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20 Carat Cushion Diamond

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20 Carat Cushion Halo Diamond Tennis Necklace
By Antinori Fine Jewels
Located in Rome, IT
additional .80 carats of Cushion Cut Diamonds add a touch of finesse to the overall design. This Platinum
Category

2010s Italian Modern Link Necklaces

Materials

Diamond, White Diamond, Platinum

~20 Carat Colombian Emerald Cushion Cut GRS Certified and Diamond 18K Set
By Gad & Co.
Located in Miami, FL
Ring Center Stone: Gemstone Type: Colombian Emerald Carat: 7.60 carats Cut: Cushion Cut Color
Category

21st Century and Contemporary Cocktail Rings

Materials

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

Retro Deep Blue 20 Carat Cushion Aquamarine Cocktail Ring
Located in Santa Barbara, CA
Gemstone: Aquamarine Carat Weight: 20.75 Cut: Cushion Color: greenish Blue Clarity: Transparent Accent
Category

Vintage 1940s Retro Cocktail Rings

Materials

Aquamarine, Diamond, Platinum

Rose Gold Plated Sterling Silver 1/20 Carat Diamond Cushion Dangle Earrings
Located in New York, NY
sterling silver and plated with rose gold. Fashioned in the cushion shape, the earrings are embellished
Category

21st Century and Contemporary Indian Contemporary Dangle Earrings

Materials

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

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

3.11 Carat H VS1 Cushion Brilliant Diamond Platinum Engagement Ring
Located in New York, NY
A gorgeous antique cut lively antique cut cushion brilliant weighing 3.11 carats is the centerpiece
Category

Vintage 1950s Bridal Rings

Materials

Diamond, Platinum

Natural 13.12 Carat Cushion Cut Amethyst & Diamond Dangling Earrings
Located in Miami, FL
: Amethyst ✔ Carat: 6.15 CTTW ✔ Color: Purple ✔ Cut: Cushion Side Stone Details: ✔ 20 round diamonds at
Category

21st Century and Contemporary Contemporary Dangle Earrings

Materials

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

Mauboussin Paris 20 Carat Amethyst and Diamond Ring
By Mauboussin
Located in Bay Harbor Islands, FL
approximately 20 carats and is flanked by triangular shaped panels pave set with 68 round brilliant cut diamonds
Category

Late 20th Century French Modern Cocktail Rings

Materials

Amethyst, Diamond, 18k Gold, Yellow Gold

Platinum 3.97 Carat Cushion Cut Sapphire and 0.64 Carat Diamond Cluster Ring
Located in Hamilton, AU
Forged in platinum, this fabulous art deco inspired ring features an enchanting 3.97 carat cushion
Category

21st Century and Contemporary Australian Contemporary Engagement Rings

Materials

Diamond, Sapphire, Platinum

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

FGL Certified 2.15 Carat Cushion Alexandrite Diamond Halo Gold Engagement Ring
Located in Stamford, CT
halo of 20 round cut diamonds and diamonds along each side of the shank. 1 cushion cut green to
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Chrysoberyl, Alexandrite, Yellow Gold, 18k Gold, 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

5.69 Carat Cushion Cut Amethyst Sapphire Diamond Rose Gold Cocktail Ring
By Roshe Jewels
Located in Los Angeles, CA
Carats and is embellished with 20 Pink Sapphires and Amethysts that weigh 1.31 Carats. The shank is
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Sapphire, Diamond, Amethyst, Rose Gold, 14k Gold

9.0 Carat Cushion Cut Aquamarine Diamond Platinum Cocktail Ring Modern
Located in Boca Raton, FL
Beautiful 9.0 carat aquamarine diamond cocktail ring fashioned in platinum. The cushion cut
Category

21st Century and Contemporary American Modern Cocktail Rings

Materials

Diamond, White Diamond, Aquamarine, Platinum

Estate Diamond Bracelet 23.91 Total Carats 4.36 Cushion Center GIA Cert
Located in Wailea, HI
the wrist in a cascade of light. The 40 Round Diamonds totaling 6.80 carats, 20 Round Diamonds
Category

Early 20th Century Retro Bracelets

Materials

Diamond, Platinum

Contemporary IGI Certified 1.60 Carat Cushion Cut Diamond Halo Ring Platinum
Located in Hamilton, AU
and details are listed below. The central cushion cut diamond weighs 1.16 carats with M colour and SI2
Category

