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1 Carat Square Diamond

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1 pc Dazzling Square Emerald Brilliant Diamond in 1.01 Carat
Located in רמת גן, IL
This diamond is a singular beauty, weighing an impressive 1.01 carats. Its Square Emerald Brilliant
Category

2010s Israeli Loose Gemstones

Materials

Diamond

10kt White Gold 1/2 Carat Diamond Square Pendant Necklace
Located in New York, NY
Elegant and unique, this 10k white gold square-shaped pendant will sparkle on your neck. This
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, 10k Gold, White Gold

10kt White Gold 1/2 Carat Diamond Square Pendant Necklace
10kt White Gold 1/2 Carat Diamond Square Pendant Necklace
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H 0.95 in W 0.16 in L 0.71 in
1 carat synthetic diamond solitaire ring
Located in PARIS, FR
Stones: 1 synthetic diamond of 1ct (6mm X 6mm) Lab Ground IGI certified synthetic diamond, number
Category

2010s Solitaire Rings

Materials

Diamond, 18k Gold

.925 Sterling Silver 1 1/2 Carat Princess-Cut Square Black Diamond Stud Earrings
Located in New York, NY
beautiful heat treated, color enhanced black diamonds in a four prong setting. The earrings feature
Category

21st Century and Contemporary Indian Contemporary Stud Earrings

Materials

Diamond, Black Diamond, Sterling Silver

10K White Gold 1 1/4 Carat Diamond Composite Double Square and Halo Stud Earring
Located in New York, NY
Indulge in the exquisite beauty of these 10K White Gold Princess Diamond Composite Double Square
Category

21st Century and Contemporary Indian Modern Stud Earrings

Materials

Diamond, White Diamond, White Gold, 10k Gold

.925 Sterling Silver 1/2 Carat Diamond Miligrain Square Shape Stud Earrings
Located in New York, NY
diamonds. These gorgeous studs have a total diamond weight of 1/2 cttw and will dress up any outfit in your
Category

21st Century and Contemporary Indian Contemporary Stud Earrings

Materials

Diamond, White Diamond, Sterling Silver

14K Yellow Gold 1/3 Carat Square Diamond Classic Solitaire Stud Earrings
Located in New York, NY
earrings. Crafted in genuine 14 Karat gold, each earring features a mesmerizing princess cut square diamond
Category

21st Century and Contemporary Indian Contemporary Stud Earrings

Materials

Diamond, White Diamond, 14k Gold, Yellow Gold

10K Yellow Gold 1/10 Carat Diamond Mosaic Composite Square Pendant Necklace
Located in New York, NY
baguette diamonds. With a total diamond weight of 1/10 cttw and 10 dazzling diamonds, this necklace adds a
Category

21st Century and Contemporary Indian Modern Pendant Necklaces

Materials

Diamond, White Diamond, 10k Gold, Yellow Gold

Yellow Gold Plated Sterling Silver 1/10 Carat Diamond Square Stud Earrings
Located in New York, NY
1/10ct TDW of diamonds. Each earring features a single sparkling round cut diamond in a miracle
Category

21st Century and Contemporary Indian Contemporary Stud Earrings

Materials

Diamond, White Diamond, 10k Gold, Gold Plate, Yellow Gold, Sterling Silver

1 Carat F Color VS Clarity Square Radiant Cut Diamond Solitaire Ring
By Antinori Fine Jewels
Located in Rome, IT
This stunning piece showcases a radiant 1 carat diamond set in a classic 18 k yellow gold solitaire
Category

2010s Unknown Contemporary Solitaire Rings

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Dazzling 1 pc Natural Diamond 0.50 ct Square J IF 'Flawless' GIA Certificate
Located in רמת גן, IL
1 Sparkling natural Square Modified cut diamond in a 0.5 carat J IF Excellent cut. This diamond
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Sterling Silver 1/4 Carat Round Cut Diamond Square Shape Milgrain Stud Earrings
Located in New York, NY
boasts 1/4 ct tdw of natural, sparkling diamonds. At the center of this piece sits 4 round-cut diamonds
Category

21st Century and Contemporary Indian Contemporary Stud Earrings

Materials

Diamond, White Diamond, Sterling Silver

.925 Sterling Silver 1/10 Carat Round-Cut Diamond Square Pinwheel Stud Earrings
Located in New York, NY
diamonds with a round shape, brilliant cut and a miracle setting. This fine jewelry item has a 1/10 carats
Category

