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1 Ct Square Diamond

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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

Radiant 3.01 ct Ideal Cut Square Diamond - GIA Certified
Located in רמת גן, IL
Radiant 3.01 ct Ideal Cut Square Diamond - GIA Certified This radiant 3.01 ct square diamond is a
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Square Amethyst Pendant - 18k White Gold - 1 Diamond 0.04 ct G VS 1 Guilloche
By Victor Mayer
Located in Pforzheim, DE
Victor Mayer square shaped pendant 18k white gold, Era Collection, 1 diamond 0.04 ct, G VS, 1
Category

2010s German Contemporary Pendant Necklaces

Materials

Amethyst, Diamond, White Gold, 18k Gold

Square Era Pendant 18k White Gold 1 Diamond 0.04 ct G VS 1 Prasiolite Cabochon
By Victor Mayer
Located in Pforzheim, DE
Victor Mayer square shaped pendant 18k white gold, Era Collection, 1 diamond, total 0.04 ct, G VS
Category

2010s German Contemporary Pendant Necklaces

Materials

Diamond, White Gold, 18k Gold

Square Shaped Era Pendant - 18k White Gold - 1 Diamond 0.04 ct G VS 1 Blue Topaz
By Victor Mayer
Located in Pforzheim, DE
Victor Mayer square shaped pendant 18k white gold, Era Collection, 1 diamond, total 0.04 ct, G VS
Category

21st Century and Contemporary German Contemporary Pendant Necklaces

Materials

Diamond, Topaz, Blue Topaz, 18k Gold, 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

Square Amethyst Pendant Necklace - 18k White Gold - 1 Diamond 0.04 ct G VS
By Victor Mayer
Located in Pforzheim, DE
Victor Mayer square shaped pendant necklace 18k white gold, Era Collection, 1 diamond 0.04 ct, G VS
Category

21st Century and Contemporary German Contemporary Pendant Necklaces

Materials

Amethyst, Diamond, 18k Gold, White Gold

Square Era Pendant 18k Rose Gold 1 Diamond 0.04 ct G VS Smoky Quartz Cabochon
By Victor Mayer
Located in Pforzheim, DE
Victor Mayer square shaped pendant 18k rose gold, Era Collection, 1 diamond 0.04 ct, G VS, smoky
Category

21st Century and Contemporary German Contemporary Pendant Necklaces

Materials

Diamond, Quartz, Rose Gold, 18k Gold

Square Era Pendant 18k Rose Gold 1 Diamond 0.04 ct G VS Madeira Citrine Cabochon
By Victor Mayer
Located in Pforzheim, DE
Victor Mayer square shaped pendant 18k rose gold, Era Collection, 1 diamond total 0.04 ct, G VS
Category

21st Century and Contemporary German Contemporary Pendant Necklaces

Materials

Diamond, Citrine, Rose Gold, 18k Gold

GIA Certified 1 Ct F Color VS Square Radiant Cut Diamond 18K White Gold Ring
By Antinori Fine Jewels
Located in Rome, IT
This stunning 1.00 carat F color VS Radiant Square Cut diamond ring in 18K white gold is a
Category

2010s Unknown Contemporary Solitaire Rings

Materials

Diamond, 18k Gold, White Gold

Brilliant 18k White Gold Square Diamond Pave Ring w/2.30 ct - GIA Certified
Located in רמת גן, IL
Brilliant 18k White Gold Square Diamond Pave Ring w/2.30 ct - GIA Certified Crafted from pristine
Category

2010s Israeli Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Square Era Pendant 18k Rose Gold 25 Diamonds 0.55 ct G VS 1 Rose Quartz Cabochon
By Victor Mayer
Located in Pforzheim, DE
Victor Mayer square shaped pendant 18k rose gold, Era Collection, 25 diamonds, total 0.55 ct, G VS
Category

21st Century and Contemporary German Contemporary Pendant Necklaces

Materials

Diamond, Quartz, Rose Gold, 18k Gold

Shreve, Crump & Low GIA Certified 7.03 Ct Fancy Yellow Square Cut Diamond Ring
By Shreve, Crump & Low
Located in Boston, MA
yellow gold 3 stone ring consisting of 1 square emerald cut yellow diamond weighing 7.03 carats with
Category