21st Century and Contemporary Unknown Contemporary Engagement Rings

Materials

Diamond, Platinum

Cober with bright Green 11.61 Carat Tourmaline 20 Diamonds White Gold Ring
By Vincent Cober
Located in OSS, NH
Green 11.61 Carat Tourmaline 20 Diamonds White Gold Ring The 18K white gold ring with a unique bright
Category

2010s Dutch Contemporary Cocktail Rings

Materials

Diamond, Tourmaline, White Gold

14 Karat Yellow Gold Cushion Yellow Diamonds Eternity Ring '3 1/2 Carat'
Located in San Francisco, CA
This Eternity Ring showcase perfectly matched 20 Cushion shape Natural Yellow Diamonds in a total
Category

21st Century and Contemporary American Band Rings

Materials

Diamond, Yellow Gold

18 Karat Yellow Gold Cushion Yellow Diamonds Eternity Ring '3 1/2 Carat'
Located in San Francisco, CA
This Eternity Ring showcase perfectly matched 20 Cushion shape Natural Yellow Diamonds in a total
Category

21st Century and Contemporary American Band Rings

Materials

Diamond, Yellow Gold

14 Carat Antique Cushion Shaped Citrine and Old Mine Cut Diamond Pendant
Located in beverly hills, CA
total. Citrine: 14 carats (approx) Diamond: Old Mine Cut 0.80 carat Measurement: 20mm x 20 mm. (30 mm
Category

Antique 19th Century Edwardian Pendant Necklaces

Materials

Citrine, Diamond

5.67 Carat Cushion Cut Amethyst Pink Sapphire Diamond Rose Gold Cocktail Ring
By Roshe Jewels
Located in Los Angeles, CA
5.67 Carat Cushion Cut Amethyst Pink Sapphire Diamond Rose Gold Cocktail Ring Beautiful to say the
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Amethyst, Pink Sapphire, Sapphire, Diamond, Rose Gold, 14k Gold

6.17 Carat Cushion Cut Amethyst Peridot Sapphire Diamond Rose Gold Cocktail Ring
By Roshe Jewels
Located in Los Angeles, CA
This ring has a beautiful dark purple Cushion Cut Amethyst that weighs 3.77 Carats in the center of
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Topaz, Peridot, Sapphire, Diamond, Amethyst, Rose Gold, 14k Gold

Natural 1.96 Carat Cushion Cut Blue Sapphire & Diamond Platinum Trilogy Ring
Located in Hamilton, AU
cushion cut diamonds total 0.66 carats with G colour and SI clarity grades. Ring Size M (Australia and UK
Category

21st Century and Contemporary Australian Contemporary Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

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

30.57 Carat Cushion Cut Kunzite Box Ring with Mixed Color Diamonds
By Coomi
Located in Secaucus, NJ
Affinity Box Ring Set in 20 Karat Yellow Gold with 30.57 Carat Kunzite and 5.23 Carat Diamonds
Category

21st Century and Contemporary Thai Modern Cocktail Rings

Materials

White Diamond, Brown Diamond, Kunzite, Yellow Gold

6.41 Carat Cushion Cut Blue Topaz Sapphire Diamond Yellow Gold Cocktail Ring
By Roshe Jewels
Located in Los Angeles, CA
6.41 Carat Blue Topaz Sapphire Diamond Yellow Gold Cocktail Ring Beautiful to say the Least
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Blue Topaz, Topaz, Pink Sapphire, Sapphire, Diamond, Yellow Gold, 14k Gold

GIA Certified 6.50 Carat '30pt each' Cushion Cut Diamond Eternity Band Ring
By GEMME
Located in New York, NY
20 Cushion Cut Diamonds weighing 6.50 Carats. Stone are of D-F Color and VS-VVS Clarity. Set in
Category

2010s American Contemporary Band Rings

Materials

Diamond, Platinum

GIA 0.65 Cushion 18K Gold Cushion Cut Natural Diamond Split Shank Ring
Located in San Francisco, CA
Cushion Cut diamond accompanied by twenty (20) Round Brilliant Cut diamonds on a split shank setting
Category

