Skip to main content

20 Carat Cushion Cut Diamond

7
to
55
343
72
146
94
51
24
11
11
5
5
3
1
1
1
2
36
128
334
8
5
17
6
5
4
3
10
7
12
2
24
14
12
11
10
370
127
8
505
388
225
122
149
114
486
112
105
43
38
304
40
29
12
11
to
Sort By
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

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

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

Platinum 3.97 Carat Cushion Cut Sapphire and 0.64 Carat Diamond Cluster Ring
Located in Hamilton, AU
Details The 3.97 carat faceted cushion cut natural sapphire is of a deep blue colour. The round brilliant
Category

21st Century and Contemporary Australian Contemporary Engagement Rings

Materials

Diamond, Sapphire, Platinum

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

5.69 Carat Cushion Cut Amethyst Sapphire Diamond Rose Gold Cocktail Ring
By Roshe Jewels
Located in Los Angeles, CA
accented by 36 Round Cut Diamonds that weigh 0.32 Carats (Clarity: SI2, Color: F). The total carat weight
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Sapphire, Diamond, Amethyst, Rose Gold, 14k 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

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

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

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

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

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

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

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

6.41 Carat Cushion Cut Blue Topaz Sapphire Diamond Yellow Gold Cocktail Ring
By Roshe Jewels
Located in Los Angeles, CA
! This Ring has a magnificent Cushion Cut Blue Topaz that weighs 3.93 Carats and is surrounded by 14 Blue
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

Rose Gold Plated Sterling Silver 1/20 Carat Diamond Cushion Dangle Earrings
Located in New York, NY
with shimmering round cut diamonds that are arranged in a pave setting. Simply majestic, these earrings
Category

21st Century and Contemporary Indian Contemporary Dangle Earrings

Materials

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

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

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

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
A timeless pair of earrings showcasing two cushion cut emeralds weighing 11.57 carats total
Category

21st Century and Contemporary American Modern More Earrings

Materials

Diamond, Emerald, White Gold

2.86 Carat Cushion Cut Ceylon Sapphire & Diamond Platinum Enhancer Pendant
Located in Hamilton, AU
cushion-shaped Ceylon sapphire at the centre. A plethora of carefully set shimmering round brilliant cut
Category

21st Century and Contemporary Unknown Contemporary Pendant Necklaces

Materials

Diamond, Sapphire, Platinum

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

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

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

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

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

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

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

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

5.26 Ct Fancy Intense Yellow Cushion-Cut Diamond Solitaire Engagement Ring GIA
By SCARSELLI
Located in New York, NY
5.26 carat natural fancy intense yellow cushion cut diamond, mounted on 18k yellow gold and
Category

2010s American Contemporary Solitaire Rings

Materials

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

Antique Edwardian Hallmarked Old European Cut Diamond & Ruby Band 20 Carat Gold
Located in Hamilton, AU
Lovingly crafted in 20 carat gold, The Imelda Ring is an antique treasure. Star set diamonds and
Category

Early 20th Century Unknown Edwardian Signet Rings

Materials

Diamond, Ruby, Gold, Yellow Gold

Contemporary 1.52ct GIA Certified Cushion Cut Diamond Platinum Three Stone Ring
Located in Hamilton, AU
-certified 1.52-carat cushion cut diamond that will light up the room. This fabulous gemstone is flanked by a
Category

21st Century and Contemporary Australian Contemporary Engagement Rings

Materials

Diamond, Platinum

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

Antique Edwardian Old Cut Cushion Diamond 2.0cts & Emerald Ring in Platinum
Located in London, GB
intricacy and detail is unique. 1 x cushion cut diamond centre, approximate weight 2.0 carats, estimated
Category

Antique Early 1900s British Edwardian Engagement Rings

Materials

Diamond, Emerald, Platinum

5.24tcw 14K Colombian Emerald-Cushion Cut & Diamond Three Stone Gold Necklace
Located in Jupiter, FL
Treatments: Natural, Oiling Origin: Colombia Secondary Stone: Diamond Weight: 0.56-Carats (Total) Cut
Category

2010s Modern Pendant Necklaces

Materials

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

Gin & Grace Cushion-Cut Pink Diamond with White Diamond 18k TT Gold Ring
Located in New York, NY
& Grace Ring. The 18K Two Tone Gold jewelry boasts with Cushion-cut 1 pcs 0.24 carat, Round-cut 20 pcs
Category

20th Century Chinese Art Deco Engagement Rings

Materials

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

Estate Diamond Bracelet 23.91 Total Carats 4.36 Cushion Center GIA Cert
Located in Wailea, HI
impeccable craftsmanship. At the heart of this stunning piece lies a resplendent Cushion Cut Diamond
Category