2010s American Engagement Rings

Materials

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

18kt Rose Gold Bracelet with 1, 60 ct Diamonds and 10 ct Cognac Quartz
Located in Milano, IT
This bracelet made with 18kt rose gold, 1.60 ct of diamonds, and 10 ct cognac quartz stones is a
Category

2010s Italian Modern Modern Bracelets

Materials

Diamond, Quartz, Rose Gold, 18k Gold

Square Pendant 18k White Gold Diamond 0.04 ct Blue Topaz Guilloche
By Victor Mayer
Located in Pforzheim, DE
Victor Mayer square shaped pendant 18k white gold, Era collection, 1 diamond, total 0.04 ct, G VS
Category

21st Century and Contemporary German Contemporary Pendant Necklaces

Materials

Topaz, Blue Topaz, Diamond, 18k Gold, White Gold

Square Pendant Necklace 18k White Gold Diamond 0.04 ct Blue Topaz Guilloche
By Victor Mayer
Located in Pforzheim, DE
Victor Mayer square shaped pendant necklace 18k white gold, Era collection, 1 diamond, total 0.04
Category

21st Century and Contemporary German Contemporary Pendant Necklaces

Materials

Diamond, Topaz, Blue Topaz, 18k Gold, White Gold

1 Pc Natural Diamond, 1.00 Ct, Cushion, D 'Colorless' - If 'Flawless', IGI
Located in רמת גן, IL
Natural square cushion modified brilliant diamond in a 1.00 carat D IF with excellent cut and
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Square Era Pendant Necklace 18k White Gold - Diamond 0.04ct - 1 Prasiolite Cab.
By Victor Mayer
Located in Pforzheim, DE
Victor Mayer square shaped pendant necklace 18k white gold, Era Collection, 1 diamond, total 0.04
Category

2010s German Contemporary Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold

1 CT GH-I1 Clarity Natural Diamond Princess Cut Stud Earrings, 14k Gold.
Located in Los Angeles, CA
1 CT GH-I1 Clarity Natural Diamond Princess Cut Stud Earrings for Men and Women, 4 Prong Martini
Category

2010s American Stud Earrings

Materials

Diamond, 14k Gold

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

Stunning 1 pc Ideal Cut Natural Princess cut Diamond w/1.02 ct - IGI Certified
Located in רמת גן, IL
and exceptional characteristics. Stone: 1 pc of Diamond Stone carat weight: 1.02 ct Shape: Square
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

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

Radiant 1pc Ideal Cut Natural Diamond w/1.20 ct - GIA Certified
Located in רמת גן, IL
quality of the diamonds. Stone: 1 pc of Diamond Stone carat weight: 1.20 ct Shape: Square Color grade: F
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Diamond Bezel Fashion Ring 14 Karat Gold 1/4 Carat '.25 Ct' Diamond Bubble Ring
By Five Star Jewelry
Located in Austin, TX
round brilliant diamond with an approximate 1/4 carat diamond weight. The diamonds are multiple sized
Category

21st Century and Contemporary Modern Cluster Rings

Materials

Diamond, 14k Gold, White Gold

Lustrous 1pc Ideal Cut Natural Diamond w/1.00 ct - GIA Certified
Located in רמת גן, IL
Lustrous 1pc Ideal Cut Natural Diamond w/1.00 ct - GIA Certified This lustrous 1.00 carat square
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Sterling Silver 1/2 Ct White and Treated Blue Diamond Multi Level Cocktail Ring
Located in New York, NY
, this design features a square center cluster of round cut, color treated, blue diamonds. A halo of
Category

21st Century and Contemporary Indian Contemporary Fashion Rings

Materials

White Diamond, Blue Diamond, Diamond, Sterling Silver

Beautiful Platinum Ring with 0.74 ct Natural Diamonds- Tiffany & Co. Certificate
By Tiffany & Co.
Located in רמת גן, IL
ring comes with a Tiffany & Co. certificate for its main stone. -1 diamond main stone of 0.74 ct. cut
Category

2010s Israeli Solitaire Rings

Materials

Diamond, Platinum

Blue Sapphire 0.69 Ct Diamond Square Frame Ring 14 Karat White Gold US Size 7.2
Located in New York, NY
14 Karat White Gold 0.38 Carat Blue Sapphire and Diamond Square Shape Ring Fine Jewelry Chosen to
Category