21st Century and Contemporary American Engagement Rings

Materials

Diamond, 18k Gold, White Gold

2.35 Carat Cushion NO HEAT GIA Sapphire Diamond Emerald Vintage Platinum Ring
Located in Montreal, QC
2.35 Carat Cushion NO HEAT Sapphire GIA Diamond and Emerald Vintage Platinum Ring Fine Estate
Category

21st Century and Contemporary Modern Cocktail Rings

Materials

Diamond, Emerald, Sapphire, Platinum

5.10 Carat Cushion Cut Citrine, Pink Sapphire Diamond 14 Karat Rose Gold Ring
By Roshe Jewels
Located in Los Angeles, CA
Diamonds and Pink Sapphires. There are 22 Round Cut Pink Sapphires that weigh 0.68 carats and 20 Round Cut
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Pink Sapphire, Diamond, Citrine, 14k Gold, Rose Gold

TJD 1.35 Carat Morganite & Diamond 14KT Gold Cushion Frame Halo Pendant Necklace
By TJD
Located in New York, NY
This beautiful halo pendant necklace is studded with 20 single cut natural diamonds and 1 cushion
Category

2010s Indian Contemporary Pendant Necklaces

Materials

Diamond, Morganite, Gold, 14k Gold, Rose Gold

Scarselli Six Carat Fancy Yellow Cushion Cut Diamond Ring in Platinum, GIA
By SCARSELLI
Located in New York, NY
From SCARSELLI, this beautiful statement ring features a 6.02 carat Fancy Yellow Cushion Cut
Category

2010s American Contemporary Three-Stone Rings

Materials

Yellow Diamond, Platinum

18 Karat Yellow Gold Cushion Yellow Diamonds Eternity Ring '4. Carat'
Located in San Francisco, CA
This Eternity Ring showcase perfectly matched 20 Oval shape Natural Yellow Diamonds in a total
Category

21st Century and Contemporary American Band Rings

Materials

Diamond, Yellow Diamond, Yellow Gold

18K White Gold Halo Diamond 8.40 Carat Cushion Cut Tourmaline Engagement Ring
Located in Los Angeles, CA
8.40 Carats, 32 Round Diamonds, F-G Color VS1-VS2 Clarity, 1.20 Carats. Size- Ring is a 6 1/2. FREE
Category

21st Century and Contemporary Modern Cocktail Rings

Materials

Diamond, Tourmaline, 18k Gold, White Gold

2 Carat Natural Cushion Cut Emerald & Diamond Ring 14 Karat White Gold
Located in New York, NY
A classic, Cocktail ring 2 Carat Natural Cushion Cut Emerald & Diamond Ring 14 Karat White Gold
Category

2010s Solitaire Rings

Materials

Emerald, Diamond, 14k Gold, White Gold

11.57 Carat Cushion Cut Emeralds and Diamond Halo Earrings in 18K White Gold
Located in NEW YORK, NY
, accented with a row of 20 oval shape brilliant diamonds weighing 5.41 carats total. Made in 18k white gold
Category

21st Century and Contemporary American Modern More Earrings

Materials

Diamond, Emerald, White Gold

18 Karat Yellow Gold Cushion Yellow Diamonds Eternity Ring '5. Carat'
Located in San Francisco, CA
This Eternity Ring showcase perfectly matched 20 Oval shape Natural Yellow Diamonds in a total
Category

21st Century and Contemporary American Band Rings

Materials

Diamond, Yellow Gold

Goshwara Prasiolite Cushion Earrings with Diamonds
By Goshwara
Located in New York, NY
Carats (Diamonds) * Color: G/H * Clarity: VS * Stone Size: 20 x 15 mm * Metal: 18K Yellow Gold * Backs
Category

21st Century and Contemporary American Contemporary More Earrings

Materials

Diamond, 18k Gold

Captivating 10.56 Carat Square Cushion Amethyst Ring
Located in רמת גן, IL
grade: 20 diamond side stone of 1.60 carat cut: round brilliant color: F-G clarity: I1 - I2 cut grade
Category

2010s Israeli Cocktail Rings

Materials

Amethyst, 14k Gold, White Gold

CERTIFIED 8.04 Carat Cushion Cut Emerald Diamond Halo Earring in 18K White Gold
Located in NEW YORK, NY
a single row of oval-cut brilliant diamonds. 20 Accent diamonds weigh 2.72 carats in total. Set in
Category

