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18 Carat Cushion Cut Diamond

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Cushion Cut Diamond Crescent Hoop Earrings 6.68 Carats 18 KT Average 0.20 CTS
By Harbor Diamonds
Located in New York, NY
Crescent motif diamond hoop earrings featuring 34 Cushion cuts weighing 6.68 carats, in 18 karat
Category

2010s Contemporary Hoop Earrings

Materials

Diamond, 18k Gold, White Gold

GIA Certified 1.72 Carat Cushion Cut Natural Diamond Ring in 18 Karat Gold ref94
By Diamond Town
Located in New York, NY
This exquisite, handcrafted ring boasts a 1.72 carat GIA certified cushion-cut center diamond, with
Category

21st Century and Contemporary Contemporary Bridal Rings

Materials

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

6 Carat Cushion Blue Topaz 18 Karat White Gold 0.38 Carat Diamond Halo Ring
By Hasbani Diamonds
Located in London, GB
An impressive 6 Carat (approximately) Cushion Cut Blue Topaz Dress / Engagement Ring surrounded by
Category

2010s British Modern Engagement Rings

Materials

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

Cushion Cut Diamond Ring, 18 Carat Rose Gold
By Deborah Cadby | Cadby & Co.
Located in Bude, GB
Antique cushion cut diamond ring. Ref: R19001 0.76cts antique cushion cut diamond Clarity VS2
Category

2010s British Contemporary Engagement Rings

Materials

Diamond, Gold, Platinum, 18k Gold, Rose Gold

Celebration Cushion Diamond Ring Double Halo 1.20 Carat 18 Karat White Gold
By Celebration Diamond
Located in San Diego, CA
White Gold Size: 5.25 - Sizable Total Carat Weight: 1.20 TCW Diamond Shape: Cushion Cut Diamond 0.45
Category

2010s American Engagement Rings

Materials

Diamond, 18k Gold, White Gold

1.80 Carat Cushion Cut Diamond Cross
By GEMME
Located in New York, NY
6 elongated Cushion Cut Diamonds make up this beautiful and understated cross. Stones weighing
Category

2010s Pendant Necklaces

Materials

Diamond

43 Carat Cushion-Cut Tanzanite Pendant Necklace with 18 Carat Diamonds, Estate
Located in New York, NY
carats of shimmering white diamonds, this brilliant cushion-cut gem exhibits the rich violetish-blue
Category

20th Century Drop Necklaces

Materials

Diamond, Tanzanite, 14k Gold

11.59 Carat Cushion Cut Diamond Engagement Ring 18 Karat in Stock
Located in Boca Raton, FL
18k White Gold 11.59ctw Cushion Cut Diamond Engagement Ring This beautiful 11.59 total carat
Category

21st Century and Contemporary American Engagement Rings

Materials

Diamond, 18k Gold, White Gold, Gold

GIA Certified 4 Carat Fancy Yellow Cushion Cut Diamond Studs Set in 18 Carats
By Antinori Fine Jewels
Located in Rome, IT
GIA Certified 4 Carat Fancy Yellow Cushion Cut Diamond Studs set in 18 Carats
Category

2010s Italian Modern Stud Earrings

Materials

Diamond, Yellow Diamond, 18k Gold, Yellow Gold

Faye Kim 18 Karat Gold Cushion Brilliant Cut Diamond Ring, 1.04 Carats
By Faye Kim
Located in Westport, CT
Faye Kim's Cushion Brilliant Cut Diamond Ring features an open bezel in 18 karat gold with a matte
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, 18k Gold, Gold

Faye Kim 18 Karat Gold Cushion Brilliant Cut Diamond Ring - 1.20 Carats
By Faye Kim
Located in Westport, CT
Faye Kim's Cushion Brilliant Cut Diamond Ring features an open bezel in 18 karat gold with a matte
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Gold, 18k Gold

3.32 Carat Old Victorian Cushion Cut Diamond 18 Carat Gold Engagement Ring
Located in London, GB
Beautiful hand made engagement ring set with an old Victorian cushion cut diamond weighing 3.32
Category

2010s English Edwardian Engagement Rings

Materials

Diamond, White Gold, Gold, 18k Gold

1.05 Carat Certified Cushion Cut Diamond 18 Carat White Gold Engagement Ring
Located in Hamilton, AU
-carat cushion cut diamond with three shimmering round brilliant cut diamonds on each shoulder. We have
Category