21st Century and Contemporary Indian Contemporary Stud Earrings

Materials

Diamond, White Diamond, Sterling Silver

Sterling Silver 1/10 Carat Diamond Square Shape with Milgrain Halo Stud Earrings
Located in New York, NY
These lovely squared shaped studs are crafted in cool sterling silver and showcase 1/10ct TDW of
Category

21st Century and Contemporary Indian Contemporary Stud Earrings

Materials

Diamond, White Diamond, Sterling Silver

4.47 Carat '1/4 Cts' Asscher Cut 'Square Emerald Platinum Diamond Eternity Ring
By Sebastian Bernard
Located in Los Angeles, CA
) Asscher Cut 'Square Emerald Cut' Diamond Set in Shared Prong Mode. Total Weight of diamonds: 4.47 Ct
Category

2010s American Wedding Rings

Materials

Diamond, Platinum

14K Yellow Gold 1/2 Carat Diamond Square Shaped Composite Cluster Stud Earrings
Located in New York, NY
Indulge in the ultimate luxury with these 14K Yellow Gold Diamond Square Shaped Composite Cluster
Category

21st Century and Contemporary Indian Contemporary Stud Earrings

Materials

Diamond, White Diamond, 14k Gold, Yellow Gold

1.52 Carat Square Aquamarine Diamond Halo White Gold Earrings
Located in Stamford, CT
Radiant and elegant Aquamarine Diamond halo dangle earrings. 2 square shaped blue aqua gemstones
Category

21st Century and Contemporary Dangle Earrings

Materials

Aquamarine, Diamond, Gold, 14k Gold, White Gold

1pc Sparkling Natural cut Rectangular diamond in a 1 carat
Located in רמת גן, IL
Natural cut Rectangular diamond in a 1 carat I VVS1 cut. This diamond comes with GIA Certificate
Category

2010s Israeli Loose Gemstones

Materials

Diamond

10K Rose Gold 1/3 Carat Princess Cut Diamond Composite Square Shape Ring
Located in New York, NY
striking style showcases a square-shaped composite of petite princess-cut diamonds. The diamonds are
Category

21st Century and Contemporary Indian Contemporary Fashion Rings

Materials

Diamond, White Diamond, 10k Gold, Rose Gold

AGS Certified 14k White Gold 1/4 Carat Square Diamond Solitaire Stud Earrings
Located in New York, NY
earrings feature square, princess cut diamonds in classic 4-prong settings. The earrings feature double
Category

21st Century and Contemporary Indian Modern Stud Earrings

Materials

Diamond, White Diamond, White Gold, 14k Gold

Yellow Gold Plated .925 Sterling Silver 1/2 Carat Diamond Square Stud Earrings
Located in New York, NY
, this elegant design has a total diamond weight of 1/2 carats. "Video Available Upon Request" Product
Category

21st Century and Contemporary Indian Contemporary Stud Earrings

Materials

Diamond, White Diamond, 10k Gold, Gold Plate, Yellow Gold, Sterling Silver

14K White Gold 1/3 Carat Square Near Colorless Diamond Solitaire Stud Earrings
Located in New York, NY
earrings. Crafted in genuine 14 Karat gold, each earring features a mesmerizing princess cut square diamond
Category

21st Century and Contemporary Indian Contemporary Stud Earrings

Materials

Diamond, White Diamond, 14k Gold, White Gold

14K Rose Gold over Silver 1/2 Carat Square Diamond Solitaire Stud Earrings
Located in New York, NY
add sparkle to any outfit. The total diamond weight is 1/2 carat. "Video Available Upon Request
Category

21st Century and Contemporary Indian Contemporary Stud Earrings

Materials

Diamond, White Diamond, Gold Plate, Rose Gold, Sterling Silver, 14k Gold

10K Rose Gold 1/4 Carat Diamond and Peach Morganite Gemstone Square Pendant
Located in New York, NY
I1-I2. The total diamond weight of this necklace is 1/4 cttw.
Category

21st Century and Contemporary Indian Pendant Necklaces

Materials

Diamond, White Diamond, Morganite, 10k Gold, Rose Gold

IGI Certified 14k Yellow Gold 1/2 Carat Square Diamond Solitaire Stud Earrings
Located in New York, NY
stud earrings. Each earring features a natural diamond weighing 1/2 carats, cut in a classic princess
Category