21st Century and Contemporary American Modern Clip-on Earrings

Materials

Diamond, Emerald, 18k Gold, White Gold

Antique Victorian Cushion Cut Emerald & Diamond Toi Et Moi Ring 22 Carat Gold
Located in Hamilton, AU
weigh 0.20 carats with F colour and Si clarity grades. The bright green cushion cut emerald is estimated
Category

20th Century Unknown Victorian Engagement Rings

Materials

Emerald, White Diamond, Diamond, 22k Gold, Yellow Gold, Gold

7.77 Carat Cushion Cut Emerald and Diamond Halo Earring in 18K White Gold
Located in NEW YORK, NY
a single row of oval cut brilliant diamonds. 20 Accent diamonds weigh 3.70 carats total. Set in 18
Category

21st Century and Contemporary American Modern Clip-on Earrings

Materials

Diamond, Emerald, 18k Gold, White Gold

3.321 Carat Ceylon Blue Cushion Sapphire in 18K Yellow Gold Diamond Halo Pendant
Located in Manchester By The Sea, MA
. The Sapphire is surrounded by a stunning halo of 20 diamonds with a total weight of 0.26 Carats. As
Category

21st Century and Contemporary American Modern Pendant Necklaces

Materials

Diamond, Blue Sapphire, Yellow Gold

8.70 Carat Cushion Sapphire and Diamond Cocktail Ring in 18 Karat White Gold
Located in Chicago, IL
You'll make the statement with this ring that features a GIA certified 8.70 carat elongated cushion
Category

2010s American Contemporary Cocktail Rings

Materials

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

20 Carat Emerald Cut Aquamarine & Diamond 14 Karat White Gold Cocktail Ring
Located in Boca Raton, FL
aquamarine weighs approximately 20 carats and the 6 round brilliant cut diamond accents weigh approximately
Category

Late 20th Century American Modern Cocktail Rings

Materials

Aquamarine, Diamond, 14k Gold, White Gold

Rare Green Tanzanite 12.68 Carat Cushion In Platinum 950 & Baguette Diamond Ring
By Gad & Co.
Located in Miami, FL
Details: - Type: Zoiesite Tanzanite - Carat: 12.68 - Cut: Cushion - Color: Green IGI Certificate
Category

20th Century North American Art Deco Cocktail Rings

Materials

Diamond, Tanzanite, Platinum

2.86 Carat Cushion Cut Ceylon Sapphire & Diamond Platinum Enhancer Pendant
Located in Hamilton, AU
diamonds total 0.36 carats with F colour and VS clarity grades. Size The pendant measures approximately
Category

21st Century and Contemporary Unknown Contemporary Pendant Necklaces

Materials

Diamond, Sapphire, Platinum

Bailey Banks and Biddle 6.97 Carat Sri Lanka Cushion Sapphire Diamond Ring GIA
Located in Addison, TX
natural GIA Certified 6.97 carat Cushion Cut blue sapphire. It is accented with two bullet cut diamonds
Category

Vintage 1950s Art Deco Cocktail Rings

Materials

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

CERTIFIED 6.15 Carat Cushion Cut Ruby and Diamond Halo Earring in 18K White Gold
Located in NEW YORK, NY
, surrounded by a single row of oval-cut brilliant diamonds. 20 Accent diamonds weigh 2.78 carats in total. Set
Category

21st Century and Contemporary American Modern Clip-on Earrings

Materials

Diamond, Ruby, 18k Gold, White Gold

Goshwara Cushion Rock Crystal and Diamond Pendant
By Goshwara
Located in New York, NY
Rock Crystal Cushion Pendant in 18K Rose Gold with Diamonds, from 'Gossip' Collection. Like any
Category

21st Century and Contemporary Indian Contemporary More Jewelry

Materials

Diamond, Rock Crystal, 18k Gold

Goshwara Cushion Golden Rutilated and Diamond Earrings
By Goshwara
Located in New York, NY
' Collection Stones Size: 20 x 15 mm Gemstone Approx Wt: Rutilated- 43.32 Carats Diamonds: G-H / VS, Approx
Category