21st Century and Contemporary Australian Contemporary Cluster Rings

Materials

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

Contemporary 0.99 Carat Cushion Cut Diamond Cluster Ring 18 Carat White Gold
Located in Hamilton, AU
Details The centre cushion cut diamond weighs 0.59 carats, is G colour and SI2 clarity grades. This
Category

20th Century Unknown Contemporary Cluster Rings

Materials

Diamond, Gold, 18k Gold, White Gold

18 Carat Cushion Cut Purple Amethyst 1ct Diamond Cocktail Statement Ring 18k
Located in Jaipur, RJ
18 carat Cushion Cut Purple Amethyst 1 CT Diamond Cocktail Statement Ring 18k Available in 18k
Category

Early 2000s Indian Art Deco Cocktail Rings

Materials

Amethyst, Diamond, 18k Gold

3.44 Carat Cushion Cut Yellow Diamond Cross
By GEMME
Located in New York, NY
This cross features 6 perfectly matched Cushion Cut Yellow Diamonds weighing 3.44 Carats and set
Category

2010s American Contemporary Pendant Necklaces

Materials

Yellow Diamond, 18k Gold

3.44 Carat Cushion Cut Yellow Diamond Cross
3.44 Carat Cushion Cut Yellow Diamond Cross
Free Shipping
H 0.75 in W 0.5 in L 17 in
2.42 Carat Fancy Cushion Cut Diamond Band 18 Karat in Stock
Located in Boca Raton, FL
Material: 18k Yellow Gold Diamond Details: Approx. 2.42ctw of cushion cut fancy color Diamond
Category

21st Century and Contemporary American Wedding Rings

Materials

Diamond, Yellow Diamond, 18k Gold, Yellow Gold

GIA 1.62 Carat Cushion Cut Diamond Ring 18 Karat H/VS
Located in New York, NY
GIA 1.02ct cushion cut diamond ring. H-color vs-1 clarity Report Id: 1229939821 Please see
Category

2010s American Solitaire Rings

Materials

Diamond, 18k Gold, White Gold

2.54 Carat Cushion Cut Spinel and Diamond 18 Carat White Gold Cluster Ring
Located in Hamilton, AU
bright pinkish purple cushion cut natural spinel complimented by a total of 0.45 carats of sparkling
Category

21st Century and Contemporary Australian Contemporary Engagement Rings

Materials

Diamond, Spinel, 18k Gold, White Gold

6.71 Carat Cushion Cut Diamond Eternity Band 18 Karat In Stock
Located in Boca Raton, FL
18k White Gold 6.71ctw Cushion Cut Diamond Eternity Band Material: 18k White Gold Diamond Details
Category

21st Century and Contemporary American Band Rings

Materials

Diamond, Gold, 14k Gold, White Gold

1.78 Carat Cushion Cut Diamond Engagement Ring 18 Karat in Stock
Located in Boca Raton, FL
18k White Gold 1.78ctw Cushion Cut Diamond  Engagement Ring Raymond Lee Jewelers in Boca Raton
Category

21st Century and Contemporary American Engagement Rings

Materials

Diamond, Gold, 18k Gold, White Gold

15 Carat Cushion Cut Morganite in 18 Karat Yellow Gold Mounting with Diamonds
Located in Palm Desert, CA
Set in 18 karat yellow gold is a 15 carat Cushion Mixed Cut Morganite with 56 round brilliant cut
Category

21st Century and Contemporary Unknown More Rings

Materials

Diamond, Morganite, 18k Gold, Yellow Gold

3 Carat GIA Certificate G Color Cushion Diamond Platinum Bespoke Engagement Ring
By Hasbani Diamonds
Located in London, GB
A bespoke 3.00 carat cushion cut diamond engagement ring with the perfect combination of elegance
Category

2010s British Modern Engagement Rings

Materials

Diamond, Platinum

3 Carat GIA Certificate E Color Cushion Diamond Platinum Bespoke Engagement Ring
By Hasbani Diamonds
Located in London, GB
A bespoke ring with one of the best colors and clarity center diamond, 3.00 carat cushion cut
Category

2010s British Modern Engagement Rings

Materials

Diamond, Platinum

10.35 Carat Cushion Cut Aquamarine Diamond Platinum Cocktail Ring
By Peter Suchy
Located in Stamford, CT
This exquisite 1940's ring features a mesmerizing 10.35 carat cushion cut aquamarine center stone
Category