Early 20th Century Retro Bracelets

Materials

Diamond, Platinum

18K White Gold 3.10ctw GIA Cushion Cut Emerald Solitaire & Diamond Cocktail Ring
Located in Montclair, NJ
channel of baguette cut diamonds. The emerald is a nice large size, weighing approximately 1.40 carats
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Emerald, White Gold

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

43.74 Ct Cushion-Cut Tanzanite & 4 Ct Diamond Ring in 14K White Gold Size 6.5
Located in New York, NY
gemstone. There are total of 4 carats of shimmering white brilliant cut round diamonds, this brilliant
Category

2010s Drop Necklaces

Materials

Diamond, Tanzanite, 14k Gold, White Gold

Sterling Silver 7MM Cushion Cut Amethyst Gemstone & Diamond Tennis Link Bracelet
Located in New York, NY
secure clasp. Total diamond weight is 1/20 ctw and each cushion cut amethyst measures 7x7 mm. Product
Category

21st Century and Contemporary Indian Contemporary Tennis Bracelets

Materials

Amethyst, Diamond, White Diamond, Silver, Sterling Silver

14K White Gold 20ct Aquamarine Cushion Cut w/ Diamond Halo Large Button Earrings
Located in Montclair, NJ
Diamonds - Round Brilliant Cut - Bezel Set - G-I Color - VS1-SI1 Clarity - 2.0ctw (approx.) Total Carat
Category

21st Century and Contemporary Stud Earrings

Materials

Aquamarine, Diamond, 14k 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

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

Hirsh Regal Cushion Cut Padparadscha Sapphire and Diamond Ring
Located in London, GB
A beautiful cushion cut 1.38 carat Padparadscha sapphire, set with a halo of diamonds in the Hirsh
Category

2010s British Artisan Engagement Rings

Materials

Padparadscha Sapphire , Pink Sapphire, Sapphire, Diamond, Platinum, Rose...

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

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

Art Deco Inspired 0.65 Carat Old Cut Diamond Sapphire Platinum Three Stone Ring
Located in Beverly Hills, CA
cushion cut diamond of approximately 0.30 carat, graded H color, VS clarity. Accented by two old mine cut
Category

2010s Unknown Three-Stone Rings

Materials

Diamond, Sapphire, Platinum

Large Cushion Cut Green Tourmaline and Diamond Halo Ring in 14 Karat Yellow Gold
Located in Scottsdale, AZ
Carat Weight: 10.73 carats Tourmaline Color: Green Diamond Count: 20 Diamond Cut: Round Brilliant
Category

21st Century and Contemporary Unknown Contemporary Cocktail Rings

Materials

Tourmaline, White Diamond, Diamond, Yellow Gold, 14k Gold, 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

8.70 Carat Cushion Sapphire and Diamond Cocktail Ring in 18 Karat White Gold
Located in Chicago, IL
14.39 X 10.70mm and has excellent transparency and luster. 20 scintillating round brilliant cut diamonds
Category

2010s American Contemporary Cocktail Rings

Materials

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

Certified Radiant Cut Diamond and Round Diamond Engagement Ring 18 Carat Gold
Located in Hamilton, AU
sparkling 0.90 carat certified radiant cut diamond, and embellished with petite round brilliant cut diamonds
Category

21st Century and Contemporary Australian Contemporary Engagement Rings

Materials

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

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

  • 1
Get Updated with New Arrivals
Save "20 Carat Cushion Cut Diamond", and we’ll notify you when there are new listings in this category.

20 Carat Cushion Cut Diamond For Sale on 1stDibs

You are likely to find exactly the 20 carat cushion cut diamond you’re looking for on 1stDibs, as there is a broad range for sale. Frequently made of Gold, Platinum and 18k Gold, this item was constructed with great care. In our selection of items, you can find a vintage example as well as a contemporary version. Finding the perfect 20 carat cushion cut diamond may mean sifting through those created during different time periods — you can find an early version that dates to the 19th Century and a newer variation that were made as recently as the 21st Century. For this particular accessory, there are many different carat weights to choose from, but 1 Carat and 1.5 Carat versions are of considerable interest. Finding an appealing 20 carat cushion cut diamond — no matter the origin — is easy, but Single Stone, Berca Atelier and Eva Soussana each produced a popular version that is worth a look. 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. When shopping for a 20 carat cushion cut diamond, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a 20 Carat Cushion Cut Diamond?

Prices for a 20 carat cushion cut diamond can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $600 and can go as high as $1,150,000, while this accessory, on average, fetches $14,673.