21st Century and Contemporary American Modern Stud Earrings

Materials

Diamond, White Diamond, 14k Gold, Yellow Gold

5.73 Carat Square Ruby Diamond Gold Hinged Bangle Bracelet
Located in Stamford, CT
Ruby and diamond bangle bracelet. Alternating rows of 21 square shape rubies and 24 round cut
Category

20th Century Bangles

Materials

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

10K Yellow Gold Plated Sterling Silver 1/4 Carat Diamond Square Pendant Necklace
Located in New York, NY
pendant hangs from a yellow gold 18" box chain. This piece has a total diamond weight of 1/4 cttw and add
Category

21st Century and Contemporary Indian Modern Pendant Necklaces

Materials

Diamond, White Diamond, Sterling Silver, 10k Gold, Gold Plate, Yellow Gold

Peter Suchy GIA Certified 2.04 Carat Square Diamond Platinum Engagement Ring
By Peter Suchy
Located in Stamford, CT
Square cut diamond engagement ring. This GIA certified 2.04 carat square emerald cut center diamond
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

GIA 1.18 Square Brilliant Cut Carat Diamond Halo Platinum Engagement Ring
By Hearts On Fire
Located in Stamford, CT
Fire matching wedding bands that are listed separately. 1 cornered square brilliant cut diamond, F VS
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

.925 Sterling Silver 1/4 Carat Rose Cut Treated Blue Diamond Square Stud Earring
Located in New York, NY
are set in rich sterling silver. Featuring an elegant adornment of deep blue round cut diamonds, the
Category

21st Century and Contemporary Indian Contemporary Stud Earrings

Materials

Diamond, Blue Diamond, Sterling Silver

14K Yellow Gold 3 1/5 Carat Diamond ¾ Square Grid Huggy Style Stud Earrings
Located in New York, NY
collection, these 14K yellow gold earrings boast an impressive 3.2 carat total weight of diamonds with a
Category

21st Century and Contemporary Indian Contemporary Stud Earrings

Materials

Diamond, White Diamond, 14k Gold, Yellow Gold

10K White Gold 1/7 Carat Round and Baguette Diamond Mosaic Square Stud Earrings
Located in New York, NY
Stud Earrings, adorned with a dazzling mosaic of round and baguette diamonds. With a total weight of 1
Category

21st Century and Contemporary Indian Modern Stud Earrings

Materials

Diamond, White Diamond, 10k Gold, White Gold

10K White Gold 1/2 Carat Invisible Set Princess-Cut Diamond Square Stud Earring
Located in New York, NY
princess cut diamonds wrapped in a white gold ribbon as the centerpiece of the design. A glimmering round
Category

21st Century and Contemporary Indian Contemporary Stud Earrings

Materials

Diamond, White Diamond, 10k Gold, White Gold

GIA Certified 2.56 Carat Square Cut Diamond Platinum Three-Stone Engagement Ring
Located in Stamford, CT
. 1 square modified brilliant cut diamond, G VVS2 approx. 1.38cts GIA Certificate # 2165847195 2
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

1 Pc Natural Diamond 0.75 Carat Square Cushion Modified D IF IGI Certificate
Located in רמת גן, IL
One sparkling and shiny cushion brilliant natural diamond in a 0.75 carat D IF with excellent
Category

2010s Israeli Engagement Rings

Materials

Diamond

TJD 1 Carat Round & Princess Cut Diamond 14Karat Yellow Gold Square Wedding Band
By TJD
Located in New York, NY
Stunning and classic, this diamond ring is beautifully crafted in 14K Solid yellow gold. The wide
Category

21st Century and Contemporary Wedding Rings

Materials

Diamond, Yellow Gold

IGI Certified Multi Shape Diamond Tennis Bracelet 9.73 Carats G-H VS-SI 18K Gold
By Harbor Diamonds
Located in New York, NY
Carats. Average diamonds 0.50 pointers This diamond contains 6 Emeralds, 6 Pears, 2 Ovals, 2 Marquise, 1
Category

2010s Contemporary Link Bracelets

Materials

Diamond, 18k Gold, White Gold

Radiant 0.90ct Ideal Cut Square Diamond - GIA Certified
Located in רמת גן, IL
. Stone: 1 pc of Diamond Stone carat weight: 0.90ct Shape: Square Color grade: D Clarity grade: VS1
Category