Early 20th Century Cocktail Rings

Materials

Diamond, Aquamarine, Platinum

18 Karat White Gold 0.70 Carat Diamond Cushion-Cut Solitaire Engagement Ring
By Gems Paradise
Located in Jaipur, IN
18 Karat White Gold 0.70 Carat Diamond Cushion-Cut Solitaire Engagement Ring This quintessential
Category

2010s Indian Modern Engagement Rings

Materials

Diamond, 18k Gold, White Gold

GIA Certified 2.51 Carat Fancy Yellow Cushion Cut Diamond Ring 18 Karat
Located in New York, NY
GIA 1.11ct cushion cut diamond ring. Fancy light yellow color "U-V Range" Si-1 clarity Report
Category

2010s American Solitaire Rings

Materials

Diamond, Yellow Diamond, 18k Gold, Yellow Gold

18 Karat White Gold 2.50 Carat Aquamarine Cushion-Cut Diamond Cluster Ring
By Gems Paradise
Located in Jaipur, IN
18 Karat White Gold 2.50 Carat Aquamarine Cushion-Cut Diamond Cluster Ring This outstanding
Category

2010s Indian Contemporary Cluster Rings

Materials

Aquamarine, Diamond, 18k Gold, White Gold

4 Carat Cushion Cut Diamond Eternity Band Certified
Located in New York, NY
Diamonds: Carat Weight: 3.93 Carats Style: Cushion Cut Setting: U-Shape Shared Prong Metal: 18
Category

2010s American Band Rings

Materials

Diamond, 18k Gold, White Gold

6.79 Carat Cushion Cut Fancy Diamond Eternity Ring 18 Karat In Stock
Located in Boca Raton, FL
Material: 18k Yellow Gold Diamond Details: Approx. 6.79ctw of cushion cut Diamonds. Diamonds are
Category

21st Century and Contemporary American Bridal Rings

Materials

Diamond, White Diamond, 18k Gold, Yellow Gold

4.13 Carat Cushion Cut Apatite Diamond Ring 18 Karat Yellow Gold Engagement Ring
By DGI
Located in Los Angeles, CA
Emerald Cut 3.29 Carat Apatite and is surrounded by 32 Round Cut Diamonds weighing 0.84 Carats (Clarity
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Apatite, 18k Gold, Yellow Gold

5.50ct Cushion Blue Topaz Engagement Ring 0.66 Carat Round Diamond in 18ct Gold
By Hasbani Diamonds
Located in London, GB
This Stunning 5.50ct Cushion Cut Blue Topaz Engagement Ring set in 18ct White Gold with Four Claws
Category

2010s British Modern Engagement Rings

Materials

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

GIA Certified 1.74 Carat Cushion Cut Diamond Engagement Ring
By Natkina
Located in Montreux, CH
Polish. Shape and Cutting Style: Cushion Modified Brilliant Measurements 6.98 x 6.59 x 4.55 mm Diamond 1
Category

2010s Swiss Contemporary Engagement Rings

Materials

Diamond, 18k Gold, Rose Gold

0.29 Carat Cushion cut Alexandrite and Diamond Ring in 18 Karat White Gold
Located in London, GB
0.29 Carat Cushion cut Alexandrite and Diamond Ring in 18 Karat White Gold. This gorgeous ring
Category

21st Century and Contemporary Contemporary Engagement Rings

Materials

Alexandrite, Diamond, 18k Gold, White Gold

4.20 Carat Cushion Tanzanite and Diamond 18 Carat White Gold Ring
Located in London, GB
, open back setting. The beautiful stone is surrounded by 20 round brilliant cut diamonds in open back
Category

2010s English Modern Cocktail Rings

Materials

Diamond, Tanzanite, 18k Gold, White Gold

7.60 Carat Colombian Emerald GRS Certified Cushion Cut Minor Oil Diamond 18 Ring
Located in Miami, FL
Center Stone Details: Gemstone Type: Colombian Emerald Carat: 7.60 carats Cut: Cushion Cut Color
Category

21st Century and Contemporary Engagement Rings

Materials

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

20th Century 1 Carat Cushion-cut Diamonds 18 Karat White Gold Stud Earrings
Located in Poitiers, FR
adorned with an old cushion-cut diamond held in long claws on an illusion setting. The clasps are new
Category

20th Century French Retro Stud Earrings

Materials

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

37 Carat Cushion Cut Diamond Drop Earrings Certified LY
Located in New York, NY
: Light Yellow Shape: Cushion Cut Upper Dangle: Carat Weight: 10.21 Shape: Combine Mixed Shape Metal
Category