2010s American Modern Cocktail Rings

Materials

Diamond, Blue Sapphire, 14k Gold, White Gold

TJD 0.75 Ct Princess and Round Diamond 18 Kt White Gold Square Shape Bridal Ring
By TJD
Located in New York, NY
Stunning and classic, this diamond ring is beautifully crafted in 18 Karat white gold. The
Category

2010s Indian Contemporary Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Square Era Pendant Necklace 18k Rose Gold 25 Diamonds and 1 Rose Quartz Cabochon
By Victor Mayer
Located in Pforzheim, DE
Victor Mayer square shaped pendant 18k rose gold, Era Collection, 25 diamonds, total 0.55 ct, G VS
Category

21st Century and Contemporary German Contemporary Pendant Necklaces

Materials

Diamond, Quartz, 18k Gold, Rose Gold

Luxurious 18K Yellow Gold Pave Ring with 0.85 Ct Natural Diamonds
Located in רמת גן, IL
quality polish. It comes with a fancy jewelry box. 1 diamond main stone of 0.72 carat cut: square radiant
Category

2010s Asian Cluster Rings

Materials

Diamond, 18k Gold, Yellow Gold

Dazzling 18k Yellow Gold Diamond Halo Ring w/1.85 ct - IGI Certified
Located in רמת גן, IL
: 18k Yellow Gold Main stone: 1 pc Diamond Main stone carat weight: 1.50 ct Shape: Square Color grade
Category

2010s Israeli Cluster Rings

Materials

Diamond, 18k Gold, Yellow Gold

Art Deco 27.60 Ct Natural Peridot Diamond 18 KT Platinum Pendant
Located in Napoli, IT
with rose cut Diamonds, approx. .50 Ct. and topped by a small square cut Peridot adorned with tiny rose
Category

Vintage 1920s European Art Deco Pendant Necklaces

Materials

Diamond, Peridot, 18k Gold, Platinum

Art Deco 27.60 Ct Natural Peridot Diamond 18 KT Platinum Pendant
Art Deco 27.60 Ct Natural Peridot Diamond 18 KT Platinum Pendant
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H 2.09 in W 0.91 in L 17.72 in
Captivating 0.70ct Square Emerald Cut Diamond Ring in 18K Yellow Gold
Located in רמת גן, IL
3485000504) Metal: 18K Yellow Gold 1 diamond main stone of 0.7 carat cut: Square Emerald Cut color: F
Category

2010s Israeli Pendant Necklaces

Materials

Diamond, Emerald, 18k Gold, Yellow Gold

Brilliant 18k White Gold Natural Diamond Halo Necklace w/0.91 ct - GIA Certified
Located in רמת גן, IL
: 0.80 ct Shape: Square Color grade: D Clarity grade: VVS1 Side stone: 16 pcs Diamonds Side stone carat
Category

2010s Israeli Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold

Edwardian .85 Ct Diamond .35 Ct Sapphire 18 KT Platinum Ring
Located in Napoli, IT
diamond of approx .25 Ct (G/VS) – 4 old mine cut diamonds totalling approx .60 Ct (G/H-VVS/SI) – 4 square
Category

Antique Early 1900s European Edwardian Cluster Rings

Materials

Diamond, Sapphire, 18k Gold, Platinum

0.30 Ct Solitaire Diamond Unisex Engagement Ring in 18K White Gold
By VR Jewels
Located in Houston, TX
> Gemstone - Diamond > Gemstone Weight - 0.3 ct > Stone Size - 3.2 mm > Stone pcs - 1 > Stone Shape
Category

21st Century and Contemporary American Victorian Solitaire Rings

Materials

Diamond, 18k Gold, White Gold, Gold

Art Deco 2.70 ct Diamond 1.40 Ct Bluel Sapphire Wide Panel Ring
Located in Napoli, IT
Hallmarks: none/worn Gems: 18 old mine cut diamonds totalling approx 2.70 Ct (H/I-VVS/SI) – 24 square
Category