2010s Israeli Loose Gemstones

Materials

Diamond

GIA 9.50 Carat Square Aquamarine Ring
Located in METAIRIE, LA
Constructed completely of Platinum, with 1 Focal G.I.A. Certified Octagonal Square cut Natural
Category

Vintage 1950s Solitaire Rings

Materials

Aquamarine, Diamond, Platinum

Magnificent 1.51ct Ideal Cut Square Diamond - GIA Certified
Located in רמת גן, IL
guarantees its authenticity and value. Stone: 1 pc of Diamond Stone carat weight: 1.51ct Shape: Square
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Exquisite 1.52ct Ideal Cut Square Diamond - GIA Certified
Located in רמת גן, IL
Exquisite 1.52ct Ideal Cut Square Diamond - GIA Certified This captivating 1.52-carat square-cut
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Elegant 0.70ct Ideal Cut Square Diamond - GIA Certified
Located in רמת גן, IL
guarantee of authenticity and quality. Stone: 1 pc of Diamond Stone carat weight: 0.70ct Shape: Square
Category

2010s Israeli Loose Gemstones

Materials

Diamond

14K Yellow Gold 1 1/2 Carat Diamond Geometric Pendant Necklace
Located in New York, NY
This whimsical 14k yellow gold pendant features dovetailed squares set with sparkling princess-cut
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, 14k Gold, Yellow Gold

14K Yellow Gold 1 1/2 Carat Diamond Geometric Pendant Necklace
14K Yellow Gold 1 1/2 Carat Diamond Geometric Pendant Necklace
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H 0.79 in W 0.32 in L 0.79 in
Julius Cohen Square Diamond Ring
By Julius Cohen
Located in Brooklyn, NY
This unique, 18 Kt Gold ring contains one Square-cut Diamond (.30 Cts.) bezel set on the diagonal
Category

21st Century and Contemporary American Contemporary Three-Stone Rings

Materials

Diamond, 18k Gold, Gold

1.47 Carats Sapphire Diamond Gold Dangle Earrings
By Diamond Stars Jewelry, Inc.
Located in New York, NY
The earrings are 18K White Gold There are 0.80 Carats In Diamonds F/G VS/SI There are 1.47 Carats
Category

21st Century and Contemporary American Contemporary Dangle Earrings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Gold, 18k Gold, White Gold

Exquisite 2.01ct Ideal Cut Square-Shaped Diamond - GIA Certified
Located in רמת גן, IL
finest quality. Stone: 1 pc of Diamond Stone carat weight: 2.01ct Shape: Square Color grade: D Clarity
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Radiant 3.01 ct Ideal Cut Square Diamond - GIA Certified
Located in רמת גן, IL
in gemology, this diamond's quality and authenticity are assured. Stone: 1 pc of Diamond Stone carat
Category

2010s Israeli Loose Gemstones

Materials

Diamond

3.22 Carat GIA Diamond Square Halo Ring
Located in METAIRIE, LA
carat (E Color; I2 Clarity) Brilliant cut Diamond. Although ranking an I2 Clarity, the brilliance
Category

Early 2000s Engagement Rings

Materials

Diamond, 14k Gold, White Gold

14k White Gold 1 1/2 Carat Diamond Multi-Shape Pendant Necklace
Located in New York, NY
This flirty pendant features 3x3 square of princess cut diamonds suspended by two rows of channel
Category

21st Century and Contemporary Indian Modern Pendant Necklaces

Materials

Diamond, White Diamond, White Gold, 14k Gold

Two-Tone 10K Gold 1 1/2 Carat Diamond Bypass Cocktail Ring
Located in New York, NY
unique design. Crafted in two-tone 10 karat gold, the total diamond weight is 1 1/2 carats. 'Video
Category

21st Century and Contemporary Indian Contemporary Fashion Rings

Materials

White Diamond, Diamond, Rose Gold, White Gold, 10k Gold

Exquisite 1.65 Carat Square Emerald Cut Diamond Ring
Located in רמת גן, IL
ring's overall aesthetic. 1 diamond main stone of 1.01 carat cut: square emerald cut color: F-G
Category