2010s American Drop Earrings

Materials

Yellow Diamond, Diamond, 18k Gold, Platinum

18 Karat White Gold 8.55 Carat Sri Lanka Sapphire Cushion Cut Diamond Ring
By GILIN
Located in Central, HK
1 Sapp - 8.55 ct GRS2017-108800 Blue / H / Sri Lanka Carat Weight: 8.55ct / Shape and cut
Category

21st Century and Contemporary Hong Kong Modern Fashion Rings

Materials

Diamond, Sapphire, White Gold

GIA Graded 2.18 Carat Cushion Cut Diamond Engagement Ring 18 Karat In Stock
Located in Boca Raton, FL
, Certificate # 6194856848. The diamond is a cushion cut, weighing 1.05 carats total. The diamond is an H in
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Gold, 18k Gold, White Gold

AGL Certified Natural 35.12 Carat Cushion-Cut Tanzanite Ring 4.5 Carat Diamonds
Located in New York, NY
AGL Certified Natural 35.12 Carat Cushion-Cut Tanzanite Ring 4.5 Carat Diamonds 18 Karat white
Category

20th Century Cocktail Rings

Materials

Diamond, Tanzanite, 18k Gold

6.50 Carat Cushion Cut Tanzanite Earrings with Diamond Halo 18 Karat in Stock
Located in Boca Raton, FL
. 1.62ctw of round cut diamonds. Diamonds are G/H in color and VS in clarity Gemstone Details: Approx
Category

21st Century and Contemporary American Dangle Earrings

Materials

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

10ct Golden Citrine Cushion Cut Ring with Diamonds and 18 Carat Yellow Gold
Located in Brisbane, AU
. •Handcrafted in 18ct yellow gold •Highest quality Golden Citrine and white diamonds •Cushion Cut •Diamonds
Category

2010s Australian Artist Cocktail Rings

Materials

Citrine, Diamond, Yellow Gold

18 Karat White Gold 1.87 Carat Cushion-Cut Aquamarine and Diamond Eternity Ring
By Gems Paradise
Located in Jaipur, IN
18 Karat White Gold 1.87 Carat Cushion-Cut Aquamarine and Diamond Eternity Ring This magnificent
Category

2010s Indian Modern Three-Stone Rings

Materials

Aquamarine, Diamond, Gold, 18k Gold, White Gold

GIA Certified 1.99 Carat Cushion Cut Diamond Engagement Ring 18 Karat in Stock
Located in Boca Raton, FL
GIA Certified 18k White Gold 1.99ctw Cushion Cut Diamond Engagement Ring Style: Women's Diamond
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Gold, 18k Gold, White Gold

22.98 Carat Fancy Yellow Diamond Cushion Cut Tennis Bracelet
By GEMME
Located in New York, NY
This beautiful tennis bracelet features 42 perfectly matched Fancy Yellow Cushion Cut Diamonds set
Category

2010s American Tennis Bracelets

Materials

Yellow Diamond, 18k Gold

18 Karat Yellow Gold Cushion Yellow Diamonds Eternity Ring '7.5 Carat'
Located in San Francisco, CA
This Eternity Ring showcase perfectly matched 17 Cushion shape Natural Yellow Diamonds in a total
Category

21st Century and Contemporary American Band Rings

Materials

Diamond, Yellow Gold

GIA Certified 10 Carat Fancy Yellow Cushion Cut Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
An exquisite 10 carat fancy yellow diamond ring set in platinum and 18 carats yellow gold the ring
Category

2010s Italian Modern Solitaire Rings

Materials

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

6 Carat Cushion Cut Diamond Engagement Ring GIA Certified X I1
Located in New York, NY
: Cushion Cut Ring: Metal: Platinum & 18 Metal Weight: 7.50 Grams Style: Round Brilliant Cut Carat weight
Category

2010s American Engagement Rings

Materials

Diamond, Yellow Diamond, 18k Gold, Platinum

13.58 Carat Cushion Cut Yellow Sapphire And Diamond Earrings
By H & H Jewels
Located in Miami, FL
These absolutely stunning cushion cut yellow sapphire and diamond earrings are handcrafted in 18
Category

2010s American Drop Earrings

Materials

Diamond, Yellow Sapphire, Gold, 18k Gold, Yellow Gold

3.02 Carat Fancy Yellow Cushion Cut Diamond Engagement Ring 18 Karat In Stock
Located in Boca Raton, FL
Cut Diamond Engagement Ring Main Diamond: Cushion Cut Fancy Light Yellow Diamond Diamond Carat Weight
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