Vintage 1920s European Art Deco Cluster Rings

Materials

Diamond, Sapphire, 18k Gold, Silver

Charming 0.90ct Square-Cut Diamond Halo Ring in 18k Yellow Gold - GIA Certified
Located in רמת גן, IL
ring. Metal: 18k Yellow Gold Main stone: 1 pc Diamond Main stone carat weight: 0.73 ct Shape
Category

2010s Israeli Engagement Rings

Materials

Diamond, 18k Gold, Yellow Gold

Ravishing 18k Yellow Gold Halo Ring w/ 2.05 ct Natural Diamonds IGI Cert
Located in רמת גן, IL
A beautiful ring with a dazzling 1.5 carat square cushion modified brilliant natural diamond. It
Category

2010s Israeli Cluster Rings

Materials

Diamond, 18k Gold, Yellow Gold

Magnificent 18k Yellow Gold Antique Style Ring w/ 0.83 ct Natural Diamonds IGI C
Located in רמת גן, IL
A captivating antique style ring with a dazzling 0.8-carat square emerald cut natural diamond. It
Category

2010s Israeli Engagement Rings

Materials

Diamond, 18k Gold, Yellow Gold

18K Yellow Gold Square Cut Ruby Sea Wave Ring with Diamonds
By VR Jewels
Located in Houston, TX
Weight - 0.17 ct > Gemstone pcs - 1 > Gemstone shape - Square > Gemstone size - 2 mm > Diamond weight
Category

21st Century and Contemporary American Modern Three-Stone Rings

Materials

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

18K White Gold Square Cut Blue Sapphire and Diamonds Cocktail Ring
By VR Jewels
Located in Houston, TX
> Gemstone Weight - 0.76 ct > Gemstone Shape - Square > Gemstone Size - 4.7 mm > Gemstone pcs - 1 > Diamond
Category

21st Century and Contemporary American Modern Cocktail Rings

Materials

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

Captivating 18k White Gold Halo Ring with 1.86 Ct Natural Pink Diamonds GIA Cert
Located in רמת גן, IL
with a GIA certificate and online inscription number. 1 diamond main stone of 1.86 carat cut: Square
Category

2010s Israeli Cluster Rings

Materials

Pink Diamond, 18k Gold, White Gold

Distinctive Square Cut Emerald and Diamond Bracelet Studded in 18K Yellow Gold
By VR Jewels
Located in Houston, TX
- Emerald > Stone Weight - 1.6 ct > Stone Shape - Square > Stone Pcs - 8 > Stone Size - 4 mm > Diamond
Category

21st Century and Contemporary American Art Deco Modern Bracelets

Materials

Diamond, Emerald, Gold, 18k Gold, Yellow Gold

Antique 17th ct. Cross Crucifix Diamonds 19K Yellow Gold / 9 gr
Located in SE
Diamonds, all of table cut about 2 ctw. Hand - engraved decorations on the back side. Back side is a bit
Category

Antique Late 17th Century European Renaissance Pendant Necklaces

Materials

Sapphire, 18k Gold

925 Sterling Silver Square Cut Pink Sapphire and Diamond Check Band Ring
Located in Houston, TX
size - 2 mm Gemstone pcs - 17 Gemstone weight - 0.63 ct Diamond size - 1 mm Diamond pcs - 16 Diamond
Category

21st Century and Contemporary American Art Deco Band Rings

Materials

Diamond, Sapphire, Pink Sapphire, Silver, Sterling Silver

Awe-Inspiring Toi et Moi Square Emerald Diamond Ring in 18K White Gold
By VR Jewels
Located in Houston, TX
Weight - 1.18 ct Gemstone pcs - 1 Gemstone shape - Square Gemstone size - 6 mm Diamond weight - 0.86 ct
Category

21st Century and Contemporary American Art Deco Engagement Rings

Materials

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

Estate 17.50 Ct. Aquamarine Natural Sapphire Diamond Pendant
Located in Napoli, IT
aquamarine of approx 17.50 Ct (21.4 mm. x 12.9 mm.) – 28 square faceted cut natural blue sapphires totalling
Category

Mid-20th Century Italian Contemporary Pendant Necklaces

Materials

Aquamarine, Diamond, Sapphire, 18k Gold, Platinum

GIA 1.73 Ct F/ VS2 Asscher Cut Diamond Duo Necklace W. 0.43 Ct on the Side
By Sebastian Bernard
Located in Los Angeles, CA
A beautiful F/VS2 GIA Certified 1.73 Ct Asscher cut (Square Emerald Cut) sits in the center of a
Category

