This delicate pendant features one oval-shaped diamond that is approximately 0.47-carat total
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, White Gold

14 Karat Rose Gold Oval Halo Diamond '1/2 Carat'
Located in San Francisco, CA
This delicate pendant features one oval-shaped diamond that is approximately 0.47-carat total
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Rose Gold

34.49 Carats Top Quality Rubellite Tourmaline Oval 1 Pieces Natural Gemstone
Located in Jaipur, RJ
Gemstone - Rubellite Tourmaline Weight - 34.49 Ct Size - 17x23 MM Piece - 1 Shape - Oval
Category

21st Century and Contemporary Unknown Loose Gemstones

Materials

Rubelite, Tourmaline

18K Rose Gold Sigalit Petite Rustic Oval Diamond Ring 1 1/2 Carat TW
Located in San Francisco, CA
This petite ring is impressive in its organic appeal. It features five (5) graduated oval shape
Category

21st Century and Contemporary American Band Rings

Materials

Diamond, Rose Gold

7.5 Carat Oval Rubellite and 1 Carat Diamond 18 Karat Gold Cocktail Ring Estate
Located in New York, NY
7.5 Carat Oval Rubellite & 1 Carat Diamond 18 Karat Gold Cocktail Ring Estate A classic, Cocktail
Category

2010s Cocktail Rings

Materials

Diamond, Tourmaline, 18k Gold

1/2 Carat Oval Diamond Studs in 14k Gold
Located in Rutherford, NJ
Gold- 0.91 gms Diamond- 0.46 carats Diamond Colour: G-H Diamond Clarity: SI Earring Weight: 1 gms
Category

21st Century and Contemporary Indian Stud Earrings

Materials

Diamond, 14k Gold, 18k Gold

18k White Gold Sigalit Petite Rustic Oval Diamond Ring 1 1/2 Carat T.W
Located in San Francisco, CA
This petite ring is impressive in its organic appeal. It features five (5) graduated oval shape
Category

21st Century and Contemporary American Band Rings

Materials

Diamond, White Gold

18k Yellow Gold Sigalit Petite Rustic Oval Diamond Ring 1 1/2 Carat T.W
Located in San Francisco, CA
This petite ring is impressive in its organic appeal. It features five (5) graduated oval shape
Category

21st Century and Contemporary American Band Rings

Materials

Diamond, Yellow Gold

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1 Carat Oval For Sale on 1stDibs

Find the exact 1 carat oval you’re shopping for in the variety available on 1stDibs. Every item for sale was constructed with extraordinary care, often using Gold, 18k Gold and White Gold. Our collection of these items for sale includes 3187 vintage editions and 8841 modern creations to choose from as well. If you’re looking for a 1 carat oval 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. Finding an appealing 1 carat oval — no matter the origin — is easy, but Yianni Creations, Roshe Jewels and Alberto each produced a popular version that is worth a look. A 1 carat oval of any era or style can lend versatility to your look, but a version featuring Diamond, from our inventory of 8665, is particularly popular. See these pages for an oval cut iteration of this accessory, while there are also round cut cut and cabochon cut versions available here, too. Most of our 1 carat oval for sale are for women, but there are 3285 pieces available to browse for men.

How Much is a 1 Carat Oval?

Prices for a 1 carat oval can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $1 and can go as high as $2,699,999, while this accessory, on average, fetches $4,799.
Questions About 1 Carat Oval
  • 1stDibs ExpertMarch 3, 2023
    Whether 1-carat is too big for earrings is largely a matter of personal opinion and preference. Some people may prefer to wear larger 1-carat earrings for formal evening events and other special occasions. However, others will wear 1-carat earrings to help punctuate any outfit. On 1stDibs, shop a variety of gemstone earrings.
  • 1stDibs ExpertFebruary 22, 2021
    Depending on the quality, age, and designer, a 1-carat diamond can cost between $1,300 and $16,500.
  • 1stDibs ExpertOctober 12, 2021
    What a 1-carat ruby is worth mostly depends on the color of the ruby. It is the most important factor in determining the ruby's value. The price of a pure brilliant red to slightly purple-red color is considerable. Depending on the color, purity, origin, and size, rubies can cost anywhere from $100 to $15,000 per carat. Shop a range of antique and vintage ruby jewelry on 1stDibs.
  • 1stDibs ExpertJanuary 23, 2024
    Whether a 1-carat earring is too big depends on your personal preferences. An individual earring with a 1-carat stone will usually cover a good portion of the earlobe without completely hiding it. As you shop for studs, keep in mind that there is a difference between total carat weight and carat weight. The carat weight refers to the weight of each earring, while the total carat weight is the combined weight of both earrings in a pair. A 1-carat earring set would actually typically include two 0.5-carat earrings, which are generally small enough to keep most of the earlobe visible. On 1stDibs, explore a large selection of gemstone earrings.
  • 1stDibs ExpertNovember 27, 2023
    Whether 1-carat studs are too big depends on your personal preferences. Stud earrings with a total weight of 1 carat will usually each feature a 0.5-carat gemstone, which is often the medium-sized offering from jewelry makers. At this size, studs will sit nicely on the earlobe without completely covering it. On 1stDibs, find a wide range of gemstone stud earrings.
  • 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.
  • 1stDibs ExpertApril 5, 2022
    The term 1-carat diamond earrings means a pair of earrings set with diamond gemstones that have a total weight of 200 milligrams. Depending on the design, each earring may hold one diamond or several smaller gems. You'll find a variety of diamond gemstone earrings on 1stDibs.
  • 1stDibs ExpertOctober 5, 2021
    What a 1-carat black diamond is worth varies according to the cut, type (natural/treated) and the demand and supply. Both natural and treated black diamonds increase in value as demand increases. It ranges from $100 to $3,000 per carat. On 1stDibs, you can find a variety of unique and designer black diamond jewelry & watches from different periods to choose from.
  • 1stDibs ExpertSeptember 28, 2021
    A 1-carat pink diamond’s worth depends on the color intensity and carat. High-quality pinks are the most expensive natural diamond color today. The price can vary from $10,000 to $70,000 per carat for an intense pink. On 1stDibs, you will find a variety of pink diamond jewelry from different periods.
  • 1stDibs ExpertOctober 19, 2021
    The average cost of a pair of diamond stud earrings with a total carat weight of 1-carat is $2,495. Depending on the clarity, cut and color of the diamond, the price and other details may vary. On 1sDibs, shop for antique and vintage diamond earrings.
  • 1stDibs ExpertMay 5, 2023
    How much a 1-carat natural sapphire is worth depends on its color, cut and quality. Sapphires can range in value from $25 to thousands of dollars per carat. A certified appraiser or knowledgeable jewelry expert can examine a particular gemstone piece and give you an estimate of its value. On 1stDibs, find a collection of sapphire gemstone jewelry.
  • 1stDibs ExpertFebruary 22, 2021
    The average cost of a pair of 1-carat diamond earrings is around $2,500. However, that price can change depending on the quality of the diamonds and the brand.
  • 1stDibs ExpertSeptember 28, 2021
    Like with most diamond products, the price of a 1-carat princess cut diamond can range dramatically. On 1stDibs, find 1-carat princess cut diamond rings, earrings, necklaces and bracelets starting at $999 to $16,500.