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

7 Carat Cushion Cut Halo Diamond Leverback Earrings Certified Y
Located in New York, NY
: Cushion Cut Metal: Platinum & 18 Style: Hanging Earrings Carat Weight: 0.55 Carats Style: Round Brilliant
Category

2010s American Lever-Back Earrings

Materials

Yellow Diamond, Diamond, 18k Gold, Platinum

23 Carats Cushion Cut Diamond Single Row Bracelet Certified Y
Located in New York, NY
The CHARLEY 22.56 Carat Single Row Diamond Tennis Bracelet features CUSHION CUT DIAMONDS brilliants
Category

2010s American Tennis Bracelets

Materials

Yellow Diamond, Diamond, 18k Gold, White Gold

18 Karat Rose Gold 8.15 Carat Cushion-Cut Blue Topaz and Diamond Cocktail Ring
By Gems Paradise
Located in Jaipur, IN
18 Karat Rose Gold 8.15 Carat Cushion-Cut Blue Topaz and Diamond Cocktail Ring This classic Swiss
Category

2010s Indian Modern Cocktail Rings

Materials

Diamond, Topaz, Blue Topaz, Rose Gold

7 Carat Cushion Tanzanite and 13 Carat Diamond Pendant/ Necklace 18 Karat Gold
Located in New York, NY
7 carats of fine quality of Cushion Shape Tanzanite pendant surrounded by brilliant round cut
Category

2010s Drop Necklaces

Materials

Diamond, Tanzanite, 18k Gold

5.56 Carat Cushion Cut Three Row Fancy Diamond Wide Ring 18 Karat in Stock
Located in Boca Raton, FL
Material: 18k White Gold Diamond Details: Approx. 5.56ctw of cushion cut Diamonds. Diamonds are
Category

21st Century and Contemporary American Cocktail Rings

Materials

Diamond, Yellow Diamond, 18k Gold, White Gold

2.98 Carat Natural Yellow Diamond Cushion Cut Band 18 Karat In Stock
Located in Boca Raton, FL
Material: 18k Yellow Gold Diamond Details: There are approximately 2.98 carats of Cushion cut diamonds (9
Category

21st Century and Contemporary American Modern Band Rings

Materials

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

Na Hoku Cushion Cut Diamond Engagement Ring 1.97 Carat F VVS1 18 Karat Gold
By NA HOKU
Located in San Diego, CA
Na Hoku Cushion Cut Diamond Solitaire Engagement Ring in 18kt White Gold. Cushion Diamond is
Category

2010s American Engagement Rings

Materials

Diamond, 18k Gold, White Gold

GIA Certified 2.28 Carat Cushion Cut Natural Ceylon Sapphire Diamond Halo Ring
By Hand Made
Located in Los Angeles, CA
Indulge in elegance with our exquisite GIA Certified 2.28 Carat Unheated Cushion Cut Sapphire
Category

2010s Cluster Rings

Materials

Diamond, Sapphire, White Gold

18 Karat Rose Gold 2.23 Carat Cushion-Cut Ruby and Diamond Eternity Band Ring
By Gems Paradise
Located in Jaipur, IN
18 Karat Rose Gold 2.23 Carat Cushion-Cut Ruby and Diamond Eternity Band Ring This phenomenal
Category

2010s Indian Modern Band Rings

Materials

Ruby, Diamond, Gold, Rose Gold, 18k Gold

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18 Carat Cushion Cut Diamond For Sale on 1stDibs

You are likely to find exactly the 18 carat cushion cut diamond you’re looking for on 1stDibs, as there is a broad range for sale. Each design created in this style — which was crafted with great care and often made from gold, 18k gold and white gold — can elevate any look. Find an antique version now, or shop for 1591 vintage or 3115 modern creation for a more contemporary example of these cherished accessories. Finding the perfect 18 carat cushion cut 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. There have been many well-made iterations of the classic 18 carat cushion cut diamond over the years, but those made by Antinori Fine Jewels, Alexander Beverly Hills and Roman Malakov are often thought to be among the most beautiful. A cushion cut version of this piece has appeal, but there are also antique cushion cut and round cut versions for sale. If you’re browsing our inventory for a 18 carat cushion cut 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 18 Carat Cushion Cut Diamond?

Prices for a 18 carat cushion cut diamond can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $1 and can go as high as $4,810,000, while this accessory, on average, fetches $10,133.