21st Century and Contemporary American Contemporary More Earrings

Materials

Diamond, 18k Gold

.925 Sterling Silver Blue Topaz and 1/20 Carat Diamond Fashion Tennis Bracelet
Located in New York, NY
secure clasp. Total diamond weight is 1/20 ctw and each cushion cut blue topaz measures 7x7 mm. 'Video
Category

21st Century and Contemporary Indian Contemporary Tennis Bracelets

Materials

Diamond, White Diamond, Topaz, Blue Topaz, Sterling Silver

Goshwara Amethyst Cushion with Diamonds Earrings
By Goshwara
Located in New York, NY
Size 20 X 15mm Gemstone Approx. Wt: Amethyst- 38 Carats Diamonds: G-H / VS, Approx. Wt: 0.35 Carats
Category

21st Century and Contemporary Indian Contemporary More Earrings

Materials

Amethyst, Yellow Gold

Goshwara Cushion Citrine with Diamonds Earrings
By Goshwara
Located in New York, NY
Size 20 X 15mm Gemstone Approx. Wt: Citrine- 38.80 Carats Diamonds: G-H / VS, Approx. Wt: 0.50 Carats
Category

21st Century and Contemporary Indian Contemporary More Earrings

Materials

Citrine, Yellow Gold

1.14 Carat Diamond Moonlight Cushion Cluster Pendant in 14K White Gold
Located in New York, NY
Elevate your elegance with the 1.14 Carat Diamond Moonlight Cushion Cluster Pendant, a mesmerizing
Category

21st Century and Contemporary Hong Kong Modern Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold

Garnet Diamond Studs Earrings, 2.50 Halo of Diamonds, White Gold, Cushion Garnet
By Five Star Jewelry
Located in Austin, TX
: 14 Karat White Gold Earring Type: Stud Diamond Number: 48 Diamond Total Weight: .20 Carat Diamond
Category

21st Century and Contemporary American Modern Stud Earrings

Materials

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

David Yurman Crossover Capri Cushion 2.00 Carat Halo Ring Platinum GIA
By David Yurman
Located in San Diego, CA
the center stone. Style: Halo Metal: Platinum Size: 4.25 Tcw: 2.00 tcw Main Diamond: Cushion
Category

2010s American Engagement Rings

Materials

Diamond, Platinum

Vintage Platinum 3.43ctw AGL Cushion Sapphire & Diamond Ballerina Cocktail Ring
Located in Montclair, NJ
baguette diamonds totaling approximately 1.35 carats in weight. Those diamonds sparkle with unbelievable
Category

2010s Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Platinum and Rose Gold Diamond Engagement Ring Cushion and Pink Diamonds
Located in San Diego, CA
: 6.25 - sizable Total Carat Weight: 1.50 tcw Diamond Shape: Cushion Cut Approximately 1.00 cts Diamond
Category

2010s American Engagement Rings

Materials

Diamond, 14k Gold, Rose Gold, Platinum

Blue Sapphire Cushion and Diamond Engagement Ring in Platinum
Located in New York, NY
follows: Blue sapphire weight : 3.28 carats Diamond weight : 1.06 carat ( GH color and VS clarity
Category

2010s American Engagement Rings

Materials

Diamond, Blue Sapphire, Platinum

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20 Carat Cushion Diamond For Sale on 1stDibs

You are likely to find exactly the 20 carat cushion diamond you’re looking for on 1stDibs, as there is a broad range for sale. Every item for sale was constructed with extraordinary care, often using Gold, Platinum and 18k Gold. In our selection of items, you can find a vintage example as well as a contemporary version. You’re likely to find the perfect 20 carat cushion diamond among the distinctive items we have available, which includes versions made as long ago as the 19th Century as well as those produced as recently as the 21st Century. For this particular accessory, there are many different carat weights to choose from, but .5 Carat and 1 Carat versions are of considerable interest. There have been many well-made iterations of the classic 20 carat cushion diamond over the years, but those made by Cirari, Single Stone and Berca Atelier are often thought to be among the most beautiful. See these pages for a cushion cut iteration of this accessory, while there are also antique cushion cut cut and old mine cut cut versions available here, too. If you’re browsing our inventory for a 20 carat cushion 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 20 Carat Cushion Diamond?

On average, a 20 carat cushion diamond at 1stDibs sells for $10,464, while they’re typically $535 on the low end and $1,575,000 for the highest priced versions of this item.