2010s Israeli Engagement Rings

Materials

Diamond, White Gold

1 pc Natural Diamond - 8.04 ct - Square Emerald / Asscher - F - VVS1- GIA Cert
Located in רמת גן, IL
Ideal cut and Beautiful Asher or square emerald Diamond in a 8.04 carat t with a-rare size and Cut
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Stunning 1.00 Carat Square Emerald Cut Diamond Ring
Located in רמת גן, IL
. 1 diamond main stone of 1.00 carat cut: square emerald cut color: G-H clarity: VVS2-VS1 cut grade
Category

2010s Israeli Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Vintage 2.50 Carat Sapphire 1 Carat Diamond Gold Ring
Located in Napoli, Italy
Princess Cut Diamonds in the center, weighs 1 carat total and graded F/G color Vvs clarity, surrounded by
Category

Vintage 1980s Band Rings

Materials

Diamond, Sapphire, Blue Sapphire, 18k Gold, Gold

Vintage 1 Carat Sapphire and Diamond 18k White Gold Ring
Located in Jesmond, Newcastle Upon Tyne
1.00 carat Diamond Quality Color (average grades) G Clarity (average grades) VS2 Cut Transitional
Category

Vintage 1950s Unknown Cluster Rings

Materials

Diamond, Sapphire, Blue Sapphire, 18k Gold, White Gold

14K White Gold 1 1/2 Carat Diamond Contemporary Wavy Quad Stud Earrings
Located in New York, NY
Experience the alluring sparkle of these quad stud diamond earrings. These attractive 14k white
Category

21st Century and Contemporary Indian Contemporary Stud Earrings

Materials

Diamond, White Diamond, 14k Gold, White Gold

10K Yellow Gold 1/2 Carat Diamond Stud Earrings
Located in New York, NY
design crafted in 10 karat yellow gold. They have a total diamond weight of 1/2 carat. These diamonds are
Category

21st Century and Contemporary Indian Modern Stud Earrings

Materials

Diamond, White Diamond, 10k Gold, Yellow Gold

10K Yellow Gold 1/2 Carat Diamond Stud Earrings
10K Yellow Gold 1/2 Carat Diamond Stud Earrings
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H 0.12 in W 0.36 in L 0.36 in
14k White Gold Men's 1.00 Carat Diamond Squared Band Ring
Located in New York, NY
weight of 1 carat. Product features: Diamond Type: Natural White Diamond Diamond Count: 40 Round-Cut
Category

21st Century and Contemporary Indian Contemporary Band Rings

Materials

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

Plat 1" American Flag Brooch, .85Ct. Diamond, 1.75 Carat Ruby & 1.88Ct. Sapphire
By Cellini
Located in New York, NY
cut rubies and sapphires. the brooch measures approximately 1". Platinum setting Diamonds 0.85 carats
Category

Early 2000s Contemporary Brooches

Materials

Diamond, Ruby, Blue Sapphire, Platinum

14K White Gold 1 1/2 Carat White and Treated Black Diamond Cocktail Ring
Located in New York, NY
Bold and striking, this glamorous 1 1/2 cttw diamond cocktail ring will bring magnificent glamour
Category

21st Century and Contemporary Indian Contemporary Fashion Rings

Materials

Black Diamond, White Diamond, Diamond, 14k Gold, White Gold

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1 Carat Square Diamond For Sale on 1stDibs

Surely you’ll find the exact 1 carat square diamond you’re seeking on 1stDibs — we’ve got a vast assortment for sale. 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 2992 vintage editions and 2116 modern creations to choose from as well. Finding the perfect 1 carat square diamond may mean sifting through those created during different time periods — you can find an early version that dates to the 18th Century and a newer variation that were made as recently as the 21st Century. Finding an appealing 1 carat square diamond — no matter the origin — is easy, but Tiffany & Co., Cartier and Estate Jewelry each produced a popular version that is worth a look. See these pages for a square cut iteration of this accessory, while there are also round cut cut and emerald cut cut versions available here, too. If you’re browsing our inventory for a 1 carat square diamond, you’ll find that many are available today for women, but there are still pieces to choose from for unisex and men.

How Much is a 1 Carat Square Diamond?

The price for a 1 carat square diamond starts at $1 and tops out at $1,575,000 with these rings, on average, selling for $5,028.
Questions About 1 Carat Square Diamond
  • 1stDibs ExpertFebruary 22, 2021
    Depending on the quality, age, and designer, a 1-carat diamond can cost between $1,300 and $16,500.
  • 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 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.
  • 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.