2010s American Pendant Necklaces

Materials

Diamond, Tanzanite, 18k Gold

Solitaire 1.02 Ct Round Diamond Pendant Illusion Set for 5 Ct. Look in 18K Gold
Located in Honolulu, HI
" Diamonds: 4 Marquise Shape and 1 Square Princess Cut Diamond Total Weight: 1.02 Carat Diamond Color: G
Category

21st Century and Contemporary Hong Kong Modern Pendant Necklaces

Materials

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

Cushion Shaped White Moon Guilloche Stone Pendant 18k Rose Gold 1 Diam. 0.04 ct
By Victor Mayer
Located in Pforzheim, DE
Victor Mayer square shaped pendant 18k rose gold, Era collection, 1 diamond 0.04 ct G VS brilliant
Category

21st Century and Contemporary German Contemporary Pendant Necklaces

Materials

Diamond, Moonstone, 18k Gold, Rose Gold

Art Deco 3.51 ct Diamond Emerald Platinum Bracelet circa 1920
Located in Goettingen, DE
squares and completely set with 72 radiant diamonds, totaling 2.91 ct. A total of 3.51 ct diamonds were
Category

Vintage 1920s German Art Deco Link Bracelets

Materials

Diamond, Emerald, Platinum

Stunning 1pc Ideal Cut Natural Diamond w/1.01 ct - IGI Certified
Located in רמת גן, IL
Stunning 1pc Ideal Cut Natural Diamond w/1.01 ct - IGI Certified A stunning 1.01 carat square
Category

2010s Israeli Loose Gemstones

Materials

Diamond

Estate 13.40 Ct Star Sapphire Diamond Gent 18 Kt Ring
Located in Napoli, IT
(diameter is 11.98 mm.) – 2 rectangular cut diamonds totalling approx .10 Ct (G/VVS) UK size: L 1/2 US size
Category

Mid-20th Century European Contemporary Signet Rings

Materials

Diamond, Star Sapphire, 18k Gold

14k Gold Square Charm Diamond Necklace Dainty Charm Necklace
By Oshi Jewels
Located in Bangkok, TH
Square Charm Diamond Necklace is made of 14k solid gold available in three colors of gold, Rose
Category

21st Century and Contemporary Thai Modern Pendant Necklaces

Materials

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

18k Gold Square Charm Diamond Necklace Dainty Charm Necklace
By Oshi Jewels
Located in Bangkok, TH
Square Charm Diamond Necklace is made of 18k solid gold available in three colors of gold, Rose
Category

21st Century and Contemporary Thai Modern Pendant Necklaces

Materials

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

Unique Platinum Solitaire Ring with 0.80 Ct Natural Diamonds, IGI Cert
Located in רמת גן, IL
. This ring comes with an IGI report and a fancy box. -1 diamond main stone of 0.80 ct. Cut: Cut
Category

2010s Singaporean Solitaire Rings

Materials

Diamond, Platinum

Rare and Pristine 3.51ct Ideal Cut Square Cushion Brilliant Diamond - IGI
Located in רמת גן, IL
Rare and Pristine 3.51 ct Ideal Cut Square Cushion Brilliant Diamond - IGI Certified Discover the
Category

2010s Israeli Loose Gemstones

Materials

Diamond

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1 Ct Square Diamond For Sale on 1stDibs

Surely you’ll find the exact 1 ct 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, Platinum and White Gold. Find an antique version now, or shop for 24 vintage or 63 modern creation for a more contemporary example of these cherished accessories. If you’re looking for a 1 ct square 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 20th Century while another version may have been produced as recently as the 21st Century. Finding an appealing 1 ct square diamond — no matter the origin — is easy, but LB Exclusive, Sarosi By Timeless Gems and Cellini 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 cushion cut cut versions available here, too. Finding a 1 ct square diamond for sale for women should be easy, but there are 28 pieces available to browse for unisex as well as men, too.

How Much is a 1 Ct Square Diamond?

The price for a 1 ct square diamond starts at $339 and tops out at $230,000 with these rings, on average, selling for $4,375.